Seagate 15K.3 - Cheetah - Hard Drive Product Manual

Seagate 15K.3 - Cheetah - Hard Drive Product Manual

Cheetah 15k.3 fc disc drive
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Cheetah 15K.3 FC Disc Drive
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ST373453FC
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ST336753FC
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ST318453FC
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Product Manual, Volume 1
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Summary of Contents for Seagate 15K.3 - Cheetah - Hard Drive

  • Page 1 ..........Cheetah 15K.3 FC Disc Drive .
  • Page 3 ..........Cheetah 15K.3 FC Disc Drive .
  • Page 4 Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners. Seagate reserves the right to change, without notice, product offerings or specifications. No part of this publica- tion may be reproduced in any form without written permission of Seagate Technology LLC.
  • Page 5 Revision status summary sheet Revision Date Writer/Engineer Sheets Affected Rev. A 05/03/2002 K. Schweiss/B. Hohn 1/1, v-vii, and 1-74. Rev. B 07/08/2002 K. Schweiss/B. Hohn 1/1, v-vii, and 1-74. Rev. C 11/26/2002 K. Schweiss/B. Hohn Front and back covers, and 9. Rev.
  • Page 7: Table Of Contents

    Cheetah 15K.3 FC Product Manual, Rev. D Contents Scope ................1 Applicable standards and reference documentation.
  • Page 8 Seagate Technology support services........
  • Page 9 Cheetah 15K.3 FC Product Manual, Rev. D List of Figures Figure 1. Cheetah 15K.3 FC family disc drive ..........1 Figure 2.
  • Page 11: Scope

    Cheetah 15K.3 FC drives support the Fibre Channel Arbitrated Loop and SCSI Fibre Channel Protocol specifi- cations to the extent described in this manual. The Fibre Channel Interface Manual (part number 77767496) describes the general Fibre Channel Arbitrated Loop characteristics of this and other Seagate Fibre Channel drives.
  • Page 12 Cheetah 15K.3 FC Product Manual, Rev. D...
  • Page 13: Applicable Standards And Reference Documentation

    Mounting by bottom holes must meet the requirements of Section 8.5. Standards The Cheetah 15K.3 FC family complies with Seagate standards as noted in the appropriate sections of this manual and the Seagate Fibre Channel Interface Manual , part number 77767496.
  • Page 14: Reference Documents

    Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document and any referenced document, this document takes precedence.
  • Page 15: General Description

    Cheetah 15K.3 FC Product Manual, Rev. D General description Cheetah 15K.3 FC drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a Fibre Channel interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.
  • Page 16: Standard Features

    Cheetah 15K.3 FC Product Manual, Rev. D Standard features Cheetah 15K.3 FC drives have the following standard features: • 2-Gbit Fibre Channel interface. For 2 gigabit operation, the block size must be divisable by 8. • Integrated dual port FC-AL controller •...
  • Page 17: Reliability

    Cheetah 15K.3 FC Product Manual, Rev. D Reliability • 1,200,000 hour MTBF • LSI circuitry • Balanced low mass rotary voice coil actuator • Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • Dithering Unformatted and formatted capacities Formatted capacity depends on the spare reallocation sectors scheme selected, the number of data tracks per sparing zone, and the number of alternate sectors (LBAs) per sparing zone.
  • Page 18 Cheetah 15K.3 FC Product Manual, Rev. D...
  • Page 19: Performance Characteristics

    Cheetah 15K.3 FC Product Manual, Rev. D Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah 15K.3 FC drives. Internal drive characteristics ST373453FC ST336753FC ST336753FC Drive capacity 73.4 36.7 18.4 Gbytes (formatted, rounded off value) Read/write data heads Bytes per track 377,770...
  • Page 20: General Performance Characteristics

    Cheetah 15K.3 FC Product Manual, Rev. D 4.2.3 General performance characteristics Minimum sector interleave 1 to 1 Data buffer to/from disc media (one 512-byte logical block)* Minimum 51.8 MBytes/sec Maximum 86.0 MBytes/sec Fibre Channel Interface maximum instantaneous transfer rate 200 Mbytes/sec* per port (dual port = 400 Mbytes/sec*) Logical block sizes...
  • Page 21: Caching Write Data

    Cheetah 15K.3 FC Product Manual, Rev. D Of the 8,192 kbytes physical buffer space in the drive, approximately 7,500 kbytes can be used as a cache. The buffer can be divided into logical segments (using Mode Select Page 08h, byte 13) from which data is read and to which data is written.
  • Page 22: Prefetch Operation

    Cheetah 15K.3 FC Product Manual, Rev. D was written there at the beginning of the operation; however, the drive does not overwrite data that has not yet been written to the medium. If write caching is enabled (WCE=1), then the drive may return Good status on a write command after the data has been transferred into the cache, but before the data has been written to the medium.
  • Page 23: Reliability Specifications

    Cheetah 15K.3 FC Product Manual, Rev. D Reliability specifications The following reliability specifications assume correct host and drive operational interface, including all inter- face timings, power supply voltages, environmental requirements and drive mounting constraints. Seek error rate: Less than 10 errors in 10 seeks Read Error Rates Recovered Data...
  • Page 24: Reliability And Service

    Special equipment is required to repair the drive HDA. Repairs must be performed only at a properly equipped and staffed Seagate service and repair facility. Troubleshooting and repair of PCBs in the field is not recom- mended because of the extensive diagnostic equipment required for effective servicing. There are not spare parts available for this drive.
  • Page 25: S.m.a.r.t

    Cheetah 15K.3 FC Product Manual, Rev. D nisms, character sync, running disparity, word sync, and CRC are able to detect any error. Recovery is initiated based on the type of error. The disc drive defaults to the FC-AL Monitoring state, Pass-through state, when it is powered-on by switching the power or hot plugged.
  • Page 26: Thermal Monitor

    Cheetah 15K.3 FC Product Manual, Rev. D bus. The process of measuring off-line attribute data and saving data to the disc is uninterruptable. The maxi- mum on-line only processing delay is summarized below: Maximum processing delay On-line only delay Fully-enabled delay DEXCPT = 0, PERF = 1 DEXCPT = 0, PERF = 0 S.M.A.R.T.
  • Page 27: Drive Self Test (Dst)

    DST. It is the responsibility of the host application to determine the “not ready” cause. While not technically part of DST, a Not Ready condition also qualifies the drive to be returned to Seagate as a failed drive.
  • Page 28 Cheetah 15K.3 FC Product Manual, Rev. D In these conditions, the drive responds to a Test Unit Ready command with an 02/04/00 or 02/04/03 code. 5.2.9.2.2 Invoking DST To invoke DST, submit the Send Diagnostic command with the appropriate Function Code (001b for the short test or 010b for the extended test) in bytes 1, bits 5, 6, and 7.
  • Page 29: Product Warranty

    Seagate’s option and at no charge to the customer, if returned by customer at customer’s expense to Seagate’s designated facility in accordance with Seagate’s warranty pro- cedure.
  • Page 30 Cheetah 15K.3 FC Product Manual, Rev. D...
  • Page 31: Physical/Electrical Specifications

    Cheetah 15K.3 FC Product Manual, Rev. D Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the drive. AC power requirements None. DC power requirements The voltage and current requirements for a single drive are shown below. Values indicated apply at the drive connector.
  • Page 32: Conducted Noise Immunity

    Cheetah 15K.3 FC Product Manual, Rev. D 6.2.1 Conducted noise immunity Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.
  • Page 33: Figure 3. Typical St373453Fc Drive +5V Current Profile

    Cheetah 15K.3 FC Product Manual, Rev. D Figure 3. Typical ST373453FC drive +5V current profile Figure 4. Typical ST336753FC drive +12V current profile...
  • Page 34: Figure 5. Typical St336753Fc Drive +5V Current Profile

    Cheetah 15K.3 FC Product Manual, Rev. D Figure 5. Typical ST336753FC drive +5V current profile Figure 6. Typical ST318453FC drive +12V current profile...
  • Page 35: Figure 7. Typical St318453Fc Drive +5V Current Profile

    Cheetah 15K.3 FC Product Manual, Rev. D Figure 7. Typical ST318453FC drive +5V current profile...
  • Page 36: Power Dissipation

    Cheetah 15K.3 FC Product Manual, Rev. D Power dissipation ST373453FC Typical power dissipation under idle conditions in 2Gb operation is 12.7 watts (43.3 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 8).
  • Page 37: Environmental Limits

    Cheetah 15K.3 FC Product Manual, Rev. D ST318453FC Typical power dissipation under idle conditions in 2Gb operation is 9.6 watts (32.8 BTUs per hour). To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure 8).
  • Page 38: Relative Humidity

    Non-operating –40° to 158°F (–40° to 70°C) package ambient with a maximum gradient of 36°F (20°C) per hour. This specification assumes that the drive is packaged in the shipping container designed by Seagate for use with drive. HDA Temp.
  • Page 39 36 in (914 mm) Drives packaged in single or multipacks with a gross weight of 20 pounds (8.95 kg) or less by Seagate for general freight shipment shall withstand a drop test from 48 inches (1,070 mm) against a concrete floor or...
  • Page 40: Figure 12. Recommended Mounting

    Cheetah 15K.3 FC Product Manual, Rev. D Figure 12. Recommended mounting...
  • Page 41: Air Cleanliness

    There will not be any discrete tones more than 10 dB above the masking noise on typical drives when mea- sured according to Seagate specification 30553-001. There will not be any tones more than 24 dB above the masking noise on any drive.
  • Page 42: Mechanical Specifications

    Cheetah 15K.3 FC Product Manual, Rev. D Mechanical specifications The following nominal dimensions are exclusive of the decorative front panel accessory. However, dimensions of the front panel are shown in figure below. Refer to Figure 13 for detailed mounting configuration dimensions. See Section 8.5, “Drive mounting.”...
  • Page 43: Defect And Error Management

    Cheetah 15K.3 FC Product Manual, Rev. D Defect and error management The drive, as delivered, complies with this product manual. The read error rates and specified storage capaci- ties are not dependent upon use of defect management routines by the host (initiator). Defect and error management in the SCSI protocol involves the drive internal defect/error management and FC-AL system error considerations (errors in communications between the initiator and the drive).
  • Page 44: Fc-Al System Errors

    Cheetah 15K.3 FC Product Manual, Rev. D When the RC bit is one, reallocations are disabled even if the ARRE or AWRE bits are one. The drive will still perform data recovery actions within the limits defined by the Read Retry Count, Write Retry Count, and Recovery Time Limit parameters.
  • Page 45: Installation

    Cheetah 15K.3 FC Product Manual, Rev. D Installation Cheetah 15K.3 FC disc drive installation is a plug-and-play process. There are no jumpers, switches, or termi- nators on the drive. Simply plug the drive into the host’s 40-pin Fibre Channel backpanel connector (FC- —...
  • Page 46: J6 Connector Requirements

    Cheetah 15K.3 FC Product Manual, Rev. D Drive Front Pin 1 Reserved Port A Bypass LED [1] Port B Bypass LED [1] Fault LED [1] Reserved Active LED [2] Reserved Active LED [1] Ground [3] The drive has a 2.2K ohm resistor in series with this LED driver. Tie the minus side of an external high-efficiency LED (i.e., 2ma) to this pin.
  • Page 47: Drive Mounting

    (F) is applied to the fourth point. Note. Before mounting the drive in any kind of 3.5-inch to 5.25-inch adapter frame, verify with Seagate Tech- nology that the drive can meet the shock and vibration specifications given herein while mounted in such an adapter frame.
  • Page 48 Cheetah 15K.3 FC Product Manual, Rev. D ground, the systems integrator or user must provide a nonconductive (electrically isolating) method of mount- ing the drive in the host equipment. Increased radiated emissions may result if you do not provide the maximum surface area ground connection between system ground and drive ground.
  • Page 49: Interface Requirements

    Cheetah 15K.3 FC Product Manual, Rev. D Interface requirements This section partially describes the interface requirements as implemented on Cheetah 15K.3 FC drives. Addi- tional information is provided in the Fibre Channel Interface Manual (part number 77767496). FC-AL features This section lists the Fibre Channel-specific features supported by Cheetah 15K.3 FC drives. 9.1.1 Fibre Channel link service frames Table 4 lists the link services supported by Cheetah 15K.3 FC drives.
  • Page 50: Fibre Channel Port Login

    Cheetah 15K.3 FC Product Manual, Rev. D 9.1.4 Fibre Channel port login Table 7 identifies the required content of the N_Port Login (PLOGI) payload from an initiator. Table 7: N_Port login (PLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2...
  • Page 51: Fibre Channel Port Login Accept

    Cheetah 15K.3 FC Product Manual, Rev. D 9.1.5 Fibre Channel port login accept Table 8 identifies the N_Port Login access payload values. Table 8: N_Port Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3...
  • Page 52: Fibre Channel Fabric Login

    Cheetah 15K.3 FC Product Manual, Rev. D 9.1.8 Fibre Channel fabric login Table 11 lists the fabric login payload from the drive. Table 11: Fabric Login (FLOGI) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1 48-51 52-63 Class 2 64-67 68-79 Class 3...
  • Page 53: Fibre Channel Fabric Accept Login

    Cheetah 15K.3 FC Product Manual, Rev. D 9.1.9 Fibre Channel fabric accept login Table 11 lists the required content of the Fabric Login Accept (ACC) payload from the fabric. Table 12: Fabric Login Accept (ACC) payload Bytes 0-15 Common 16-31 32-35 36-47 Class 1...
  • Page 54: Fibre Channel Arbitrated Loop Options

    • If both ports are connected in the same loop and hard addressing is used, at least one port will attempt tak- ing a soft address to prevent an address conflict. Note. When a Cheetah 15K.3 FC drive is connected in loops with previous Seagate FC drive products: Barracuda 4LP FC (ST32171FC, ST34371FC, and ST34571FC) Barracuda 9FC (ST19171FC)
  • Page 55: Scsi Commands Supported

    Cheetah 15K.3 FC Product Manual, Rev. D SCSI commands supported Table 14 lists the SCSI commands supported by Cheetah 15K.3 FC drives. Table 14: Supported commands Command code Supported [4] Command name Test unit ready Rezero unit Request sense Extended sense Field pointer bytes Actual retry count bytes Format unit [1]...
  • Page 56 Cheetah 15K.3 FC Product Manual, Rev. D Table 14: Supported commands (continued) Command code Supported [4] Command name Translate page Enclosure services page Send diagnostics page Supported diagnostics pages Translate page Read capacity Read extended Disable page out Force unit access Relative address Write extended Disable page out...
  • Page 57 Cheetah 15K.3 FC Product Manual, Rev. D Table 14: Supported commands (continued) Command code Supported [4] Command name Read descriptor mode (3) Read long Write long Change definition Write same PBdata LBdata 42-4Bh Not used Log Select Log Sense Support Log page (00h) Write Error Counter page (02h) Read Error Counter page (03h) Read Reverse Error Counter page (04h)
  • Page 58 Cheetah 15K.3 FC Product Manual, Rev. D Cheetah 15K.3 FC drives can format to any multiple of four bytes per logical block in the range 512 to 704 bytes. Warning. Power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable.
  • Page 59: Inquiry Data

    Cheetah 15K.3 FC Product Manual, Rev. D 9.3.1 Inquiry data Table 15 lists the Inquiry command data that the drive should return to the initiator per the format given in the Fibre Channel Interface Manual . Cheetah 15K.3 FC Table 15: inquiry data Bytes Data (hex)
  • Page 60 Cheetah 15K.3 FC Product Manual, Rev. D 3. Current values Current values are volatile values being used by the drive to control its operation. A Mode Select command can be used to change the values identified as changeable values. Originally, current values are installed from saved or default values after a power on reset, hard reset, or Bus Device Reset message.
  • Page 61 Cheetah 15K.3 FC Product Manual, Rev. D Table 16: Mode Sense data default and changeable values for ST373453FC drives ST373453FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 10 Byte 00 ae 00 10 00 00 00 08 08 8b b9 98 00 00 02 00 Mode...
  • Page 62 Cheetah 15K.3 FC Product Manual, Rev. D Table 17: Mode Sense data default and changeable values for ST336753FC drives ST336753FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 10 Byte 00 ae 00 10 00 00 00 00 08 04 45 dc cc 00 00 02 00 Mode...
  • Page 63 Cheetah 15K.3 FC Product Manual, Rev. D Table 18: Mode Sense data default and changeable values for ST318453FC drives ST318453FC Bytes 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 10 Byte 00 ae 00 10 00 00 00 00 08 02 22 ee 66 00 00 02 00 Mode...
  • Page 64: Miscellaneous Operating Features And Conditions

    Cheetah 15K.3 FC Product Manual, Rev. D Miscellaneous operating features and conditions Table 19 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported. Table 19: Miscellaneous features Supported...
  • Page 65: Fc-Al Physical Interface

    Figure 19 provides the dimensions of the FC-SCA. Figure 20 provides the dimensions of the J6 con- nector. Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s Fibre Channel drives are provided in the Fibre Channel Interface Manual .. Figure 17. Physical interface 9.5.1...
  • Page 66: Connector Requirements

    Cheetah 15K.3 FC Product Manual, Rev. D 9.5.2 Connector requirements Recommended mating SCA part number: Part description Positions Part number Features With polarization AMP Vertical (SCA sequence) 787317-1 Berg 71781 With polarization Methode 512-220-91-101N With polarization Molex 717431040 With polarization The FC-AL SCA device connector is illustrated in Figure 19.
  • Page 67: Electrical Description

    Cheetah 15K.3 FC Product Manual, Rev. D 9.5.3 Electrical description Fibre Channel drives use the FC-SCA connector for: • DC power • FC-AL interface • Drive select (device identification) • Option selection • Enclosure Services interface This 40-pin connector is designed to plug directly into a backpanel. External cables are not required. 9.5.4 Pin descriptions This section provides a pin-out of the FC-SCA and a description of the functions provided by the pins.
  • Page 68: Fc-Al Transmitters And Receivers

    Cheetah 15K.3 FC Product Manual, Rev. D 9.5.5 FC-AL transmitters and receivers A typical FC-AL differential copper transmitter and receiver pair is shown in Figure 21. The receiver is required to provide the AC coupling to eliminate ground shift noise. Differential Transmitter Receiver...
  • Page 69: Enable Port Bypass Signals

    Cheetah 15K.3 FC Product Manual, Rev. D The Active LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the proper +5 volt supply through an appropriate current limiting resistor. The LED and the current limiting resistor are external to the drive.
  • Page 70 Cheetah 15K.3 FC Product Manual, Rev. D 9.5.11.1 Parallel Enclosure Services Interface (ESI) The parallel ESI line is an output from the drive. This line provides the enclosure with an indication of the present function of the SEL lines. A high level, the default state, indicates the drive requires address informa- tion on the SEL lines.
  • Page 71 Cheetah 15K.3 FC Product Manual, Rev. D Table 24: Arbitrated loop physical address (AL_PA) values AL_PA SEL ID Setting AL_PA SEL ID Setting AL_PA SEL ID Setting (hex) (hex) (dec) (hex) (hex) (dec) (hex) (hex) (dec)
  • Page 72: Device Control Codes

    Cheetah 15K.3 FC Product Manual, Rev. D 9.5.12 Device control codes The drive inputs a Device Control Code on the DEV_CTRL_CODE lines at power up to determine the link rate on the Fibre Channel ports. Both ports run at the same rate. If the backpanel does not connect to these lines, the drive has 10K ohm pull up resistors that default the device control code to 7 (1.0625 GHz).
  • Page 73: Differential Pecl Output

    Cheetah 15K.3 FC Product Manual, Rev. D 9.6.3 Differential PECL output The serial PECL output signal voltage characteristics are provided in Table 28. The outputs are not AC coupled in order to deliver maximum signal without rise and fall time degradation. You must AC couple the receiver to isolate potentially different DC characteristics of the outputs and the receiver.
  • Page 74 Cheetah 15K.3 FC Product Manual, Rev. D...
  • Page 75: Seagate Technology Support Services

    Online Services Internet www.seagate.com for information about Seagate products and services. rss.seagate.com for information about Seagate backup tape drives and related services. Worldwide support is available 24 hours daily by e- mail for your disc or tape questions. Presales Support: Disc: www.seagate.com/support/email/email_presales.html or DiscPresales@Seagate.com...
  • Page 76 Seagate service center representative for warranty-related issues. Resellers or end users of drive products should contact their place of purchase or one of the Seagate warranty service cen- ters for assistance. Have your drive’s “ST” model number and serial number available.
  • Page 77 Cheetah 15K.3 FC Product Manual, Rev. D European Support Services For European presales, technical support, and warranty service, dial the toll-free number for your specific country. If your country is not listed here, dial our European call center at +31-20-316-7222 from 8:30 .
  • Page 78 Cheetah 15K.3 FC Product Manual, Rev. D...
  • Page 79 Cheetah 15K.3 FC Product Manual, Rev. D Index data 6 space 11 busy status 54 Numerics bypass circuit 15 Byte check command 46 12 volt bytes per surface 9 pins 58 bytes per track 9 3rd party reserve command 47 5 volt pins 58 cache operation 10 cache segments 11...
  • Page 80 Cheetah 15K.3 FC Product Manual, Rev. D read/write 9 Enclosure services page command 46 data rate environment 37 internal 9 environmental data transfer rate 10 interference 13 data valid eye 63 limits 27 Date code page command 45 requirements 13 DC power 57 environmental control 31 requirements 21...
  • Page 81 Cheetah 15K.3 FC Product Manual, Rev. D Format command execution time 9 internal defects/errors 33 Format page (03h) command 45 internal drive characteristics 9 Format unit command 45 front panel 32 FS 40 J1 connector 35 function J6 connector 35 complete, code 00 39 Jumper settings page command 45 not supported, code 05 39...
  • Page 82 Cheetah 15K.3 FC Product Manual, Rev. D ACA active 54 orientation 28 ACA active, faulted initiator 54 OS 40 Busy 54 out-of-plane distortion 37 Check condition 54 Condition met/good 54 Good 54 P_LOGI Intermediate/condition met/good 54 received on Port A 41 Intermediate/good 54 received on Port B 41 Reservation conflict 54...
  • Page 83 Cheetah 15K.3 FC Product Manual, Rev. D Process Login Accept (ACC) payload 41 rotation speed 9 process login payload data 41 running disparity 15 Process Logout (PRLO) 39 public loop FC-AL options 44 safety 3 pull down resistor 59 SCA part numbers 56 SCSI interface commands supported 45 queue tagging 54...
  • Page 84 Cheetah 15K.3 FC Product Manual, Rev. D surface stiffness vibration 28 allowable for non-flat surface 37 Vital product data page command 45 switches 35 Synchronize cache command 46 synchronized spindle warranty 19 operation 54 word sync 15 system chassis 37 Write and verify command 46 Write buffer command 46 Write combined header and data mode (0) 46...
  • Page 86 Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100148129, Rev. D, Printed in USA...

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