Seagate ST336732LC Product Manual
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Seagate ST336732LC Product Manual

Seagate ST336732LC Product Manual

Cheetah x15 36lp disc drive
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Enlarged version
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Cheetah X15 36LP Disc Drive:
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ST336752LW/LC, ST336732LW/LC
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ST318452LW/LC, ST318432LW/LC
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Product Manual, Volume 1

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Summary of Contents for Seagate ST336732LC

  • Page 1 ..........Cheetah X15 36LP Disc Drive: .
  • Page 3 ..........Cheetah X15 36LP 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 06/27/01 L. Newman/J. Nowitzke All. Rev. B 11/30/01 L. Newman/B. Hohn Pages 27, 36, 38, 39, and 56. Rev. C 02/08/02 L. Newman/B. Hohn Pages 5, 51 and 52. Rev.

  • Page 7: Table Of Contents

    Cheetah X15 36LP Product Manual, Rev. D Contents Scope ................1 Applicable standards and reference documentation.
  • Page 8 Seagate Technology support services........
  • Page 9 Cheetah X15 36LP Product Manual, Rev. D List of Figures Figure 1. Cheetah X15 36LP family drive (ST336752LC shown) ......1 Figure 2.

  • Page 11: Scope

    Cheetah X15 36LP drives support the small computer system interface (SCSI) as described in the ANSI SCSI SPI-4 interface specifications to the extent described in this manual. The SCSI Interface Product Manual (part number 75789509) describes general SCSI interface characteristics of this and other families of Seagate drives.
  • Page 12 Cheetah X15 36LP Product Manual, Rev. D...

  • Page 13: Applicable Standards And Reference Documentation

    Mounting by bottom holes must meet the requirements of Section 8.4. Standards The Cheetah X15 36LP family complies with Seagate standards as noted in the appropriate sections of this Manual and the Seagate SCSI Interface Product Manual, part number 75789509 (Vol. 2).

  • Page 14: Reference Documents

    T10/1365D SCSI Parallel Interface - 4 (SPI-4) SFF-8451, Specification for SCA-2 Unshielded Connections Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N 30553-001...

  • Page 15: Cheetah X15 36Lp Product Manual, Rev. D

    (volume 1), which defines the product performance char- acteristics of the Cheetah X15 36LP family of drives, and the SCSI Interface Product Manual (volume 2), part number 75789509, which describes the general interface characteristics of this and other families of Seagate SCSI drives.

  • Page 16: Standard Features

    Cheetah X15 36LP Product Manual, Rev. D Cheetah X15 36LP drives decode track 0 location data from the servo data embedded on each surface to elim- inate mechanical transducer adjustments and related reliability concerns. A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation.

  • Page 17: Unformatted And Formatted Capacities

    Cheetah X15 36LP Product Manual, Rev. D • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty Unformatted and formatted capacities Formatted capacity depends on the number of spare reallocation sectors reserved and the number of bytes per sector. The following table shows the standard OEM model capacities: Formatted data block size 512 bytes/sector [1]...

  • Page 18: Performance Characteristics

    Cheetah X15 36LP Product Manual, Rev. D Performance characteristics Internal drive characteristics (transparent to user) ST336752 and ST318452 and ST336732 ST318432 Drive capacity 36.7 18.4 GByte (formatted, rounded off values) Read/write heads Bytes/track 316,155 316,155 Bytes (average, rounded off values) Bytes/surface 5,932.5 5,932.5...

  • Page 19: Start/Stop Time

    Cheetah X15 36LP Product Manual, Rev. D Sector Sizes: Default 512 byte user data blocks Variable 512 to 704 bytes per sector in even number of bytes per sector. If n (number of bytes per sector) is odd, then n-1 will be used. Read/write consecutive sectors on a track Flaw reallocation performance impact (for flaws reallocated at format time using Negligible...

  • Page 20: Caching Write Data

    Cheetah X15 36LP Product Manual, Rev. D requested by the host with a Read command is retrieved from the buffer (if it is there), before any disc access is initiated. If cache operation is not enabled, the buffer (still segmented with required number of segments) is still used, but only as circular buffer segments during disc medium read operations (disregarding Prefetch operation for the moment).

  • Page 21: Prefetch Operation

    Cheetah X15 36LP Product Manual, Rev. D The Synchronize Cache command may be used to force the drive to write all cached write data to the medium. Upon completion of a Synchronize Cache command, all data received from previous write commands will have been written to the medium.
  • Page 22 Cheetah X15 36LP Product Manual, Rev. D...

  • Page 23: Reliability Specifications

    Cheetah X15 36LP Product Manual, Rev. D Reliability specifications The following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 8.4). Seek Errors Less than 10 in 10 seeks Read Error Rates [1] Recovered Data...

  • Page 24: Reliability And Service

    Cheetah X15 36LP Product Manual, Rev. D error (15h) is reported with a Medium error (3h) or Hardware error (4h) reported in the Sense Key. This is an unrecoverable seek error. Unrecoverable seek errors are classified as failures for MTBF calculations. Refer to the SCSI Interface Product Manual, part number 75789509, for Request Sense information.

  • Page 25: Hot Plugging Cheetah X15 36Lp Disc Drives

    Case 4 - Current I/O process allowed during insertion or removal, except on the device being changed Seagate Cheetah X15 36LP disc drives support all four hot plugging cases. Provision shall be made by the system such that a device being inserted makes power and ground connections prior to the connection of any device signal contact to the bus.

  • Page 26: Thermal Monitor

    Cheetah X15 36LP Product Manual, Rev. D The process of measuring off-line attributes and saving data can be forced by the Rezero Unit command. Forc- ing S.M.A.R.T. will reset the timer so that the next scheduled interrupt will be two hours. The drive can be interrogated by the host to determine the time remaining before the next scheduled measure- ment and data logging process will occur.

  • Page 27: Drive Self Test (Dst)

    If DST encounters an error during either of these tests, it reports a fault condition. If the drive fails the test, remove it from service and return it to Seagate for service. 5.2.9.1 DST Failure Definition The drive will present a “diagnostic failed”...
  • Page 28 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. Refer to the Seagate SCSI Interface Manual, part number 75789509, for additional information about invoking DST.

  • Page 29: Product Warranty

    Seagate’s option and at no charge to customer, if returned by customer at cus- tomer’s expense to Seagate’s designated facility in accordance with Seagate’s warranty procedure. Seagate will pay for transporting the repair or replacement item to customer.
  • Page 30 Cheetah X15 36LP Product Manual, Rev. D...

  • Page 31: Physical/Electrical Specifications

    Cheetah X15 36LP Product Manual, Rev. D Physical/electrical specifications This section provides information relating to the physical and electrical characteristics of the Cheetah X15 36LP drive. AC power requirements None. DC power requirements The voltage and current requirements for a single drive are shown in the following table. Values indicated apply at the drive power connector.

  • Page 32: Conducted Noise Immunity

    Cheetah X15 36LP 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 con- nector.

  • Page 33: Figure 3. Typical St336752 And St336732 Drive +5 V Current Profile

    Cheetah X15 36LP Product Manual, Rev. D +5 Volt Current during spindle start — Typical Amperes Amps Nominal (average) DC curve AC Envelope Seconds Figure 3. Typical ST336752 and ST336732 drive +5 V current profile +12 Volt Current during spindle start — Typical Amperes AC Envelope DC average of waveform T0 T1...

  • Page 34: Figure 5. Typical St318452 And St318432 Drive +5 V Current Profile

    Cheetah X15 36LP Product Manual, Rev. D +5 Volt Current during spindle start — Typical Amperes Nominal (average) DC curve AC Envelope Seconds Figure 5. Typical ST318452 and ST318432 drive +5 V current profile...

  • Page 35: Power Dissipation

    Cheetah X15 36LP Product Manual, Rev. D Power dissipation ST336752 and ST336732 For drives using single-ended interface circuits, typical power dissipation under idle conditions is 12.1 watts (41.3 BTUs per hour). For drives using low voltage differential interface circuits, typical power dissipation under idle conditions is 12.3 watts (42.0 BTUs per hour).

  • Page 36: Figure 8. St318452 And St318432 Dc Current And Power Vs. Iops (Se)

    Cheetah X15 36LP Product Manual, Rev. D ST318452 and ST318432 For drives using single-ended interface circuits, typical power dissipation under idle conditions is 10.0 watts (34.15 BTUs per hour). For drives using low voltage differential interface circuits, typical power dissipation under idle conditions is 10.3 watts (35.18 BTUs per hour).

  • Page 37: Environmental Limits

    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 Temperature Check Point Figure 10.

  • Page 38: Shock And Vibration

    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 39: Figure 11. Recommended Mounting

    Cheetah X15 36LP Product Manual, Rev. D Figure 11. Recommended mounting...

  • Page 40: 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 41: Mechanical Specifications

    Cheetah X15 36LP 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 Figures 12 and 13 for detailed mounting configuration dimensions.

  • Page 42: Figure 13. Lc Mounting Configuration Dimensions

    Cheetah X15 36LP Product Manual, Rev. D Notes: Mounting holes are 6-32 UNC 2B, three -Z- -X- on each side and four on the bottom. Max screw penetration into side of drive is 0.15 in. (3.81 mm). Max screw tightening torque is 8.0 in-lb (4.43 nm) with minimum full thread engagement of 0.12 in.

  • Page 43: Defect And Error Management

    Cheetah X15 36LP Product Manual, Rev. D Defect and error management The drive, as delivered, complies with this specification. The read error rate and specified storage capacity are not dependent upon use of defect management routines by the host (initiator). Defect and error management in the SCSI system involves the drive internal defect/error management and SCSI systems error considerations (errors in communications between Initiator and the drive).

  • Page 44: Scsi Systems Errors

    Cheetah X15 36LP Product Manual, Rev. D Table 4: Read and write retry count maximum recovery times [1] Read retry Maximum recovery time per Write retry Maximum recovery time per count [1] LBA (cumulative, msec) count LBA (cumulative, msec) 52.0 35.8 60.0 53.7...

  • Page 45: Installation

    J2, J5-Auxiliary and J6. Suggested part number for the jumpers used on J2 is Molex 52747-0211 (Seagate part number 77679052). A bag with the two jumper plug types is shipped with the standard OEM drives.

  • Page 46: Figure 14. J6 Jumper Header

    Cheetah X15 36LP Product Manual, Rev. D Drive Front Jumper Plug (enlarged to show detail) Pin 1 [1] [5] Reserved A 2 A 1 A 0 SCSI ID = 0 (default) SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6...

  • Page 47: Figure 15. J5 Jumper Header (On Lw Models Only)

    Cheetah X15 36LP Product Manual, Rev. D Drive HDA (rear view, PCB facing downward) [1] [2] Pin 1 +5V Ground Pin 1 J1-DC Power 68 Pin SCSI ID = 0 (default) SCSI I/O Connector SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5...

  • Page 48: Notes For Figures 14, 15, And 16

    Cheetah X15 36LP Product Manual, Rev. D Pin 1 Jumper LW Models Positions Force single-ended bus mode Pin 1 Delay Motor Start Enable Remote Motor Start Jumper Write Protect LC Models Positions Parity Disable Force single-ended bus mode Write Protect No connection Term.

  • Page 49: Function Description

    Cheetah X15 36LP Product Manual, Rev. D 8.1.2 Function description jumper installation Jumper function description Forces drive to use single-ended I/O drivers/receivers only. Drive can operate on the interface in low voltage differential mode or single-ended, depend- ing on the voltage state of the I/O “DIFFSNS” line. Default. (Does not apply to LC models) Spindle starts immediately after power up.

  • Page 50: Drive Orientation

    Cheetah X15 36LP Product Manual, Rev. D Drive orientation The balanced rotary arm actuator design of the drive allows it to be mounted in any orientation. All drive perfor- mance characterization, however, has been done with the drive in horizontal (discs level) and vertical (drive on its side) orientations, and these are the two preferred mounting orientations.

  • Page 51: 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 52 Cheetah X15 36LP Product Manual, Rev. D...

  • Page 53: Interface Requirements

    36LP. No attempt is made to describe all of the minute details of conditions and constraints that must be con- sidered by designers when designing a system in which this family of drives can properly operate. Seagate declares that the drives operate in accordance with the appropriate ANSI Standards referenced in various places herein, with exceptions as noted herein or in the Seagate SCSI Interface Product Manual.

  • Page 54: Scsi Interface Commands Supported

    Cheetah X15 36LP Product Manual, Rev. D Notes. Extended messages (see the SCSI Interface Product Manual). Supports all options except qas_req and iu_req. SCSI interface commands supported Table 6 following lists the SCSI interface commands that are supported by the drive. OEM standard drives are shipped set to operate in Ultra160 mode.
  • Page 55 Cheetah X15 36LP Product Manual, Rev. D Table 6: Commands supported by Cheetah X15 36LP family drive (Continued) Supported by Supported by Command ST336752 and ST336732 and Command name code ST318452 models ST318432 models Read Error Counter page (03h) Read Reverse Error Counter page (04h) Self-test Results page (10h) Start-stop Cycle Counter page (0Eh) Temperature page (0Dh)
  • Page 56 Cheetah X15 36LP Product Manual, Rev. D Table 6: Commands supported by Cheetah X15 36LP family drive (Continued) Supported by Supported by Command ST336752 and ST336732 and Command name code ST318452 models ST318432 models 3rd Party Reserve Extent Reservation Reserve (10) 3rd Party Reserve Extent Reservation Rezero Unit...

  • Page 57: Inquiry Vital Product Data

    33 31 38 34 35 32 4C 57 ST318452LC 33 31 38 34 35 32 4C 43 ST336732LW 33 33 36 37 33 32 4C 57 ST336732LC 33 33 36 37 33 32 4C 43 ST318432LW 33 31 38 34 33 32 4C 57 ST318432LC 33 31 38 34 33 32 4C 43 Copyright Year - changes with actual year.

  • Page 58: Mode Sense Data

    Cheetah X15 36LP Product Manual, Rev. D 9.3.2 Mode Sense data The Mode Sense command provides a means for the drive to report its operating parameters to the initiator. The drive maintains four sets of Mode parameters, Default values, Saved values, Current values and Change- able values.
  • Page 59 Cheetah X15 36LP Product Manual, Rev. D Tables 8 and 9 list the values of the data bytes returned by model drives in response to ST336752 and ST318452 the Mode Sense command pages for SCSI Ultra160 implementation (see the SCSI Interface Manual). Definitions: DEF = Default value.
  • Page 60 Cheetah X15 36LP Product Manual, Rev. D Table 9: ST318452 Mode sense data 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 Mode 00 a6 00 10 00 00 00 08 02 22 ee 56 00 00 02 00 Sense Data...
  • Page 61 Cheetah X15 36LP Product Manual, Rev. D Tables 10 and 11 list the values of the data bytes returned by model drives in response ST336732 and ST318432 to the Mode Sense command pages for SCSI Ultra320 implementation (see the SCSI Interface Manual). Definitions: DEF = Default value.
  • Page 62 Cheetah X15 36LP Product Manual, Rev. D Table 11: ST318432 Mode sense data 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 Mode 00 a6 00 10 00 00 00 08 02 22 ee 56 00 00 02 00 Sense Data...

  • Page 63: Scsi Bus Conditions And Miscellaneous Features Supported

    Cheetah X15 36LP Product Manual, Rev. D SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI device to perform certain actions and can alter the SCSI bus phase sequence. Other miscellaneous operating features supported are also listed here.

  • Page 64: Synchronous Data Transfer

    Figures 18 and 19 show the locations of the DC power connector, SCSI interface connector, drive select head- ers, and option select headers. Details of the physical, electrical and logical characteristics are given in sections following, while the SCSI operational aspects of Seagate drive interfaces are given in the SCSI Interface Product Manual.

  • Page 65: Dc Cable And Connector

    Cheetah X15 36LP Product Manual, Rev. D 9.6.1 DC cable and connector ST336752LW and ST318452LW drives receive DC power through a 4 pin connector (see Figure 20 for pin assignment) mounted at the rear of the main PCBA. Recommended part numbers of the mating connector are listed below, but equivalent parts may be used.

  • Page 66: Figure 18. Lw Model Drive Physical Interface (68-Pin J1 Scsi I/O Connector)

    Cheetah X15 36LP Product Manual, Rev. D Power +12V +12V ret + 5V ret + 5V Pin 1 Pin 1A J1-DC Power J1-DC Power Pin 1P Pin 1A Pin 1 68 Pin SCSI I/O Connector Figure 18. LW model drive physical interface (68-pin J1 SCSI I/O connector) 80-pin SCSI I/O Connector...

  • Page 67: Scsi Interface Physical Description

    Cheetah X15 36LP Product Manual, Rev. D 9.6.2 SCSI interface physical description The drives documented in this manual support single-ended and low voltage differential physical interconnects (hereafter referred to as SE and LVD, respectively) as described in the SPI-4 standard. These drives imple- ment driver and receiver circuits that can operate either SE or LVD.

  • Page 68: Scsi Interface Cable Requirements

    (Ultra320) ST336752 ST336752 ST318452LW ST318452 ST336752 ST336752 ST318452LW ST318452 ST336732LW ST336732LC ST318432LW ST318432LC ST336732LW ST336732LC ST318432LW ST318432LC 9.6.3 SCSI interface cable requirements The characteristics of cables used to connect parallel interface drives are discussed in the ANSI standards ref- erenced in this section.

  • Page 69: Mating Connectors

    Cheetah X15 36LP Product Manual, Rev. D 9.6.4 Mating connectors Part numbers for the different type connectors that mate with the various Cheetah X15 36LP I/O connectors are given in the sections following. 9.6.4.1 Mating connectors for LW model drives The nonshielded cable connector shall be a 68 conductor connector consisting of two rows of 34 male contacts with adjacent contacts 0.050 inch (1.27 mm) apart.

  • Page 70: Figure 20. Scsi Daisy Chain Interface Cabling For Lw Drives

    Cheetah X15 36LP Product Manual, Rev. D Recommended mating 80-position PCBA mount connectors: Straight-in connector Hot plug version (with ground guide-pin) Seagate P/N: 77678703 Amp US P/N: 2-557103-1 787311-1 with polarization 94-0680-02-1 Amp US P/N: 2-557103-2 787311-2 without polarization 94-0680-02-2...

  • Page 71: Figure 21. Nonshielded 68 Pin Scsi Device Connector Used On Lw Drives

    Cheetah X15 36LP Product Manual, Rev. D 3.650–.005 .346 .270 . 1 55 1.650 .3937 .600 .050 .0787 .200 .022 .020 .047 (15.24) .519 (13.18) (5.08) .100 Pos. 1.816 (2.54) .315 .085 (46.13) Pos. Position 1 x 45¡ chamfer (8.00) (2.16) .315 –...

  • Page 72: Figure 22. Nonshielded 80 Pin Scsi "Sca-2" Connector, Used On Lc Drives

    Cheetah X15 36LP Product Manual, Rev. D 7.00 (.276) 12.70 End View (.500) Grounding Pins 2.15–0.10 2 places 57.87 (2.278) —0.15 + .000 — .006 0.15 M Y M C L of Datum Y —Y— Front View Pin 1 62.15 –...
  • Page 73 Cheetah X15 36LP Product Manual, Rev. D Table 16: LW 68-conductor single-ended (SE) P cable signal/pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low. Connector Connector Cable conductor Signal contact contact Signal number [2] name [1] number [3]...
  • Page 74 Cheetah X15 36LP Product Manual, Rev. D Table 17: LW 68-conductor LVD P cable signal/pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low. Connector Connector Cable conductor Signal contact contact Signal number [2] name [1] number [3] number [3]...
  • Page 75 Cheetah X15 36LP Product Manual, Rev. D Table 18: LC 80-pin single-ended (SE) I/O connector pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low. Connector Signal contact Signal Contact name [1] number [3] number [3] name[1] 12 V CHARGE...
  • Page 76 Cheetah X15 36LP Product Manual, Rev. D Table 19: LC 80-pin single-ended (LVD) I/O connector pin assignments [11] Note. A minus sign preceding a signal name indicates that signal is active low. Connector Signal contact Signal Contact name [1] number [3] number [3] name[1] 12 V CHARGE...

  • Page 77: Electrical Description

    Cheetah X15 36LP Product Manual, Rev. D Notes [ ] for Tables 16 through 19. See Section 9.6.4.1 for detailed electrical characteristics of these signals. The conductor number refers to the conductor position when using 0.025-inch (0.635 mm) centerline flat ribbon cable.

  • Page 78: Figure 23. Typical Se-Lvd Alternative Transmitter Receiver Circuits

    Cheetah X15 36LP Product Manual, Rev. D Steady state Low level input differential voltage = 0.030 V = < V = < 3.6 V (signal negation/logic 0) Steady state High level input differential voltage* = –3.6 V = < V = <...
  • Page 79 Cheetah X15 36LP Product Manual, Rev. D The maximum SCSI bus length between the terminators for a SCSI LVD multidrop system (up to 16 total SCSI devices) is 12 meters (39.37 feet). However, implementation of this 12-meter total length is dependent on the configuration of the system and the choice of cable.

  • Page 80: Terminator Requirements

    Cheetah X15 36LP Product Manual, Rev. D Terminator requirements Caution: These drives do not have onboard internal terminators. The user, systems integrator or host equip- ment manufacturer must provide a terminator arrangement external to the drive when termination is required. For LW drives, terminator modules can be purchased that plug between the SCSI I/O cable and the drive I/O connector or on the end of a short I/O cable stub extending past the last cable connector.

  • Page 81: Disc Drive Scsi Timing

    Cheetah X15 36LP Product Manual, Rev. D 9.10 Disc drive SCSI timing Table 23: Disc drive SCSI timing These values are not current Cheetah X15 36LP values, but are listed for information only. Waveform Waveform Description symbol [1] table [1] Typical timing <1 µs Target Select Time (no Arbitration)

  • Page 82: Drive Activity Led

    Cheetah X15 36LP Product Manual, Rev. D Table 23: Disc drive SCSI timing (Continued) These values are not current Cheetah X15 36LP values, but are listed for information only. Waveform Waveform Description symbol [1] table [1] Typical timing 0.12 µs ±1 µs Next CDB Byte Access (Byte 10 of 10) T23.10.10 4.5-4...

  • Page 83: Seagate Technology Support Services

    FAX 24 hours daily. Presales Support Presales Support Our Presales Support staff can help you determine which Seagate products are best suited for your specific application or computer system. Technical Support If you need help installing your drive, consult your dealer. Dealers are familiar with their unique system configu- rations and can help you with system conflicts and other technical issues.
  • Page 84 Cheetah X15 36LP Product Manual, Rev. D Customer Service (CSO) Warranty Service Seagate offers worldwide customer support for Seagate drives. Seagate direct OEM, Distribution and System Integrator customers should contact their Seagate service center representative for warranty information. Other customers should contact their place of purchase.
  • Page 85 Cheetah X15 36LP Product Manual, Rev. D Spain 900-98 31 24 Sweden 0 207 90 073 Switzerland 0 800-83 84 11 Turkey 00 800-31 92 91 40 United Kingdom 0 800-783 5177 FAX Services—All European Countries Presales/Technical Support/Warranty Service 31-20-653-3513 Africa/Middle East Support Services For presales, technical support, warranty service and FAX services in Africa and the Middle East, dial our European call center at +31-20-316-7222 from 8:30...
  • Page 86 Cheetah X15 36LP Product Manual, Rev. D...
  • Page 87 Cheetah X15 36LP Product Manual, Rev. D Index cabinet cooling 40 cable 55 Symbols cache 9 +5 and +12 volt supplies 21 cache buffer 6 cache miss 10 Numerics cache mode 9 cache operation 9 68 conductor connector 59 cache operation hit 11 68-pin connector 60 cache segment 10 80 conductor connector 59...
  • Page 88 Cheetah X15 36LP Product Manual, Rev. D DC power requirements 21 embedded servo 6 DC power source 59 EMC compliance 3 dedicated landing zone 5 EMI requirements 3 default 38 environment 40 default mode parameter 35 environmental control 30 default value 48 environmental interference 13 defect/error management 33 environmental limits 27...
  • Page 89 Cheetah X15 36LP Product Manual, Rev. D DC power 59 medium error 14 host I/O signal 35 message protocol 54 host system 35 message protocol system 34 host system malfunction 13 messages host/drive operational interface 13 SCSI interface 43 hot plug 6 miscellaneous features 53 humidity 27 mode page 01 48...
  • Page 90 SCSI systems error 34 QAS 43 SCSI systems error consideration 33 Quick Arbitration and Selection (QAS) 43 SCSI systems error management 34 Seagate support service 35 sector 10 sector interleave 8 radio interference regulations 3 sector size 7 read 10...
  • Page 91 Cheetah X15 36LP Product Manual, Rev. D segment 9 terminator power 70 self-contained 10 terminator requirements 35 Self-Monitoring Analysis and Reporting Technology. thermal monitor 16 See S.M.A.R.T. TP1 position 39 SE-LVD alternative 68 tracks/inch 8 sense key 14 tracks/surface, total 8 sequential read operations 11 transfer period 54 service...
  • Page 94 Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100139872, Rev. D, Printed in USA...

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