Hitachi DK31CJ-MC Manual de usuario

Quick Installation Guide

3.5 inch Hard Disk Drives

DK31/32CJ-MC/MW

Handling Precautions

1. Do not press on the drive. Hold the drive by the sides only, do not apply any

force to the drive during handling or installation

2. Always handle the drive with care to prevent damage from shock, vibration or

electrostatic discharge (ESD). Do not touch the Printed Circuit Board (PCB).

3. Electrostatic Discharge. Static electricity can damage the drive. Before 

handling the drive, touch an unpainted metal surface for a few seconds to

drain any static electricity from your body.

4. Keep the original packaging and static-protective bag in case the drive has to

be returned.

Mounting Orientation

1. Installation horizontal or vertical ( 6 directions)

2. Provide adequate air flow to cool drive

3. Use 4 mounting screws (6x32 UNC). Maximum screw penetration 3.8mm

(0.15 in) into drive

Cable Specifications

1. Use interface cables that meet the ANSI SCSI guideline.

2. Cable length:

Connector Layout

or implied. Specifications and product offerings subject to change without notice.

All product names and logos are trademarks of their respective owners.

For sales information on Hitachi products: 1-800-HITACHI (1-800-448-2244)

Web Site: http://www.hitachi.com/storage

 DK31CJ-72    DK32CJ-36    DK32CJ-18

Formatted Capacity* (Gbytes)   73.9     36.9     18.4

Bytes per Sector*    512     512     512

#Cylinders/#Heads/#Disks  15154/24/12   15154/12/6   15154/6/3

Maximum LBA*(Hex)   89B88FF    44DC47F    226E23F

Seektime:Average(Read/Write)(ms) 5.6/6.5    5.2/6.0    5.2/6.0

Spindle Speed rpm   10025    10025    10025

Interface Type    SCSI Ultra     160 SCSI Ultra    160 SCSI Ultra 160

Transfer rate (MB/s)    160 max     160 max     160 max

Operating Temperature (C/F)   5-50 /41-122 F    5-50 /41-122 F    5-50 /41-122 F

Power: 12Vpeak(Typ)/5V peak (Typ) (A) 3.25/1.2 2.2/1.2 2.3/1.2

Start Time(s)   25    25     25

Specifications

SCSI InterfaceCableType  Maximum cable length

 

Fast-5   Flat Ribbon or Twisted Pair 6m (16 units max.) 



Fast-10   Flat Ribbon or Twisted Pair 3m (16 units max.) 

Ultra (Fast20) Flat Ribbon or Twisted Pair 3m (4 units max.)

    1.5m (8 units max.)

Interface cable (MW, Single-ended mode)

SCSI InterfaceCable Type Maximum cable length

 

Ultra2(Fast)-40  Flat Ribbon or Twisted Pair 12m (16 units max.)  

Ultra160(Fast-80) Flat Ribbon or Twisted Pair 

Interface cable (MW, LVD mode)

Pin    Function    Removed    Installed

1-3    Termination    N/A   Term. Power to SCSI bus

2-4    Power    N/A    Term. Power not to SCSI bus*

5-6    Reserved

TERMPWR:

Option Jumper Connector C4

or implied. Specifications and product offerings subject to change without notice.

All product names and logos are trademarks of their respective owners.

For sales information on Hitachi products: 1-800-HITACHI (1-800-448-2244)

Web Site: http://www.hitachi.com/storage

Connector Layout (continuation)

Option Jumper Connector C3

SCA-2 LVD 80pin-16bits

Indicates Default Settings IF using C3 connector, C5 must not be used for setting jumpers. Do not Change the reserved jumper pins! Changing will void warranty!

Spare jumpers C3: 14-16, 20-22, and 28-30. These spare jumpers can be used for another setting

Note 3: IF C1 -38pin(AutoStart) is Open; MOTOR STARTS PER C3 PINS 21-22 GND: motor starts only by SCSI commands

0.00.20.40.60.81.0

  MW   MC

Pin Function Removed Installed Function Removed Installed

1-2 ID3 *  ID3 *

3-4 ID2 *  ID2 *

5-6 ID1 *  ID1 *

7-8 ID0 *  ID0 *

9-10     

11-12 Disable Auto Start At power on per C3 pins 13-14* Only by SCSI Command Disable Auto Start Refer note3 below* Only by SCSI Command

13-14 Force SE Mode Single-ended or LVD mode* Only Single-ended mode Force SE Mode Single-ended or LVD mode* Only Single-ended mode

15-16 Reserved   Reserved 

17-18  LED    LED

19-20  Write Protect  Write Enabled*  Write Protected  Write Protect  Write Enabled*  Write Protected

21-22  Enable Delayed  Start At Power on* In 10 sec x ID intervals  Enable Delayed  Start At Power on*  In 10 sec x IID intervals

   after power on   after power on    

23-31  Reserved    Reserved

Quick Installation Guide

3.5 inch Hard Disk Drives

DK31/32CJ-MC/MW

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