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Western Digital WDE4360 manuel d'utilisation

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Table des matières du manuel d’utilisation

  • Page 1

    W estern D igital SCSI Hard Drives WD Enterprise T echnical R efer ence Manual[...]

  • Page 2

    © 1997 Western Digital Corporation All Rights Reserved Information furnished by Western Digital Corporation is believed to be accurate and reliable. No license is granted by implication or otherwise under any patent or patent rights of Western Digital Corporation. Western Digital Corporation reserves the right to change specifications at any time [...]

  • Page 3

    4079-001045 Rev. B RELEASED 04-08-97 WD Enterprise WDE2170/WDE4360 (CCC: A9) Technical Reference Manual[...]

  • Page 4

    RELEASED 04-08-97 4079-001045 Rev. B[...]

  • Page 5

    WD Enterprise WDE2170/WDE4360 Table of Contents 4079-001045 Rev. B RELEASED 04-08-97 i T T ABLE OF ABLE OF C C ONTENTS ONTENTS 1. D ESCRIPTION AND F EATURES ............................................................................. 1 1.1. General Description.........................................................................................[...]

  • Page 6

    Table of Contents WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B ii 3.15. LED Support ......................................................................................................................... 23 3.16. Option Block Functions ..........................................................................................[...]

  • Page 7

    WD Enterprise WDE2170/WDE4360 Table of Contents 4079-001045 Rev. B RELEASED 04-08-97 iii L L IST OF IST OF F F IGURES IGURES Figure 2-1. 50-pin Drive Dimensions .......................................................................................... 7 Figure 2-2. 68-pin Drive Dimensions ............................................................[...]

  • Page 8

    Table of Contents WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B iv L L IST OF IST OF T T ABLES ABLES Table 2-1. WDE2170/4360 Performance Specifications ............................................................ 4 Table 2-2. WDE2170/4360 Physical Specifications ..................................................................[...]

  • Page 9

    WD Enterprise WDE2170/WDE4360 Description and Features 4079-001045 Rev. B RELEASED 04-08-97 1 1. D ES CRI P T ION A ND F EA TUR ES 1.1. General Description Designed to set a new direction in mass storage solutions, the WD Enterprise™ low- profile 3.5-inch hard drives are the first in a family of 7200 RPM products. The outstanding performance, cap[...]

  • Page 10

    Description and Features WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 1.2. Advanced Features Product Features Formatted Capacities of 2.17 GB and 4.36 GB Low-profile 1-Inch (25.4 mm) in Height 7200 RPM Spindle Speed SCSI-3 SPI Compliant; Ultra Fast/Ultra Fast Wide with SCA-2 interface supported 512 kilobytes Programmable Mul[...]

  • Page 11

    WD Enterprise WDE2170/WDE4360 Description and Features 4079-001045 Rev. B RELEASED 04-08-97 3 1.3. Options Upon request, the following options are incorporated at the time of production. Data Buffer of 1 Megabyte The standard data buffer size is 512 kilobytes. You may order a 1 megabyte option. For more details, refer to the interface matrix table [...]

  • Page 12

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 4 2. S P EC IFICA T IONS 2.1. Performance Specifications Table 2-1. WDE2170/4360 Performance Specifications PERFORMANCE CRITERIA WDE2170/WDE4360 SPECIFICATIONS Average Seek • Read • Write 8 ms 9.5 ms Track-to-Track Seek • Read • Write 1 ms 2.5 ms Full Stroke S[...]

  • Page 13

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 5 2.2. Physical Specifications Table 2-2. WDE2170/4360 Physical Specifications Physical Specifications WDE2170 WDE4360 Formatted Capacity 1 2170 MB 4360 MB Interface(s) Ultra Fast • (50-pin) Ultra Fast Wide • (68-pin) 2 • (80-pin SCA-2) Ultra Fast • (50-pin) U[...]

  • Page 14

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 6 2.2.1. Physical Dimensions Table 2-3. WDE2170/4360 Physical Dimensions Physical U.S. Metric Characteristic Dimension Tolerance Dimension Tolerance Height 1.00 inch ± 0.02 inch 25.4 mm ± 0.51 mm Length 5.75 inches ± 0.02 inch 146.05 mm ± 0.51 mm Width 4.00 inches[...]

  • Page 15

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 7 2.3. Mechanical Specifications Figure 2-1 through Figure 2-3 show the mounting dimensions and locations of the screw holes for the WDE2170 and WDE4360 drives. Figure 2-1. 50-pin Drive Dimensions Table 2-4. 50-pin Drive Dimensions Dimension Inches Millimeters A1 4.00[...]

  • Page 16

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 8 Figure 2-2. 68-pin Drive Dimensions Table 2-5. 68-pin Drive Dimensions Dimension Inches Millimeters A1 4.000 ± .020 101.60 ± 0.51 A2 3.750 ± .010 95.25 ± 0.25 A3 2.375 ± .010 60.32 ± 0.25 A4 1.750 ± .010 44.45 ± 0.25 A5 5.750 ± .020 146.05 ± 0.51 A6 .625 ?[...]

  • Page 17

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 9 Figure 2-3. 80-pin Drive Dimensions Table 2-6. 80-pin Drive Dimensions Dimension Inches Millimeters A1 4.000 ± .020 101.60 ± 0.51 A2 3.750 ± .010 95.25 ± 0.25 A3 2.375 ± .010 60.32 ± 0.25 A4 1.750 ± .010 44.45 ± 0.25 A5 5.750 ± .020 146.05 ± 0.51 A6 .625 ?[...]

  • Page 18

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 10 2.3.1 . Mounting The WD Enterprise drives feature side and bottom mounting holes, which allow the drive to be mounted in any orientation. See Figure 2-4 for orientation axes. The hard drive is a precision mechanical assembly. Improper mounting may distort the drive[...]

  • Page 19

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 11 2.4. Electrical Specifications 2.4.1. Current Requirements and Power Dissipation Table 2-7. WDE2170 Current Requirements and Power Dissipation Operating Mode Current Population Mean + 4 Sigma Current Population Mean Power Pop Mean + 4 Sigma Power Population Mean 12[...]

  • Page 20

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 12 2.4.2. 12V Current Profile The following graphs show the +12V current profile for the WDE2170 and WDE4360 drives during spin-up and run. Figure 2-5. WDE2170 +12V Current Profile 0 1 2 3 4 5 6 7 8 9 1 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 T IM E (Second s ) CURRENT ( [...]

  • Page 21

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 1 3 2.4.3. Input Voltage Requirements The input voltage requirements for the WDE2170 and WDE4360 are as follows: + 5V ± 5% and + 12V ± 5% 2.4.4. Ripple Table 2-9. Voltage Ripple +12 VDC +5 VDC Maximum Start: 400 mV (peak-to-peak) Run: 150 mV (peak-to-peak) 100 mV (p[...]

  • Page 22

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 14 2.5. Environmental Specifications 2.5.1. Shock and Vibration All shock and vibration specifications apply to the mounting and orientation conditions described in section 2.3. Orientation axes are defined in Figure 2-4. Table 2-10. Shock and Vibration Shock Operatin[...]

  • Page 23

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 1 5 Operating Vibration WD Enterprise drives are tested by applying a continuous swept sine excitation in each linear axis, one axis at a time. Sweep rate is one octave per minute. The drive incurs no physical damage and no hard errors while subjected to continuous vi[...]

  • Page 24

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 16 2.5.2. Temperature and Humidity Table 2-11. Temperature and Humidity Temperature and Humidity Operating 1 Temperature Humidity Thermal Gradient 5°C to 55°C (41°F to 131°F) 10-90% RH non-condensing 33°C (maximum wet bulb) 10°C/hour (maximum) Non-Operating Temp[...]

  • Page 25

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 1 7 2.5.4 . Atmospheric Pressure Table 2-13. Allowable Altitude Ranges Altitude Operating -1,000 feet to 10,000 feet (-300m to 3,000m) Non-operating -1,000 feet to 40,000 feet (-300m to 12,000m) 2.5.5. Acoustics Table 2-14. Sound Power Level Mode Typical Maximum Idle [...]

  • Page 26

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 18 Figure 2-7. Drive Baseplate Thermocouple Location[...]

  • Page 27

    WD Enterprise WDE2170/WDE4360 Specifications 4079-001045 Rev. B RELEASED 04-08-97 1 9 Figure 2-8. PCBA Thermocouple Locations[...]

  • Page 28

    Specifications WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 0 2.6. Reliability Specifications Table 2-15. WDE2170 and WDE4360 Reliability Parameters Recoverable Data Error Rate: Less than 10 in 10 11 bits read Unrecoverable Data Error Rate: Less than 1 in 10 14 bits read Miscorrected Data Error Rate: Less than 1 in 10 21 bit[...]

  • Page 29

    WD Enterprise WDE2170/WDE4360 Advanced Product Features 4079-001045 Rev. B RELEASED 04-08-97 2 1 3. A DV A NCED P RODUCT F EA TUR ES 3.1. Compatibility Testing Western Digital performs extensive testing in its Functional Integrity Test Lab (FIT Lab™). By equipping the FIT Lab with multiple host systems, adapters, operating systems, and applicatio[...]

  • Page 30

    Advanced Product Features WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 2 3.8. Command Queuing and Reordering The drives support both tagged and untagged queuing. Tagged queuing allows the drive to receive multiple I/O processes from each initiator. Untagged queuing allows the drive to receive a maximum of one I/O process fro[...]

  • Page 31

    WD Enterprise WDE2170/WDE4360 Advanced Product Features 4079-001045 Rev. B RELEASED 04-08-97 23 3.13. Zoned Recording The drives employ zoned recording to increase data density on the outer tracks of the drive. Zoned recording allows the adjustment of the number of sectors per track, which provides storage of more sectors on the larger, outer track[...]

  • Page 32

    Advanced Product Features WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 4 3.16. Option Block Functions The firmware uses several pins on the option block to modify the drive characteristics. The definitions for the jumpers follow: SCSI ID: Four jumpers are used to identify the default SCSI ID for the drive. Disable Auto Start[...]

  • Page 33

    WD Enterprise WDE2170/WDE4360 Advanced Product Features 4079-001045 Rev. B RELEASED 04-08-97 25 3.17. Error Recovery Operations Error recovery options are set using MODE SELECT Page 1 (Read/Write Error Recovery Page) and the Write Recovery Threshold and Read Recovery Threshold fields in MODE SELECT Page 0 (WD Vendor Unique Page). The drive employs [...]

  • Page 34

    Advanced Product Features WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 6 3.19. Hot Plug/Unplug Support The conditions for hot-plugging drives into an active SCSI bus follow: The drive signal ground must be made before the SCSI bus signals. Power—both +5V and +12V—cannot be applied until the SCSI bus signals are connected[...]

  • Page 35

    WD Enterprise WDE2170/WDE4360 SCSI Interface and Command Set 4079-001045 Rev. B RELEASED 04-08-97 27 4. SCSI I N T ERF A CE A N D C O MMAND S ET Refer to the Western Digital SCSI Implementation Guide (document number 4096-001116).[...]

  • Page 36

    The Option Block WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 2 8 5. T HE O PTI ON B LOCK The WD Enterprise drive PCBA contains an option block that controls the drive’s operation. This block is equipped with jumper pins that correspond to various options controlled by SCSI commands. Jumpers are used to enable or disable the[...]

  • Page 37

    WD Enterprise WDE2170/WDE4360 The Option Block 4079-001045 Rev. B RELEASED 04-08-97 29 5.3. Option Block Pin Assignments The option block is used to modify the drive characteristics. The table below shows the pin numbers that correspond to each option or signal, and provides instruction for enabling and disabling these features. Refer to the WD Ent[...]

  • Page 38

    The Option Block WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 30 5.4. SCSI ID Jumper Table Table 5-2. SCSI ID Jumper Table JUMPER LOCATION SCSI ID Pins 7 & 8 Pins 5 & 6 Pins 3 & 4 Pins 1 & 2 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 * If any device on your comp uter’s SCSI bus supports only 8-bit SCSI IDs, the WD[...]

  • Page 39

    WD Enterprise WDE2170/WDE4360 SCSI Connectors 4079-001045 Rev. B RELEASED 04-08-97 31 6. SCSI C O NNEC TO R S 6.1. Power Connectors and Cables Table 6-1. 50-pin Drive Power Connector and Cable POWER CONNECTOR MATING CONNECTOR WIRE GAUGE AMP 2-in-1 1x4 PC power connector 18 A WG Table 6-2. 68-pin Drive Power Connector and Cable POWER CONNECTOR MATIN[...]

  • Page 40

    SCSI Connectors WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 32 6.3. 50-Pin SCSI Connector Figure 6-1. 50-Pin SCSI Connector and Power Connector Pin Numbers 50 49 51 52 2 1 53 54 DRIV E OUTLI NE[...]

  • Page 41

    WD Enterprise WDE2170/WDE4360 SCSI Connectors 4079-001045 Rev. B RELEASED 04-08-97 3 3 Table 6-3. 50-Pin SCSI Connector Pin Assignments SINGLE-ENDED SCSI CONNECTOR Signal Name Pin Number Signal Name GROUND 1 2 -DB0 GROUND 3 4 -DB1 GROUND 5 6 -DB2 GROUND 7 8 -DB3 GROUND 9 10 -DB4 GROUND 11 12 -DB5 GROUND 13 14 -DB6 GROUND 15 16 -DB7 GROUND 17 1 8 -D[...]

  • Page 42

    SCSI Connectors WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 34 6.4. 68-Pin SCSI Connector Figure 6-2. 68-Pin SCSI Connector, Remote Option Connector, and Power Connector Pin Numbers 81 82 83 84 80 79 70 69 68 34 35 1 DRI VE OUT LI NE[...]

  • Page 43

    WD Enterprise WDE2170/WDE4360 SCSI Connectors 4079-001045 Rev. B RELEASED 04-08-97 3 5 Table 6-5. 68-pin SCSI Connector Pin Assignments SINGLE-ENDED SCSI CONNECTOR DIFFERENTIAL SCSI CONNECTOR (OPTIONAL) Signal Name Pin Number Signal Name Signal Name Pin Number Signal Name GROUND 1 35 -DB12 +DB12 1 35 -DB12 GROUND 2 36 -DB13 +DB13 2 36 -DB13 GROUND [...]

  • Page 44

    SCSI Connectors WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 36 Table 6-6. Remote Option for 68-Pin Connector (single-ended and differential versions) Signal Name SFF-8009 Signal Name SFF-8009 Pin Number Pin Number SFF-8009 Pin Number SFF-8009 Signal Name Signal Name SCSI ID 0 SEL0- 1 69 70 2 XTFALT- GROUND SCSI ID 1 SEL1- 3 7[...]

  • Page 45

    WD Enterprise WDE2170/WDE4360 SCSI Connectors 4079-001045 Rev. B RELEASED 04-08-97 3 7 Table 6-8. 80-Pin (SCA-2) SCSI Connector Pin Assignments SINGLE-ENDED SCSI CONNECTOR Signal Name Pin Number Signal Name +12 VOLTS 1 41 +12V GND +12VOLTS 2 42 +12V GND +12VOLTS 3 43 +12V GND +12VOLTS 4 44 MATED1 reserved 5 45 reserved reserved 6 46 GROUND -DB11 7 [...]

  • Page 46

    Installation and Maintenance WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 38 7. I N S T A LLA TION A ND M AI NT E NAN C E For instructions on installing the drive, including drive handling and mounting, determining the configuration, setting the drive jumpers, and cabling procedures, refer to the WD Enterprise Installation Gui[...]

  • Page 47

    WD Enterprise WDE2170/WDE4360 Technical Support 4079-001045 Rev. B RELEASED 04-08-97 3 9 8. T E CHNIC A L S U PPORT If you have a problem with your WD Enterprise drive, the following tips may help determine the cause of the problem. Verify that you have correctly followed the setup procedures for your system. Check the physical installation: − Ju[...]

  • Page 48

    Glossary WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 40 9. G L O S S ARY Active Termination - Works to control the impedance at the end of the SCSI bus by using a voltage regulator. This reduces the susceptibility of the bus to noise, particularly when cables are long or when many devices are connected to the bus. Because it [...]

  • Page 49

    WD Enterprise WDE2170/WDE4360 Glossary 4079-001045 Rev. B RELEASED 04-08-97 41 Formatted Capacity - Actual capacity available to store data in a mass storage device. The formatted capacity is the gross capacity minus the capacity taken up by the overhead data required for formatting the media. Functional Integrity Testing (FIT) - Suite of tests Wes[...]

  • Page 50

    Glossary WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 42 Servo Burst - Provides positioning information to the actuator arm, usually positioned between sectors or at the end of a track. Single-ended SCSI - Standard electrical interface for SCSI. Single-ended means an interface with one signal line and one corresponding ground [...]

  • Page 51

    WD Enterprise WDE2170/WDE4360 Appendix A. — Understanding the Model Number 4079-001045 Rev. B RELEASED 04-08-97 4 3 10. A PPEN DI X A. — U N DER ST A N DI N G THE M OD EL N UMB ER The diagram illustrates the model number convention for WD Enterprise drives. The table illustrates the interface matrix portion of the model number. INTERFACE MATRIX[...]

  • Page 52

    Index WD Enterprise WDE2170/WDE4360 RELEASED 04-08-97 4079-001045 Rev. B 44 11. I NDE X —A— Acoustics, 17 Actuator Type, 5 Adaptive Caching, 21 Agency Approvals, 20 AOL, 39 Atmospheric Pressure, 17 Auto Park, 40 —B— Block, 40 Bring Up Sequence, 13 Buffer, 40 Buffer Size, 4 Bytes Per Sector, 5 —C— Command Queuing, 22 Command Reordering, [...]

  • Page 53

    WD Enterprise WDE2170/WDE4360 Index 4079-001045 Rev. B RELEASED 04-08-97 4 5 —R— Read Caching, 21 Recording Method, 5 Recoverable Error, 41 Reed Solomon ECC, 22 Ripple, 13 Rotational Speed, 4 RPM, 4, 41 —S— S.M.A.R.T., 25, 41 Safety, 20 SCA-1, 41 SCSI Connector, 31 50-Pin, 32 68-Pin, 34 SCSI Connectors, 31 SCSI device, 41 SCSI Drive Connect[...]

  • Page 54

    H0300 4/97[...]