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Hardware Reference Guide www.hp.com B–1
B
PATA Hard Drive Installation Guidelines
Using the Cable-Select Feature with Parallel ATA
(PATA) Devices
Optional drives are available from HP 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 (primary drive) or device 1
(secondary 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
PATA Drives” in this appendix for an example of an PATA cable.
HP 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 PATA cable for optimal performance. This cable is
standard on select models.
Guidelines for Installing PATA Drives
When installing additional drives, follow these guidelines:
■ If using multiple devices, HP recommends that the devices be
split between the primary and secondary channels for optimum
performance. Use an additional cable to connect the additional
device to the system board.
■ 80-conductor PATA cable: