Page 1 01 November 2006 Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal of down- level versions is the responsibility of the document holder. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 2 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 3 01 November 2006 Warning: Printed copies of this document are considered current only on the date of print. Replacement and disposal of down- level versions is the responsibility of the document holder. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 4 This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the informa- tion herein; these changes will be incorporated in new editions of the publication. Hitachi may make improvements or changes in any products or programs described in this publication at any time.
Page 5: Table Of Contents
7.5 Hot plug/unplug .......................24 7.6 SCSI bus electrical characteristics ...................24 7.7 Auxiliary connector on 68-pin model ................25 7.8 Option jumper block ......................26 7.9 Jumper signal Description on 80 pin Jumper Block ............27 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 6 11.3.1 68 and 80 pin connectors ..................45 11.4 Mounting positions and tappings ...................46 11.5 Drive mounting ......................48 11.6 Heads unload and actuator lock ..................48 11.7 Breather hole........................48 12.0 Vibration and shock......................49 12.1 Operating vibration ......................49 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 7 17.7.10 Log Sense Page 10 ....................94 17.7.11 Log Sense Page 2F....................97 17.7.12 Log Sense Page 30 ....................98 17.7.13 Log Sense Page 37 ....................101 17.8 MODE SELECT (15) ....................103 17.9 MODE SELECT (55) ....................104 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 8 17.19.4 Physical Sector Format (101b) ................167 17.20 READ DEFECT DATA (B7) ..................168 17.20.1 Defect List Header ....................168 17.20.2 Defect List Descriptor..................169 17.20.3 Bytes from Index Format (100b) ................169 17.20.4 Physical Sector Format (101b) ................169 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 9 19.0 SCSI message system ......................209 19.1 Supported messages .......................210 19.1.1 Task Complete (00) ....................210 19.1.2 Synchronous Data Transfer Request (01, 03, 01h) ..........211 19.1.3 Wide Data Transfer Request (01, 02, 03h) ............215 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 10 20.3.5 Queue Full Status....................240 20.3.6 Device Behavior on Command Queuing ..............240 20.4 Command Reordering....................241 20.5 Concurrent I/O Process ....................241 20.6 Write Cache ........................241 20.7 Automatic Rewrite/Reallocate ..................242 20.8 Segmented Caching .......................244 20.8.1 Overview.......................244 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 11 21.2.9 RU: Field Replaceable Unit (Byte 14)..............281 21.2.10 Sense Key Specific (Byte 15 through 17)............281 21.2.11 Reserved (Byte 18 through 19) ................283 21.2.12 Vendor unique error information (Byte 20 through 23) ........283 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 12 21.2.13 Physical Error Record (Byte 24 thru 29) ............283 21.2.14 Reserved (Byte 30 through 31) ................283 22.0 Appendix. UEC list ......................285 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 13: List Of Tables
Table 40. Inquiry Data - EVPD = 1 (Page Code = 00h)..........70 Table 41. Inquiry Data - EVPD = 1 (Page Code = 03h)..........72 Table 42. Inquiry Data - EVPD = 1 (Page Code = 80h)..........74 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 14 Table 84. Page 0C (Notch Parameters)..............130 Table 85. Short (Port Control Parameters) Short Format .........132 Table 86. Page 19 (Port Control Parameters) Long Format ........133 Table 87. Margin Control Subpage................134 Table 88. Saved Training Configuration Subpage.............135 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 15 Table 129. Format of Reassign Blocks data ..............172 Table 130. RECEIVE DIAGNOSTIC RESULTS (1C) ..........173 Table 131. Receive Diagnostic Results page 0............173 Table 132. Receive Diagnostic Results Page 40............174 Table 133. Translated address ...................174 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 16 Table 177. Initiator Request/Target Response (DT_REQ = 1, IU_REQ = 1) ...218 Table 178. Initiator Request/Target Response (DT_REQ = 1, IU_REQ = 0) ...218 Table 179. Initiator Request/Target Response (DT_REQ = 0, IU_REQ = 0) ...218 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 17 Table 192. Log Only Errors ..................254 Table 193. Format of Sense Data................261 Table 194. Field Pointer Bytes ..................281 Table 195. Actual Retry Count ..................282 Table 196. Progress Indication ..................283 Table 197. Unit Error Codes list ................285 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 18 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 19: General
1.0 General 1.1 Introduction This document describes the specifications of the following Hitachi 3.5 inch SCSI drives. • HUS151414VL3600 (68-pin) • HUS151414VL3800 (80-pin) • HUS151473VL3600 (68-pin) • HUS151473VL3800 (80-pin) • HUS151436VL3600 (68-pin) • HUS151436VL3800 (80-pin) Note: The specifications in this document are subject to change without notice.
Page 20 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 21: Outline Of The Drive
• High level of integration of the electronics • Non head disk contact start stop • Spindle rotation of 15,000 RPM • Automatic actuator lock • PFA (SMART) • Glass substrate disks Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 22 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 23: Fixed-Disk Subsystem Description
Heads are moved out from the disks (unloaded) to protect the disk data during shipping, moving, or storage. At power down, the heads are automatically unloaded from over the disk area and the head actuator locking mechanism will secure the heads in the unload position. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 24 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 25: Drive Characteristics
1 - 256 Rotational speed 15,000 RPM Recording density 686 [Kbpi] (Max) Track density 90,000 [TPI] (average) Areal density 61.7 [Gb/sq. in] Data zone 24 for 147GB and 73GB, 20 for 36GB Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 26: Inquiry Information
Table 3: Product ID in INQUIRY Command Product ID Description HUS151436VL3600 36 GB, 68-pin HUS151436VL3800 36 GB, 80-pin HUS151473VL3600 73 GB, 68-pin HUS151473VL3800 73 GB, 80-pin HUS151414VL3600 147 GB, 68-pin HUS151414VL3800 147 GB, 80-pin Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 27: Worldwide Id - Block Assignment
Interface Values:380 = Ultra 320, 80 pin 360 = Ultra 320, 68 pin F20 = Fibre Channel, 2GB Note (1) - Additional block assignment will be issued as needed based on actual production volume Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 28: Cylinder Allocation
Note: All the above parameters contribute to drive performance. There are other parameters that contribute to the perfor- mance of the actual system. This specification tries to define the bare drive characteristics, not system throughput, which depends on the system and the application. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 29: Mechanical Positioning
= Maximum seek length = Seek length (1 to max) Tn.in = Inward measured seek time for an n track seek Tn.out = Outward measured seek time for an n track seek Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 30: Table 7. Full Stroke Seek Time
Full stroke seek is measured as the average of 1,000 full stroke seeks with a random head switch from both directions (inward and outward). 4.5.1.3 Average latency Table 8: Latency time Rotation Time for a revolution (ms) Average latency (ms) 15,000 RPM Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 31: Drive Ready Time
Instantaneous disk-buffer transfer rate is derived by: (Number of sectors on a track) x 512 x (revolutions/sec) • For this table, '1 MB / Sec' should be interpreted as 1,000,000 bytes per Second. • The number of sectors per track will vary because of the linear density recording. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 32: Buffering Operation (Read Ahead/Write Cache)
T = A + B + C + 16,777,216/D Where: T = Calculated time A = Command overhead (no cache hit) B = Average seek time C = Average latency D = Sustained disk-buffer transfer rate Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 33: Table 13. Random Access Performance (Sector Size 512 Byte Case)
An approximation for the time is: T = (A + B + C) * 4096 Where: T = Calculated time A = Command overhead (no cache hit) B = Average seek time C = Average latency Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 34 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 35: Data Integrity
Errors occurring with the drive are handled by the error recovery procedure. Errors that are uncorrectable after application of the error recovery procedures are reported to the host system as non-recover- able errors. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 36 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 37: Physical Format
Glist is prepared for 5000 LBAs. • Multiple reassignment of the same LBA does not increase the number of Glist entries. • A cylinder for spare sectors is prepared every 512 physical cylinders. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 38 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 39: Electrical Interface Specification
HDW-RB68124G connector, which is compatible with the specification of “Single Attachment for Small SCSI Disk Drives” SPI-4 document, Annex C. Power pin assignment of the 80-pin (SCA-2) model is shown in Section 7.2.2, “SCSI signal connector (80-pin SCA-2 model)” on page 23. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 40: Scsi Bus Connector
7.2 SCSI bus connector The Hitachi Ultrastar 15K147 has 68-pin models and 80-pin SCA-2 models. 7.2.1 SCSI signal connector (68-pin model) The pin assignments of the interface signals conform to SPI-4 as shown in the table below. Table 14: Table of signals (68-pin)
Page 41: Scsi Signal Connector (80-Pin Sca-2 Model)
Eight-bit devices that connect to the SCA-2 connector should have the following signals inactive (high): -DB(8), -DB(9), - DB(10), -DB(11), -DB(12), -DB(13), -DB(14), -DB(15), -DB(P1). All other signals shall be connected as defined. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 42: Scsi Cable
68-pin model is connected to the power supply of the SCSI bus. 7.6 SCSI bus electrical characteristics Refer to ANSI SPI-4 for bus electrical characteristics. Note: If the drive is connected to an HVD bus, the drive I/O will be permanently damaged. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 43: Auxiliary Connector On 68-Pin Model
Pin numbers 2, 4, 6, and 12 are reserved and should be open. • Pin #8 is for external LED cathode. Bit 3 Bit 2 SCSI ID Bit 1 Bit 0 12 10 (Reserved) (Reserved) (Reserved) Ground LED cathode (Reserved) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 44: Option Jumper Block
ID 1 ID 2 ID 3 Disable Auto Spin Delay Disable RSVD Disable RSVD Term mode Auto Spin Delay Spin 12 Parity Unit Power sec x ID, Attention else 6 sec x ID Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 45: Jumper Signal Description On 80 Pin Jumper Block
Delay Start ? 7.9.3 Force Single Ended Mode (position 7-8) If a jumper is installed, the drive functions as a single-ended mode drive. 7.9.4 Reserved (position 9-10) No connection should be made. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 46: Led Driver Out (Position 11-12)
LED Anode must be tied to the current limited +5V source provided at the Location #11 on J6 jumper block. The LED Cathode is then connected to pin #12 on J6 jumper block to complete the circuit. 7.9.6 Positions #13-14 No connection should be made. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 47: Jumper Signal Description On 68 Pin Jumper Block
Device ID is defined in the table below. In the table, "on" means a jumper is installed and "off" means that no jumper isin- stalled. Table 17: SCSI Device ID ID 3 ID 2 ID 1 ID 0 Device ID Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 48: Jumper Signal Description On 68 Pin Jumper Block (J6)
7.11.4 Disable Unit Attention (position 11-12) Installing a jumper enables control of UAI (Unit Attention Inhibit) bit in Mode Page 0. 7.11.5 Reserved (positions 9-10 and 13-14) No connection should be made. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 49: Environment
Note: The system must supply sufficient ventilation to maintain a surface temperature below 60ºC at the center of the drive top cover. Non-condensing conditions should be maintained at all times. Maximum storage period within shipping package is one year. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 50: Storage Requirements
Temperature ('C) 8.2 Storage requirements 8.2.1 Packaging The drive or option kit must be heat-sealed in a moisture barrier bag with dessiccant inside the bag supplied by Hitachi Global Storage Technologies. 8.2.2 Storage time Cumulative storage time in the package must not exceed one year. If a longer storage time is required, the drive must be repackaged with new desiccant or moved to a climatically controlled environment.
Page 51: Cooling Requirements
The drive may require forced air cooling to meet specified operating temperatures. Table 19: Maximum allowable module surface temperatures Module name Location Maximum allowable surface temperature MPU/HDC Integration module 95ºC DRAM 95ºC VCM & spindle driver 95ºC Channel module 95ºC Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 52 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 53: Dc Power Requirements
-8% of 12V voltage margin is acceptable during spin-up, but the drive ready time as specified in section 4.5.2 is not guar- anteed. CAUTION: To avoid damage to the drive electronics, power supply voltage spikes must not exceed 5.5V. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 54: Power Supply Current, Average, And Peak
Avg, 2KB Qd = 4 IOPS 0.69 1.03 15.79 Avg, 2KB, Qd=1 0.66 0.96 14.87 0.63 0.90 13.96 0.60 0.84 13.05 0.57 0.77 12.14 Table 22: Model 147GB: 5V Current during spinup Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 55: Table 23. Model 147Gb: 12V Current During Spinup
Table 23: Model 147GB: 12V Current during spinup Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 56: Ripple Voltage
The drive enclosure must not be used in the current return path of the drive power supply. The maximum common-mode noise current passing through the drive must Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 57: Power Consumption Efficiency Index
20 mA. 9.3 Power consumption efficiency index Table 27: Power consumption efficiency index Model 147GB model 73GB model 36GB model Power consumption efficiency index (W/GB) 0.08 0.12 0.23 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 58 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 59: Reliability
(Informational exceptions control)” on page 152. The warning is issued as sense data (Sense Key 01h, Code 0Bh, Qual 01h). The drive temperature is reported in Log Sense page 2F. Refer to Section 17.7.11, “Log Sense page 2F” on page 111. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 60 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 61: Mechanical Specifications
11.0 Mechanical specifications 11.1 Outline 11.1.0.1 68-pin connector model 11.1.0.2 80-pin connector model Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 62: Mechanical Dimensions
25.8 ± 0.3 Width [mm] 101.6 ± 0.25 Length [mm] 146.0 ± 0.6 Weight [grams - maximum] 147 GB model 758 grams 73 GB model 741 grams 36 GB model 736 grams Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 63: Interface Connector
11.3 Interface connector 11.3.1 68 and 80 pin connectors 11.3.1.1 Interface connector for 68-pin models 11.3.1.2 Interface connector for 80-pin models Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 64: Mounting Positions And Tappings
11.4 Mounting positions and tappings Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 65 11.4.0.1 Mounting positions and tappings Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 66: Drive Mounting
11.7 Breather hole The breather hole must be kept clear and unobstructed at all times. Do not cover the breather hole. 11.7.0.1 Breather hole location Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 67: Vibration And Shock
No data loss: 30G, 2 ms duration, half sinewave shock pulse The shock pulses of each level are applied to the drive, ten pulses for each direction and for all three mutually perpendicular Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 68: Non-Operating Shock
, 1 ms duration 20,000 radians/second , 2 ms duration The shock input is applied around the axis of the actuator pivot. The shock input does not displace the heads from the actuator latched position. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 69: Acoustics
Ns =average seek rate in seeks/sec where: Ns = 0.4 / (Tt + Tl) Tt = published random seek time Tl = time for the drive to rotate by half a revolution Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 70 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 71: Identification
The following labels are affixed to every hard disk drive shipped from the drive manufacturing location in accordance with appropriate hard disk drive assembly drawing: • A label containing Hitachi logo, Hitachi part number, and the statement “Made by Hitachi”, or Hitachi approved equivalent. •...
Page 72 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 73: Standards
- CS 1-9700-020 Eco-Product Design Requirement Hitachi GST encourages owners of information technology (IT) equipment to responsibly recycle their equipment when it is no longer needed. Hitachi GST offers a variety of programs and services to assist equipment owners in recycling their IT products.
Page 74 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 75: Electromagnetic Compatibility
EN 55024 • EN 61000-3-2 • EN 61000-3-3 • CNS 13438 Class B (Taiwan) • AS/NZS 3548 Class B (Australia, New Zealand) • MIC Notice No. 2000-94, RRL Notice No. 2000-71 (Korea) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 76 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 77: Scsi Command Set
RELEASE (57), page 176 A3h/05h REPORT DEVICE IDENTIFIER (A3), page 177 REPORT LUNS (A0), page 179 REQUEST SENSE (03), page 180 RESERVE (16), page 181 RESERVE (56), page 182 REZERO UNIT (01), page 183 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 78: Table 154. Synchronize Cache (35)
WRITE and VERIFY (2E), page 213 WRITE and VERIFY (16) - (8E), page 212 WRITE BUFFER (3B), page 200 WRITE LONG (3F), page 204 WRITE SAME (41), page 205 WRITE SAME (16) - (93), page 220 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 79: Scsi Control Byte
In this specification, where it is not explicitly stated, all multi-byte values are stored with the most significant byte first. For example, in a 4 byte field, byte 0 will contain the MSB and byte 3 the LSB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 80: Format Unit (04)
If the FmtData bit is set to zero, this field must also be zero. Otherwise the command will complete with a CHECK CONDITION with a sense key of Illegal Request and an additional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 81 To exit the degraded mode, another FORMAT UNIT command must be sent by the Initiator and com- pleted successfully by the Target. The FORMAT UNIT command sets the Unit Attention Condition for all Initiators except the one that issued the FOR- MAT UNIT command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 82: Defect List
Defect List Not Found if the first condition occurred or to Defect List Error if the second condi- tion occurred. • The Target cannot locate a required Dlist nor determine that the list exists. •The Target encounters an unrecoverable error while accessing a required Dlist. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 83: Defect Descriptor
If a Defective LBA entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 84: Table 35. Defect Descriptor - Bytes From Index Format (For N = 1 Defects)
If a Byte From Index entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 85: Table 36. Defect Descriptor - Physical Sector Format (For N + 1 Defects)
If a Physical Sector entry, when converted to a physical sector, is equal to the physical sector of a Plist entry and DPRY = 1, then the entry is not added to the Glist. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 86: Inquiry (12)
The Peripheral Qualifier field of zero (0) indicates that the peripheral device is currently connected to this logical unit. A Peripheral Device Type field of zero (0) indicates that this device is a Direct Access Storage Device (DASD). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 87: Inquiry Data
• HiSup bit of zero indicates the target does not use the hierarchical addressing model to assign LUNs to logical units. 1.If an INVALID LUN is specified, a Check Condition status will be returned for all commands except INQUIRY and REQUEST SENSE. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 88: Table 40. Inquiry Data - Evpd = 1 (Page Code = 00H)
• Link is set to zero to indicate that the Target does not support linked commands. • CmdQue is set to one to indicate that the drive supports command queuing. • Vendor ID is 'HITACHI' padded with ASCII blanks. • Product ID is specified in table 3 of section 4.3.1.
Page 89 • Page length specifies the length of the following page data. • Supported Page Code field contains the Page Codes supported by the Target. The list is in ascending order. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 90: Table 41. Inquiry Data - Evpd = 1 (Page Code = 03H)
• Page Code is set to the value of the page code field in the CDB. • Page Length field specifies the length (in bytes) of the vendor unique VPD information (bytes 4 - 163). If the allocation Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 91 • Code Mode is the type of code the drive is running. The least significant bit contains the following: 0 = OM_FLASH Drive is running flash code. 1 = OM_DISK Drive is running code loaded from disk. 3 = OM_TRANSIENT We are running downloaded code that isn’t saved. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 92: Table 42. Inquiry Data - Evpd = 1 (Page Code = 80H)
• Page Code is set to the value of the page code field in the CDB. • Page Length is set to 16, and this field specifies the length of the following page data. • Serial Number gives the drive serial number right aligned. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 93: Table 43. Inquiry Data - Evpd = 1 (Page Code = 83H)
• World Wide ID is 64-bit unique identification for each drive. The format is: 5000CCAh xxxh 11b n. where: xxx is 12-bit Block assignment defined for each model and manufacturing site. 11b indicates parallel SCSI. n is 22-bit drive unique serial number. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 94: Table 44. Inquiry Data - Evpd = 1 (Page Code = D1H)
If the media is not available, bytes 0 through 3 are valid. All the other fields are ASCII blanks (20h). Note: All ASCII fields are alphanumeric, left aligned, and padded on the right with ASCII blanks (20h). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 95: Table 45. Inquiry Data - Evpd = 1 (Page Code = D2H)
If the media is not available, bytes 0 through 3 are valid. All the other fields are ASCII blanks (20h). Note: All ASCII fields are alphanumeric, left aligned, and padded on the right with ASCII blanks (20h). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 96: Log Select (4C)
40h parameters that are supported). The Parameter List Length must be an integral of the number of parameters plus the 4 byte header. (Ex: Parameter length =104h for one parameter, 204h for 2 parameters,... 4004h for all 40h parameters). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 97 - Number of times recovery invoked - Total bytes verified - LBAs with hard error. • Page 06h parameters: (Counters for non medium errors, seek and other hardware type failures) - Non-Medium Error Counter Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 98 - Device Cache Partial Read Hits - Device Cache Write Hits - Device Cache Fast Writes - Device Cache Misses on Reads • Page 37h parameters: - Media PFA - Hardware PFA - Device Cache Read Misses Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 99: Log Sense (4D)
No bytes are transferred if the length is zero. This condition is not considered an error. TheTarget terminates the Data In phase when all available Log Sense data has been transferred or when the number of bytes equals the allocation length, whichever is less. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 100: Log
ASCII graphic code (20h - 7Eh). If the LP bit is 1 and the LBIN bit is 1, then the list parameter is a list of binary information. - LP The List Parameter bit is set to 0 for parameters that are data counters. The LP bit is set to 1 for parameters that are lists. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 101: Log Sense
Fifth supported page 06h Sixth supported page 0Dh Seventh supported page 0Eh Eighth supported page 0Fh Ninth supported page 10h Tenth supported page 2Fh Eleventh supported Page Code =30h Twelfth supported Page Code = 37h Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 102: Log Sense
Total errors recovered 52-53 Parameter Code = 0004h LBIN = DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 Parameter Length = 08h 56-63 Times recovery invoked Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 103: Table 50. Log Sense Page 2 (Part 2 Of 2)
Total bytes written 76-77 Parameter Code = 0006h LBIN DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 Parameter Length = 08h 80-87 Count of hard errors Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 104: Log Sense
Parameter Code = 04h LBIN DU = 0 DS = 0 TSD=0 ETC = 0 TMC = 0 LP = 0 Parameter Length = 08h 56-63 Times recovery invoked 64-65 Parameter Code = 05h Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 105: Table 52. Log Sense Page 3 (Part 2 Of 2)
As a consequence of this an error recovered by a single retry is not reported by the error counters. Additionally the drive does not report data recovered by ECC on the fly. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 106: Log Sense
DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 LBIN = 0 LP= 0 Parameter Length = 08h 56-63 Times recovery invoked 64-65 Parameter Code = 0005h Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 107: Table 54. Log Sense Page 5 (Part 2 Of 2)
ECC or a retry to recover the data. As a consequence of this an error recovered by a single retry is not reported by the error counters. Additionally the drive does not report data recovered by ECC on the fly. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 108: Log Sense
Reserved PageLength = 0Ch Parameter Code = 00h LBIN = DU = 0 DS = 0 TSD = 0 ETC = 0 TMC = 0 Parameter Length = 08h 8-15 Error count Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 109: Log Sense
Parameter Code 0001h DU = 0 DS = 1 TSD = 0 ETC = 0 TMC = 0 LBIN = 1 LP = 1 Parameter Length = 02h Reserved Reference Temperature (degrees Celsius) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 110: Log Sense
LOG SELECT command. The data is expected in numeric ASCII characters (30-39h) in the form YYYYWW. The accounting date specified by parameter code 0002h is a parameter that can be saved using the LOG SELECT command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 111: Log Sense
First parameter byte Last parameter byte Parameter code 0000h through 003Fh are supported. The values stored in the parameter bytes represent data sent to the device in a previous LOG SELECT command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 112: Log Sense
0001h. The parameter for the next most recent will be 0002h. • Function Code contains the content of the Function Code field in the SEND DIAGNOSTIC command that initiated this self-test. • Self-Test Results Value is described in the table below. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 113: Table 62. Log Sense Page 10, Self-Test Results
8h-Eh Reserved. The self-test is in progress. • Extended Segment Number This field identifies the number of the segment that failed during self-test. If no segment failed, this field will be 00h. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 114: Table 63. Log Sense Page 10, Extended Segment Number
See Section 17.34 “SEND DIAGNOSTIC (1D)” on page 186, for detailed listing of operations carried out by SEND DIAG- NOSTIC command and Power on Diagnostics. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 115: Log Sense Page 2F
ETC = 0 TMC = 0 LBIN = 1 LP = 1 Parameter Length = 04h SMART Sense Code Byte SMART Sense Qualifier Most Recent Temperature Reading Vendor HDA Temperature Trip Point Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 116: Log Sense
Device Cache Write Hits 40-43 Device Cache Fast Writes 44-47 Device Cache Read Misses 48-51 Reserved = 0 Page 30h returns performance counter information. This includes seek counters and buffer overrun/under run counters. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 117 • WRITE AND VERIFY (16) • WRITE SAME • WRITE SAME (16) • ZERO SEEKS The number of times no seek was required. The operation may have resulted in a head switch. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 118 The statistics reported by this page are lost on a self-initiated reset or when the Drive is powered off. Even though the DS field equals zero, the parameters on this page are not savable. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 119: Log Sense
The Number of PFA Occurrences field gives the number of PFA occurrences during the life of the drive and not the number of PFA events that have been reported. The number of reported PFA events may be less due to the settings of Mode Page Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 120 The Total Write Commands counter is incremented for each Write (6), Write (10), Write Verify, and Write Verify (16) com- mand received. The Flash Correction Count is incremented each time ECC correction is applied to data stored in Flash ROM. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 121: Mode Select (15)
If an Initiator sends a MODE SELECT command that changes any parameters that apply to other Initiators, the drive shall generate an unit attention condition for all Initiators except for the one that issued the MODE SELECT command. The drive shall set the additional sense code to Parameters Changed (2Ah). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 122: Mode Select (55)
The MODE SELECT (55) command provides a means for the Initiator to specify LUN or device parameters to the Target. See the MODE SELECT (15) command for a description of the fields in this command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 123: Mode Sense (1A)
Note: For a value field such as the buffer ratios of page 2 the bit field will not indicate the range of supported values but rather that the field is supported. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 124: Table 70. Page Code Usage
For other Mode Pages, this Subpage Code field must be zero. If this Subpage Code field is not zero for other Mode Pages, the command is terminated with a Check Condition status and available sense of Illegal Request/Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 125: Mode Parameter List
Table 72: Mode parameter header (10) Byte (MSB) Mode Data Length (LSB) Medium Type = 0 DPOFUA WP=0 Reserved=0 Reserved = 0 Reserved = 0 (MSB) Block Descriptor Length (= 0 or 8) (LSB) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 126 Note: DPOFUA is ignored during Mode Select command processing although the SCSI Standard states that it is reserved during Mode Select. Ignoring it allows the Mode Sense Parameter List for the byte containing this bit to be re-used as a Mode Select Parameter List. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 127: Table 73. Mode Parameter Block Descriptor
A FORMAT UNIT command is required to cause these parameters to become current only if the block length param- eter is different from the current block length. When used with the MODE SENSE command, the field is dependent on how the media is currently formatted. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 128: Table 74: Mode Parameter Page Format
The page length field specifies the length in bytes of the mode parameters that follow. If the Initiator does not set this value to the value that is returned for the page by the MODE SENSE command, the drive will terminate the command with Check Con- dition status. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 129: Mode Page 00 (Vendor Unique Parameters)
• CMDAC (Command Active) bit in conjunction with LED Mode bits determines if an LED on the drive is activated while commands are active. If CMDAC bit is one and LED Mode bits are zero, an LED driver is active when a com- mand is queued or executed. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 130 • Command Aging Limit This value controls the maximum time a command should wait in the command queue when the CAEN bit is set. Each unit of this timer is 50 ms. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 131 • FCERT (Format Certification) bit determines whether the certification step will be performed during a Format Unit command. FCERT bit set to 0 disables certification. FCERT bit set to 1 enables the certification step. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 132: Mode Page 01 (Read/Write Error Recovery Parameters)
If a servo field failure occurs, normal DRP could result in considerable recovery action, including proceeding through all levels of DRP. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 133 The value must be from 40 ms to 65535 ms (65.5 seconds). The granularity of the timer is 50 ms. If an LBA is not able to be recovered within the limit, a Check Condition will be returned. The Recovery Time Limit will not be applied when WCE=1. A value of zero disables the timer. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 134 Data transfer stops when an unrecoverable error is encountered. The unrecoverable block is not transferred to the Initiator. The drive then creates the Check Condition status with the appropri- ate sense key. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 135 LBA of the block in error. hard err Data transfer stops on the unrecoverable error. The unrecoverable error block is returned to the Initiator. The drive then creates the Check Condition status with the appropriate sense key. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 136 LBA of the block in error. hard err Data transfer stops on the unrecoverable error. The unrecoverable error block is returned to the Initiator. The drive then creates the Check Condition status with the appropriate sense key. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 137: Mode Page 02 (Disconnect/Reconnect Parameters)
Whether or not the drive does so depends upon the workload and the settings of the other parameters in this mode page. Note: Priority commands do not disconnect from the SCSI bus. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 138 0Ch there are separate Read Buffer Full Ratios and Write Buffer Empty Ratios. When the active notch is set to zero, the values are applied in mode page 0Ch across all notches. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 139: Mode Page 03 (Format Device Parameters)
12-13 (LSB) (MSB) Interleave = 0001h or 0000h 14-15 (LSB) (MSB) Track Skew Factor 16-17 (LSB) (MSB) Cylinder Skew Factor 18-19 (LSB) SSEC HSEC SURF RESERVED = 0 21-23 Reserved = 0 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 140 • RMB = Zero indicates that the media does not support removable Fixed Disk. • SURF = Zero indicates that progressive addresses are assigned to all logical blocks in a cylinder prior to allocating addresses within the next cylinder. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 141: Mode Page 04 (Rigid Disk Drive Geometry Parameters)
Medium Rotation Rate in RPM 20-21 (LSB) 22-23 Reserved = 0 The rigid disk drive geometric page specifies various parameters for the drive. • RPL = 0, Indicates that the drive does not support spindle synchronization. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 142: Mode Page 07 (Verify Error Recovery Parameters)
LBA during the verify operation. The value must be from 40 ms to 65535 ms (65.5 seconds). The granularity of the timer is 50 ms. If an LBA is not able to be recovered within the limit, a Check Condition will be returned. A value of zero disables the timer. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 143: Mode Page 08 (Caching Parameters)
• SIZE (Size Enable) bit when set to one indicates that the Cache Segment Size is to be used to control caching segmenta- tion. When SIZE is set to zero, the Initiator requests that the Number of Cache Segments is to be used to control cach- Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 144 • LBCSS (Logical Block Cache Segment Size) bit when set to one indicates that the Cache Segment Size field units shall be interpreted as logical blocks. When it is set to zero, the Cache Segment Size field units shall be interpreted as Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 145 LBCSS bit. The Cache Segment Size field is valid only when the SIZE bit is one. It is ignored when SIZE is set at zero. • Non Cache Segment Size is not supported and is ignored. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 146: Mode Page 0A (Control Mode
Any data integrity exposures related to command sequence order are explicitly handled by the Initiator through the selection of appropriate commands and queue tag messages. 2h-7h : RESERVED. 8 : Command reordering is disabled 9-Fh : RESERVED Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 147 • Extended Self-test Routine Completion Time is an advisory parameter that an Initiator may use to determine the time in seconds that the Target requires to complete self-test routine when the Target is not interrupted by an Initiator and no errors occur during execution of the self-test routine. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 148: Mode Page 0C (Notch Parameters)
1 is the outermost notch. Following mode parameters are based on the current active notch: •Mode Page 2 - Read Buffer Full Ratio - Write Buffer Empty Ratio Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 149 00h. If a bit is one, then the corresponding mode page contains parameters that may be dif- ferent for different notches. If a bit is zero, then the corresponding mode page contains parameters that are constant for all notches. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 150: Mode Page 19 (Port Control Parameters)
If after an ACK transition there are no outstanding REQs waiting for an ACK then stop the timer. • A value of 0000h in Synchronous Transfer Timeout indicates that the function is disabled. A value of FFFFh indi- cates an unlimited period. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 151: Table 86. Page 19 (Port Control Parameters) Long Format
- FFh: All supported subpages. • Page Length specifies the length in bytes of the subpage parameters after the Page Length. • Protocol Identifier has a value of 1h to indicate SPI SCSI devices. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 152: Table 87. Margin Control Subpage
The default value of each margin control field should be 0000b. The margin control fields indicate absolute conditions centered around their default values. The maximum supported setting for each field is 0111b and the minimum supported setting for each field is 1000b. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 153: Table 88. Saved Training Configuration Subpage
The saved training configuration values subpage is used to report the drive's saved training configuration values. These vendor specific values are maintained by the drive when the retain training information option is enabled. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 154: Table 89. Negotiated Settings Subpage
• Transceiver Mode specifies the current bus mode of the drive as defined below. - 00b: Not used - 01b: Single Ended - 10b: Low Voltage Differential - 11b: High Voltage Differential Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 155: Table 90. Report Transfer Capabilities Subpage
Maximum Transfer Width Exponent is set to the largest value of the Transfer Width Exponent supported by the drive which is 01h. • Protocol Options Bits Supported indicates the protocol options supported by the drive which is FFh. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 156: Mode Page 1A (Power Control)
• Standby Condition Timer field indicates the inactivity time in 100 millisecond increments that the Target shall wait before entering the Standby condition. The minimum allowable inactivity time is 60 minutes. Any value less than this is accepted, but will automatically default to 60 minutes. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 157: Mode Page 1C (Informational Exceptions Control)
5DFFh. The TEST bit of zero instructs the drive to stop generating any false drive notifications. • LOGERR (Log Errors) is not used and ignored internally by the Target. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 158 • Report Count field indicates the number of times the Target reports an informational exception condition. The Report Count of ZERO indicates no limits on the number of times the Target reports an informational exception condition. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 159: Mode Sense (5A)
The MODE SENSE (5A) command provides a means for the drive to report various device parameters to the Initiator. See the MODE SENSE (1A) command for a description of the fields in this command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 160 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 161: Persistent Reserve In (5E)
Condition status. The sense key is set to Illegal Request and the additional sense data is set to Invalid Field in CDB. Table 95: PERSISTENT RESERVE IN, Service Action Codes Code Name Descriptions Read Keys Reads all registered Reservation Keys Read Reservations Reads all current persistent reservations 02h-1Fh Reserved Reserved Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 162: Parameter Data For Read Keys
This shall not be considered an error. The Reservation Key list contains the 8-byte reservation keys for all Initiators that have registered through all ports with the Target. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 163: Parameter Data For Read Reservations
The format of the Reservation Descriptors is defined in the Persistent Reserve In Reservation Descriptor table (Table 103). There shall be a Reservation Descriptor for the persistent reservation, if any, present in the Target having a persistent reserva- tion. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 164: Table 98. Persistent Reserve In, Read Reservation Descriptor
14-15 Extent Length (LSB) • Scope-specific address is filled with 0. • Scope and Type are described in PERSISTENT RESERVE OUT command section. • Extent length is filled with 0. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 165: Persistent Reserve Out (5F)
Parameter List Length must be 18h. If not, the drive returns Check Condition status. And the sense key is set to Illegal Request and the additional sense data is set to Parameter List Length Error. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 166: Service Action
When PERSISTENT RESERVE OUT command with Register service action completes successfully, the Generation counter is incremented. When keys are registered, the drive returns Reservation Conflict status against the RESERVE command and the RELEASE command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 167 The key specified in the Reservation Key field is ignored, and the key specified in the Service Action Reservation Key field is registered as the new key, regardless of whether or not a key was already registered. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 168 Following the successful completion of the Register and Ignore Existing Key action, the Generation counter is incre- mented. When the keys are registered, the drive returns Reservation Conflict status for Reserve and Release commands. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 169: Scope
Write Exclusive Read Exclusive Exclusive Access Shared Access Write Exclusive Registrants Only Exclusive Access Registrants Only 7h-Fh Reserved READ command and READ (10) command WRITE command and WRITE (10) command Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 170: Table 103. Conflict Between New And Existing Persistent Reserve
Exclusive Access type and returns Reservation Conflict status. Table 103: Conflict between new and existing Persistent Reserve Existing Type New Type Write Exclusive (1) Exclusive Access (3) Write Exclusive Registrants Only (5) Exclusive Access Registrants Only (6) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 171: Parameter List
(1) Reserve apply verify ignore ignore ignore ignore (2) Release apply verify ignore ignore ignore ignore (5) Preempt and apply verify save ignore ignore ignore Abort Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 172: Table 106. Aptpl And Information Held By A Drive
Generation counter set to 0 set to 0 17.13.5.7 Generation counter The drive increments the Generation counter when Register service action or Preempt and Clear service action complete suc- cessfully. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 173: Pre-Fetch (34)
If the Immed bit is set to one, the drive returns a Check Condition status. The sense key shall be set to Illegal Request and the additional sense code shall be set to Invalid Field in CDB. • RelAdr Relative Block Address is not supported. Must be set to zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 174: Read (6) - (08)
Transfer length field specifies the number of blocks to be transferred. A value of zero implies 256 blocks are to be transferred. Note: Error recovery procedure (ERP) handles errors. The error recovery parameters specified by the MODE SELECT command control ERPs. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 175: Read (10) - (28)
If the transfer length is zero, no data is transferred. The CDB is validated and protocol checked and, if no problems are found, Good status is returned immediately. This condition is not considered an error. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 176: Read Buffer (3C)
Read Combined Header and Data 00010 Read Data 00011 Descriptor 01010 Read Data from Echo Buffer 01011 Echo Buffer Descriptor 11010 Enable Expander Communications Protocol and Echo Buffer All others Not supported Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 177: Combined Header And Data (Mode 00000B)
Allocation Length The drive terminates the DATA IN phase when allocation length bytes of data have been trans- ferred or when the header and all available data have been transferred to the Initiator, whichever is less. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 178: Descriptor (Mode 00011B)
The value contained in the Buffer Offset field of subsequent WRITE BUFFER and READ BUFFER commands should be a multiple of two to the power of the offset boundary. The offset boundary is always set to nine, which indicates Sector Bound- aries. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 179: Read Data From Echo Buffer (Mode 01010B)
SCSI target devices that receive a READ BUFFER command with this mode shall process it as if it were a READ BUFFER command with mode 01010b (see 17.17.4 Read Data from Echo Buffer). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 180: Read Capacity (25)
LBA fields in the CDB. This option provides the information that the Initiator needs to determine the amount of space available on the same track that is accessible without a head switch or seek. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 181: Table 115. Format Of Read Capacity Command Reply
Table 115: Format of READ CAPACITY command reply Byte (MSB) Maximum Logical Block Address (LSB) (MSB) Block Length (LSB) • Block Length specifies the length in bytes of the block. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 182: Read Defect Data (37)
The drive sends defect list (Defect Descriptors) in a 8-byte Absolute Block Address (ABA) format that follows a four byte Defect List Header. The Target will transfer all of the Read Defect Data up to the number of bytes allocated by the Initiator. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 183: Table 117. Defect List Format
The drive will terminate the Data In phase when the Allocation Length has been transferred or when all available Defect Data has been transferred to the Initiator, whichever is less. The Read Defect Data contains a 4-byte header followed by zero or more defect descriptors. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 184: Defect List Header
Defect List Format (MSB) Defect List length (LSB) 17.19.2 Defect List Descriptor Table 119: Defect List Descriptor Byte Defect List Descriptor Defect Descriptor 0 8n - Defect Descriptor n (8n+7) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 185: Bytes From Index Format (100B)
Recovered Error and the additional sense code set to Partial Defect List Transferred. The defect list length will be set to 0FFF8h, indicating the maximum number of defect descriptors that can be transferred. Defects beyond this number cannot be read by the Initiator. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 186: Read Defect Data (B7)
Defect List Format Reserved = 0 (MSB) Defect List length (LSB) (See Defect List Header for Read Defect Data (37) in Section Table 17.19.1, “Defect List Header,” on page 166 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 187: Defect List Descriptor
17.20.4 Physical Sector Format (101b) Table 126: Defect Descriptors of Physical Sector Format Byte Defect Descriptors (MSB) Cylinder Number of Defect (LSB) Head Number of Defect (MSB) Defective Sector Number (LSB) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 188: Read Long (3E)
= logical block size + 40 • RelAdr (Relative Block Address) is not supported by the drive. The data read by this command is neither read from nor retained in the cache. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 189: Reassign Blocks (07)
Upon successful completion of this command, the location of the physical sectors reassigned during the command are added to the Glist. The reassigned sectors are marked defective and cannot be accessed again until after a format operation discards the Glist. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 190: Table 129. Format Of Reassign Blocks Data
Defective Logical Block Address is four bytes in length. The Initiator can specify from 1 to 4 Defective Logical Block Addresses according to the Defect List Length from 4 to 16, respectively. The LBAs are not required to be in ascending order. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 191: Receive Diagnostics Results (1C)
Reserved = 0 Page Length = 02h (Supported Pages) Page = 0h Translate address page = 40h The supported diagnostic page returns a list of supported pages in ascending order. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 192: Receive Diagnostic Results
(bytes 6 to 9) of the page data. For a physical format it is as follows: Table 133: Translated address Byte Cylinder Number Head Number 10-13 Sector Number or Bytes from Index Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 193: Release (17)
3rd Party ID specifies the ID of the third party for which the LUN is reserved. (Refer to Section 17.29 “RESERVE (16)” on page 181.) • Extents must be 0. Extension is not supported by the drive. • Reservation Identification field is ignored. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 194: Release (57)
If the 3rdPty bit is zero, then the third-party release option is not requested. If the 3rdPty bit is one, then the Target releases the LUN, but only if the reservation was made using the third-party reservation option and the 3rd Party ID is the ID of the Initia- tor that made the reservation Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 195: Report Device Identifier (A3)
ALLOCATION LENGTH field large enough to contain all the data. The REPORT DEVICE IDENTIFIER parameter list contains a 4-byte field that contains the length in bytes of the parameter list and the logical unit's identifier. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 196: Table 137. Report Device Identifier Parameter List
The sense key is set to Not Ready and the additional sense data is set as described in the TEST UNIT READY command. This information should allow the application client to determine the action required to cause the device server to become ready. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 197: Report Luns (A0)
The LUN list length shall contain the length in bytes of the LUN list that is available to be transferred. This product only sup- ports one LUN. Therefore, the LUN list length must be set to 8. The only supported LUN is zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 198: Request Sense (03)
The contents of the sense data are defined in Section 21.1 “SCSI Sense Data Format” on page 295. 1.A nexus which exists between an initiator, a target, and a logical unit. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 199: Reserve (16)
• Extents must be 0. Extension is not supported by the drive. • Reservation Identification is ignored. • Extent List length must be zero. Extent List length is not supported. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 200: Reserve (56)
Reservation queuing is not supported by the drive. If a LUN is reserved and a RESERVE command is issued from a different Initiator, the Target responds with a RESERVATION CONFLICT. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 201: Rezero Unit (01)
Command Code = 01h Reserved = 0 Reserved = 0 Reserved = 0 VU = 0 Reserved = 0 FLAG LINK The REZERO UNIT command requests that the Target seek LBA 0. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 202: Seek (6) - (0B)
The SEEK (6) command requests the drive to seek the specified LBA. If the LBA is greater than the value returned by the READ CAPACITY command, the Drive returns a Check Condition status with a sense key of Illegal Request and an addi- tional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 203: Seek (10) - (2B)
The SEEK (10) command requests the drive to seek the specified LBA. If the LBA is greater than the value returned by the READ CAPACITY command, the Drive returns a Check Condition status with a sense key of Illegal Request and an addi- tional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 204: Send Diagnostic (1D)
SlfTst set to one indicates that the device performs its default self-test. If SlfTst is one, the Function code field is ignored. If SlfTst is set to zero, the action to perform is specified in Function code field. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 205: Table 147. Send Diagnostic Function Code (1D)
LOG SENSE command. See Section 20.17 “Diagnostics” on page 246, for detailed listing of operations carried out by SEND DIAGNOSTIC command and Power on Diagnostics. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 206: Send Diagnostic
Bytes from Index or Physical Sector format, the Translate format must be Block format. If either of the format fields is invalid or they specify the same format, the command will terminate with Check Condition status with a sense code of Illegal Request and Illegal Field in Parameter List. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 207: Table 150. Address To Translate
(bytes 6 to 9) contain the LBA and the remainder must be zero. For the physical format the address must be specified as follows. Table 150: Address to translate Byte Cylinder Number Head Number 10-13 Sector Number or Bytes from Index Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 208: Set Device Identifier (A4)
The SET DEVICE IDENTIFIER parameter list contains the identifier to be set by the addressed logical unit. Table 152: SET DEVICE IDENTIFIER, Parameter List Byte Identifier The IDENTIFIER field is a vendor specific value, to be returned in subsequent REPORT DEVICE IDENTIFIER commands. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 209: Start Stop Unit (1B)
Once the drive has become ready (after a power on), the START STOP UNIT command can be used without any errors regardless of the state of the motor: stopped or spinning. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 210: Synchronize Cache (35)
RelAdr (Relative Address) must be zero. The drive does not support the relative addressing. If the RelAdr bit is set to one, the drive returns Check Condition status. The sense key shall be set to Illegal Request and the additional sense code shall be set to Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 211: Test Unit Ready (00)
TEST UNIT READY, INQUIRY, or REQUEST SENSE command until the Power On sequence is complete. The drive will return Check Condition status with Not Ready sense key and In Process of Becoming Ready sense code for all other com- mands during the Power On period. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 212: Verify (2F)
The data (if any) from the data-out phase and the data from the media are not retained in the cache. Therefore, the DPO bit has no effect on this command and is ignored. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 213: Verify (16) - (8F)
The VERIFY command requests that the drive verify the data written on the media. A verification length of zero indicates that no data will be transferred. This condition is not considered an error. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 214: Write (6) - (0A)
The WRITE command requests the drive to write the specified number of blocks of data (Transfer Length) from the Initiator to the medium starting at the specified Logical Block Address (LBA). See Section 17.15 “READ (6) - (08)” on page 156 for the parameters. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 215: Write (10) - (2A)
A FUA bit of zero indicates that the Target may return Good status prior to writing the data to the media. • RelAdr (Relative Block Address) is not supported. Must be set to zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 216: Write And Verify (16) - (8E)
FLAG LINK The WRITE AND VERIFY command requests that the drive write the data transferred from the Initiator to the medium and then verify that the data is correctly written. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 217: Write And Verify (2E)
The Initiator should set the DPO bit when the blocks written by this command are not likely to be read again in the near future. • RelAdr (Relative Block Address) is not supported. Must be set to zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 218: Write Buffer (3B)
If any values other than shown above are specified, Check Condition status is returned with a sense key of Illegal Request and additional sense code of Invalid Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 219: Combined Header And Data (Mode 00000B)
If an invalid value is specified, the command is terminated with Check Condition status. And the drive shall set the sense key to Illegal Request and additional sense code to Illegal Field In CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 220: Download Microcode (Mode 00100B)
Any other value for the Buffer ID will cause the command to terminate with Check Condition status. The drive shall set the sense key to Illegal Request and additional sense code to Illegal Field in CDB. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 221: Download Microprocessor Microcode And Save (Mode 00111B) - Multiple Binary Files
17.45.7 Enable Expander Communications Protocol (Mode 11010b) In this mode the drive behavior is the same as Write Data to Echo Buffer (Mode 0101b). Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 222: Write Long (3F)
The valid and ILI bits are set to one and the information field is set to the difference of the requested length minus the actual length in bytes. Negative values are indicated by two's complement notation. • RelAdr (Relative Block Address) is not supported. Must be set to zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 223: Write Same (41)
• RelAdr (Relative Block Address) is not supported and must be set to be zero. The data for this command is not retained in the cache. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 224: Write Same (16) - (93)
The Write Same command instructs the Target to write a single block of data transferred to the Target from the Initiator to a number of sequential logical blocks. This command is useful for writing large data areas without sending all of the data over the SCSI bus. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification Hitachi Confidential...
Page 225: Scsi Status Byte
This status indicates that the target's command queue is full. If a tagged command queuing feature is enabled and there is no room on the command queue, this status is returned when the initiator sends a command. For this status, sense data are not valid. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 226 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 227: Scsi Message System
19.0 SCSI message system This chapter details how the message system is implemented on the drive. Included is a functional description of the supported messages. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 228: Supported Messages
The drive sends this message to the Initiator to indicate that the execution of a command has been terminated and that valid status has been sent to the Initiator. After successfully sending this message the drive releases all bus signals and goes to BUS FREE phase. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 229: Synchronous Data Transfer Request (01, 03, 01H)
If ATN is negated before all bytes of a multiple-byte extended message is received, the drive will go to BUS FREE to signal a catastrophic error. 19.1.2.1 Synchronous Negotiation started by the Initiator When the Target responds with REQ/ACK offset value of 0, the Initiator shall use asynchronous data transfer mode. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 230: Table 169. Initiator Request/Target Response (Lvd Mode)
375.00 2.67 94 <= Mi <= 100 Mt = Mi 400.00 2.50 101 <= Mi <= 106 Mt = Mi 425.00 2.35 107 <= Mi <= 255 Mt = 106 (Asynch mode) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 231: Table 170. Initiator Request/Target Response (Se Mode)
375.00 2.67 94 <= Mi <= 100 Mt = Mi 400.00 2.50 101 <= Mi <= 106 Mt = Mi 425.00 2.35 107 <= Mi <= 255 Mt = 106 (Asynch mode) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 232: Table 171. Target Response To Initiator's Transfer Period (Lvd Mode)
82 <= Mi <= 87 2.86 88 <= Mi <= 93 2.67 94 <= Mi <= 100 2.50 101 <= Mi <= 106 2.35 107 <= Mi <= 255 Send Message Reject (Asynch mode) N/A Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 233: Wide Data Transfer Request (01, 02, 03H)
The implied data transfer width agreement remains in effect until the Target is Reset (Power-on Reset, SCSI Bus Hard Reset, or Target Reset message) or a new data transfer width agreement is negotiated. If a Reset occurs, the Target goes to eight bit mode. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 234: Table 173. Wide Data Transfer Request
If the Initiator does assert the ATN signal, the Target changes to the Message Out phase and receives a message from the Initiator. If the first message received is a Wide Data Transfer Request message, the Target establishes the new data transfer mode. The Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 235: Parallel Protocol Request (01, 06, 04H)
Reserved = 00h REQ/ACK Offset Transfer Width Exponent PCOMP_EN RTI RD_STRM WR_FLOW HOLD_MCS QAS_REQ DT_REQ IU_REQ PARALLEL PROTOCOL REQUEST messages are used to negotiate a synchronous data transfer agreement and a wide data Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 236: Table 177. Initiator Request/Target Response (Dt_Req = 1, Iu_Req = 1)
Transfer Wide Exponent defines the transfer width to be used during DATA IN and DATA OUT phases. If any of the protocol options bits other than QAS_REQ are set to one, then only wide transfer agreements are valid. The following values are supported. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 237: Save Data Pointer (02)
The data pointer should be restored to the value at the beginning of the data area in the absence of a SAVE DATA POINTER message or to the value at the point at which the last SAVE DATA POINTER message occurred. Refer to Section Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 238: Disconnect (04)
The subsequent MESSAGE OUT phase shall begin with the first byte of a message 19.1.11 No Operation (08) This message is sent from the Initiator to the drive when the Initiator does not currently have any other valid message to send. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 239: Message Parity Error (09)
Initiator. This message forces a reset similar to the Target Reset message, with the exception that initiator negotiated parameters (like interfaces speed and related options) are not reset, but are preserved. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 240: Queue Tag Messages (20H, 21H, 22H)
ACK handshake of a DATA IN phase is less than the negotiated transfer width. The ignore field (always = 01h) indicates that one byte (data bits 8-15) should be ignored. This message is sent immediately after the DATA IN phase and prior to any other Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 241: Identify (80 - Ff)
LUN remains the same. When the IDENTIFY message is sent from the drive to the Initiator during reconnection, an implied RESTORE POINTERS message must be performed by the Initiator. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 242: Supported Message Functions
- If the Initiator rejects the DISCONNECT message, the drive will not disconnect but may attempt to disconnect at a later time. This function may be used to selectively disable disconnection during portions of a command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 243: Attention Condition
1. The drive receives an illegal or inappropriate message and goes to the MESSAGE IN phase to send a MESSAGE REJECT message. 2. The drive detects a catastrophic error condition and goes to the BUS FREE phase. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 244 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 245: Additional Information
In response to a REQUEST SENSE command the target shall return sense data. The sense key shall be set to ILLEGAL REQUEST and the additional sense code shall be set to LOGICAL UNIT NOT SUP- PORTED. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 246: Incorrect Initiator Connection
(See Section 20.5, “Concur- rent I/O Process” on page 241) • the command is added to the command queue for an I_T_L nexus if all the following conditions exist: Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 247 I/O process. This occurs if command execution is prevented at the time the command is dequeued by another internal Target condition listed in Section 20.1.1, “Priority of SCSI Status Byte Reporting” on page 227. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 248: Unit Attention Condition
ALL OTHER The drive executes the command with Good status and clears the unit attention condition, unless another unit attention condition exists. The sense data for the unit attention condition is then lost. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 249: Command Processing During Startup And Format Operations
Execution of a Format Unit command with the immediate bit of one ends with an error. • Execution of a Write command with WCE (Write Cache Enable) bit of one ends with an error. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 250: Degraded Mode
ASC/ASCQ 0400h (Start Spindle Motor Fail) - Self Configuration Failure: Check Condition with Sense Key 02h (Not Ready) ASC/ASCQ 4080h (Diag Fail- Bring up Fail) Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM Code NOT load) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 251 Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0402h (Initialize Command Required) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 252: Table 184. Spindle Motor Degraded Mode - Auto Start Delay/Spinning Up
Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM Code NOT load) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0401h (In Process of Becoming Ready) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 253: Table 185. Spindle Motor Degraded Mode - Spindle Start Failure
Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0400h (Start Spindle Motor Fail) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 254 Executed. Good Status is returned. Motor Degraded Mode is NOT cleared (Stop) Other Commands Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 0402h (Initialize Command Required) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 255: Table 187. Self Configuration Failure Degraded Mode
Not Executed. Check Condition Status is returned with Sense Key 02h (Not Ready) ASC/ASCQ 4080h (Diag Fail- Bring up Fail) Other Commands Sense Key 02h (Not Ready) ASC/ASCQ 4085h (Diag Fail-RAM code NOT load) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 256: Table 188. Format Command Failure Degraded Mode
NOT cleared. Other Commands Not Executed. Check Condition Status is returned with Sense Key 03h (Medium Error) ASC/ASCQ 3100h (Format Corrupted) Note: Mode Page 0 byte 5 bit 4 (FDD) = 0 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 257: Command Processing While Reserved
These commands are never queued whether or not the command is sent with a queue tag. However, the rule for an Incorrect Initiator Connection still apply to priority commands. See Section 20.1.3, “Incorrect Initiator Connection” on page 228. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 258: Command Queuing
Incorrect Initiator Connection will not cause Queue Full status. 20.3.6 Device Behavior on Command Queuing 1. Initiators must send a Queue tag immediately after the Identify message in Message Out phase just after Selection. Tar- Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 259: Command Reordering
If the drive detects an error after it returns a Good Status, the drive sets a Deferred Error (Error Code of sense data = 71h) and a following command will be returned with Check Condition and the Contingent allegiance condition is established. Under the Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 260: Automatic Rewrite/Reallocate
Read(6) • Read(10) • Verify • Verify Portion of Write and Verify For all other commands the ARRE setting is ignored and the target will not automatically rewrite/ reallocate or recommend rewrite/reassign. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 261: Table 189. Sense Data Combinations With Auto/Recommend Rewrite/Reallocate
Recovered Data without ECC - Data Rewritten Recovered Data with ECC Recovered Data with ECC - Auto Reallocated Recovered Data with ECC - Recommend Reassign Recovered Data with ECC - Data Rewritten Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 262: Segmented Caching
Single Initiator Selection with only one ID bit present during selection. The initiator must not send an Identify message with the disconnect permission bit(6) on. 20.12 Non-arbitrating systems The Target cannot detect whether other SCSI devices on the SCSI bus use arbitration prior to selection. As a consequence the Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 263: Selection Without Atn
After a reset condition is detected and the reset actions completed, the target returns to a 'SCSI bus enabled' state that allows the target to accept SCSI commands. This device uses the Hard reset option as defined in the SCSI-3 standard. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 264: Reset Sources
2. RAM test for internal RAM 3. Test and Initialize HDC registers 4. RAM test for Sector Buffer 5. Start Spindle Motor (if Auto spin up enable) 6. Calibration of Actuator 7. Read/Write test for all Heads Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 265: Self-Test Via Send Diagnostic Command
When the drive receives a SEND DIAGNOSTIC command specifying a self-test to be performed in the background mode, the drive will return status for that command as soon as the command descriptor block has been validated. After returning status Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 266: Table 190. Short And Extended Self-Test Description
Perform SMART testing and check results to ensure that SMART threshold criteria are not exceeded Low Level Format check Check to insure that the media is currently not in the MEDIA FORMAT CORRUPTED state. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 267 - Verify First Verify all Sequential verify operation. Ensure that no uncorrect- 300MB LBA’s able errors occur within the verify range. - Verify Last 100 MB Recheck SMART Same as segment 3h. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 268: Idle Time Function
A time-out of one minute or more is recommended but NOT required. The larger system time-out limit allows the system to take advantage of the extensive ERP/DRP that the drive may attempt in order to successfully complete the startup sequence. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 269: Medium Access Command Time
The command time-out for a command that is not located at the head of the command queue should be increased by the sum of command time-outs for all of the commands that are performed before it is. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 270: Recommended Initiator Erp
The first priority is to replace the entire drive to make the system operational with minimal service time. The service rep- resentative should: 1. Back up all the customer data on this drive if possible 2. Replace the complete drive 3. Restore the customer data 4. Return the drive to customer service Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 271: Recommendations For System Error Log
Failure of the system to properly relocate defective media sites can have a direct influence on system throughput and drive error rates. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 272: Table 191. Recommend Reassign Errors
Recovered Data without ECC - Auto Reallocated Recovered Data without ECC - Data Rewritten Recovered Data with ECC Recovered Data with ECC - Auto Reallocated Recovered Data with ECC - Data Rewritten Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 273: Nondata Error Recovery Procedure
If the retry of the failing command completes with Recovered sense or Hardware error sense, then service the drive using the service guideline recommended in Section 20.20.1, “Drive Service Strategy” on page 252. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 274 Recovery for a failed power up sequence is achieved in one of the following ways: Issuing a Unit start (1B) command Power cycling the drive. If the failure repeats, service the drive using the service guideline recommended in Section 20.20.1, “Drive Service Strategy” on page 252. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 275 Sense Key = B (Aborted Command) with Additional Sense Code of 44 or 48 are drive caused abort conditions. The initiator should: 1. Retry the failing command. 2. If the retry of the failing command completes with Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 276 A Set Device Identifier (A4) command successfully completed. This means that the Set Device Identifier information field has been updated. (See 17.35, “SET DEVICE IDENTIFIER (A4)” on page 190) A Unit Attention Condition is reported to all ini- tiators excluding the initiator that issued the Set Device Identifier command. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 277 1/1C/01 or 1/1C/02, the requested defect list is not in the format that the Drive supports. The requested defect list is returned in the physical (cylinder, sector, head) format. This is the default format. There is no initiator action required for this condition. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 278: Predictive Failure Analysis
Service for this drive can be deferred. The longer service is deferred, the more probable a failure can occur that will require immediate service. If more than this drive is experiencing error activity, the drive is probably not at fault. Locate and service the outside source causing error activity on this drive. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 279: Scsi Sense Data
Additional Sense Code Qualifier FRU = 0 SKSV Sense-Key Specific Bits 16-17 Sense-Key Specific Bytes 18-19 Reserved = 0 20-23 Vendor unique Error information 24-29 Product Specific Information 30-31 Reserved = 0 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 280: Sense Data Description
Incorrect Length Indicated. Command = Read Long or Write Valid Description Long? No incorrect length condition Requested Logical block Length does not match the logical block length of the data on the disk Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 281: Sense Key (Bit 3 - 0 Of Byte 2)
Indicates that the drive entered in the 'Unit Attention Condition'. (See Section 21.6.5, “Unit Attention Condi- tion” on page 288) Data Protect Not used Vendor Specific Not used Aborted command The drive aborted the command. Ch-Dh Not Implemented Miscompare Reserved Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 282: Information Bytes (Byte 3 Through 6)
Indicates the remaining number of bytes in the sense data. (It is always set to 18h.) 21.2.7 Command Specific Information (Byte 8 through 11) The values in this field vary with products. Please see the individual product specification for more details. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 283: Additional Sense Code/Qualifier (Byte 12 And 13)
173D Recovered sector miss 17B2 Recovered abort window error Data Synchronization Mark Error 173B Recovered data address mark error Data Sync Error - Data Rewritten E70E Recovered Data Address Mark error - rewritten Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 284 E726 Recovered thermal asperity with offline correction - recommend rewrite Recovered Data With ECC - Data Rewritten E70D Media error with offline correction - rewritten E727 Recovered thermal asperity with offline correction - rewritten Defect List Format Not Supported Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 285 1411 Servo: Recovered Gain BEMF Calibration error 1413 Servo: Recovered VOFF BEMF calibration error 1415 Servo: Recovered Invalid temperature 1417 Servo: Recovered Truncated rezero 1419 Servo: Recovered Heads not loaded 1425 Servo: Recovered KT Seek out of range Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 286 178A Recovered AE invalid head address error 178C Recovered AE power supply error 178E Recovered AE open write head error 1790 Recovered AE write transition error 1792 Recovered AE no write head current error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 287 F133 BATS error: Vendor ID mismatch Medium Format Corrupted - Reassign Failed 1506 Reassign failed Format Command Failed 1507 Format failed Enclosure Services Not Available 1508 Enclosure services not available (FC-AL only) Sense Key = Medium Error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 288 F715 Unrecovered sector overflow F73E Unrecovered sector miss F7B3 Unrecovered abort window error Data Synchronization Mark Error F73C Unrecovered data address mark error Defect List Error in Primary List F74B Primary defect list error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 289 Enclosure Services Failure - Enclosure Services Refused 1554 ESI: transfer refused - write ack 1555 ESI: transfer refused - read ack 1556 ESI: transfer refused - write ready 1557 ESI: transfer refused - read ready Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 290 F120 BATS error: Code compatibility failure F121 BATS error: Code download in progress F122 BATS error: Performance data read error F125 BATS error: Invalid RID/FID F126 BATS error: Code checksum error F127 BATS error: Invalid header Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 291 F412 Servo: Unrecovered Gain BEMF Calibration error F414 Servo: Unrecovered VOFF BEMF calibration error F416 Servo: Unrecovered Invalid temperature F418 Servo: Unrecovered Truncated rezero F41A Servo: Unrecovered Heads not loaded F426 Servo: Unrecovered KT Seek out of range Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 292 F783 Unrecovered AE IC over temperature error F785 Unrecovered AE IP clock count error F787 Unrecovered AE high MR current error F789 Unrecovered AE write data BLS error F78B Unrecovered AE invalid head address error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 293 150E Illegal request - invalid field in parameter list 150F Saved parameter not supported 1510 Unsupported log page Invalid Release of Active Persistent Reservation 1538 Invalid release of persistent reservation 1540 Invalid release of persistent reservation Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 294 151E Reservations pre-empted Reservations Released 151F Reservations released Registrations Released 1520 Registrations pre-empted Commands Cleared by Another Initiator 1521 Commands cleared by another initiator Microcode has been changed 1522 Microcode changed Inquiry Parameters Changed Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 295 F776 DASH done timeout F777 DASH unknown timeout F77D Recovery timeout F7A5 Channel: course tune timeout F7B1 Overall command timeout Select or Reselect Failure 152F Selection reselection error (SCSI only) SCSI Parity Error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 296 153E Data phase error (FC-AL only) Overlapped Commands Attempted 1534 Overlapped command attempted Command Aborted Due To Loop Initialization 153F Abort by LIP (FC-AL only) Sense Key = Miscompare Miscompare During Verify Operation 1535 Miscompare during verify Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 297 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 298 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 299: Ru: Field Replaceable Unit (Byte 14)
When a mul- tiple byte field id is in error, the pointer points to the most significant byte of that field. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 300: Table 195. Actual Retry Count
21.2.10.3 Sense Key Specific - Not Ready (Sense key = 2h) These fields are defined for the Format unit (04h) command with the Immediate bit set to one and the Send Diagnostic (1Dh) command with Background self-test function. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 301: Reserved (Byte 18 Through 19)
0FFFFFFFFFFFFh for Valid = 0 and ILI = 0. This Physical Error Record field is valid for Sense Key 1, 3, and 4 only. Valid Description Cylinder Number (bytes 24-26) Head number (byte 27) Sector Number (bytes 28-29) 0x000000000000 0x000000000000 - (not used/invalid) 21.2.14 Reserved (Byte 30 through 31) Reserved fields are filled with zero. Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 302 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 303: Table 197. Unit Error Codes List
The list of Unit Error Codes and descriptions does not have a direct correlation to the error descriptions and Sense Key/Code/ Qualifier descriptions in Section 21.0, “SCSI Sense Data” on page 261. These codes are used internally by Hitachi and may change without notice.
Page 304 No spares available 1301 Motor: Recovered internal error F302 Motor: Unrecovered internal error 1303 Motor: Recovered Open Loop Commutation failure F304 Motor: Unrecovered Open Loop Commutation failure 1305 Motor: Recovered No feedback detected error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 305 Servo: Unrecovered Heads not loaded 141B Servo: Recovered No seek complete F41C Servo: Unrecovered No seek complete 141D Servo: Recovered Seek timeout F41E Servo: Unrecovered Seek timeout 141F Servo: Recovered Seek error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 306 1518 Bus device reset (SCSI only) 1519 Self initiated reset 151A Tranceiver changed to single-ended (SCSI only) 151B Tranceiver changed to LVD (SCSI only) 151C Mode parameters changed 151D Log parameters changed Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 307 1542 SPC buffer not allocated 1543 IU SCSI CRC error 1544 Echo buffer overwritten 1545 Formatted with No P-List 154A Xfer Ready credit exceeded (FC-AL only) 154B Transfer length error (FC-AL only) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 308 Recovered ECC error F713 Unrecovered ECC error 1714 Recovered sector overflow F715 Unrecovered sector overflow 1716 Recovered overrun F717 Unrecovered overrun 1718 Recovered abort immediate F719 Unrecovered abort immediate 171A Recovered ECC overrun Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 309 Recovered sector miss F73E Unrecovered sector miss 173F Recovered channel error F740 Unrecovered channel error 1741 Recovered write parity error F742 Unrecovered write parity error 1743 Recovered media error F744 Unrecovered media error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 310 Recovered data with write or pre-TA detection F76B Unrecovered data with write or pre-TA detection 176C Recovered data with pre-SMM or VM or STM or DDF F76D Unrecovered data with pre-SMM or VM or STM or DDF Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 311 Unrecovered AE no write head current error 1794 Recovered ECC error timeout F795 Unrecovered ECC error timeout 1798 Recovered ID not found error F799 Unrecovered ID not found error 179A Recovered Channel Pre-TA error Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 312 SMART: Spin up retry count warning (recovered sense) 3A5B SMART: Spin up retry count warning (unit attn sense) 1AFF SMART: Test warning (no sense) 2AFF SMART: Test warning (recovered sense) 3AFF SMART: Test warning (unit attn sense) Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 313 Description FCxx Unable to read RID or FID number xx Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 314 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 315 Command Time out Limits ............250 Concurrent I/O Process ...............241 Contingent Allegiance Condition ..........245 Control Electronics ..............5 Cooling requirements ..............33 Corrosion test ................32 Cylinder allocation ..............10 Data Error Logging ..............254 Data Integrity ................17 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 316 Formatted capacity ..............7 Full stroke seek time ..............11 General ..................1 Glossary ..................1 Grown Defect List (Glist) ............164 Head Disk Assembly ..............5 Head Offset Count ..............115 Heads unload and actuator lock ..........48 Identification ................53 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 317 Multiple Initiator Environment ...........245 multiple initiator systems ............244 Non-arbitrating systems ..............244 Non-operating shock ..............50 Operating conditions ..............31 Operating shock ................49 Operating vibration ..............49 Option jumper block ..............26 Outline ..................43 Outline of the drive ..............3 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 318 READ DEFECT DATA (B7) .............168 READ LONG command .............170 Read Retry Count ................115 REASSIGN BLOCKS (07) ............171 Reassigned format (Glist) ............19 RECEIVE DIAGNOSTICS (1C) ..........173 Recommended Initiator ERP ............252 RELEASE (17) ................175 RELEASE (57) ................176 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 319 Shipped format (Plist) ..............19 Shipping conditions ..............31 Single Initiator Selection ............244 Size Enable .................125 Sound power levels ..............51 Spindle stop time ................13 START STOP UNIT (1B) ............191 Start/stop cycles ................41 Storage requirements ..............32 Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 320 WRITE BUFFER (3B) ...............200 Write Buffer Empty Ratio ............119 Write Cache ................241 Write Cache Enable ..............126 WRITE LONG (3F) ..............204 Write Retention Priority ..............126 Write Retry Count ...............115 WRITE SAME (41) ..............205 zero seeks ..................99 HItachi Ultrastar 15K147 SCSI Hard Disk Drive Specification...
Page 321 References in this publication to Hitachi Global Storage Technologies products, programs or services do not imply that Hitachi Global Storage Technologies intends to make these available in all countries in which Hitachi Global Storage Technologies operates. Product information is provided for information pur- poses only and does not constitute a warranty.

This manual is also suitable for:

Ultrastar 15k147 Hus151414vl3800 Hus151436vl3800 Hus151414vl3600 Hus151473vl3600 Hus151436vl3600

Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications

1 General

2 Outline of the Drive

3 Fixed-Disk Subsystem Description

4 Drive Characteristics

Appendix

5 Data Integrity

6 Physical Format

7 Electrical Interface Specification

8 Environment

600 DC Power Requirements

10 Reliability

11 Mechanical Specifications

12 Vibration and Shock

13 Acoustics

14 Identification

15 Standards

16 Electromagnetic Compatibility

17 SCSI Command Set

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Summary of Contents for Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive