B Hard Drive Installation Guidelines; Using The Cable-Select Feature With Ultra Ata Devices; Guidelines For Installing Ultra Ata Devices - HP d325 Hardware Reference Manual

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Hard Drive Installation Guidelines

Using the Cable-Select Feature with Ultra ATA

Devices

✎

Hardware Reference Guide

Optional drives are available from Compaq in kits that include a

special drive cable. The configuration of the drive employs a

cable-select feature that identifies the drive as device 0 (master drive)

or device 1 (slave drive).

Device 1 is the drive connected to the cable's middle connector.

Device 0 is the drive connected to the cable's end connector (applies

only to 80-conductor ATA cables). See "Guidelines for Installing

Ultra ATA Devices" in this appendix for an example of an Ultra

ATA cable.

Compaq hard drives ship with jumpers preset to cable-select mode;

therefore, no jumper setting changes on the existing or optional drives

are required. If you purchase a third-party hard drive, refer to the

documentation included with the kit to ensure proper installation and

configuration of cables.

If installing a second device on the primary controller, you must use

an 80-conductor Ultra ATA cable for optimal performance. This cable

is standard on select models.

When installing additional Ultra ATA drives, follow these guidelines:

■

If using multiple Ultra ATA devices, Compaq recommends that

the devices be split between the primary and secondary Ultra

ATA channels for optimum performance. Use an additional

Ultra ATA cable to connect the additional device to the system

board.

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