B–2 www.hp.com Hardware Reference Guide
PATA Hard Drive Installation Guidelines
❏ 18 inches maximum total length, 80-conductor cable with
maximum spacing of 6 inches between Device 0 and
Device 1.
80-Conductor PATA Cable
■
For optimal performance, connect hard drives to the primary
controller. Connect expansion devices, such as ATA optical drives
and tape drives, to the secondary controller.
■ Install either a third-height or a half-height drive into a
half-height bay.
■ Install guide screws to ensure that the drive lines up correctly in
the drive cage. Hard drives use 6-32 standard guide screws. Four
extra guide screws are installed on the hard drive bracket under
the access panel. HP-supplied standard screws are silver.
■ If only one device is connected to a cable, that device must be
attached to the end (Device 0) connector.
✎
If you have only one device, make sure to connect it to the Device 0
connector. If you connect it to the Device 1 connector, the system will
not recognize the device and you may receive a “no fixed disk found”
error message.
1 Device 0 (primary drive) connector
2 Device 1 (secondary drive) connector
3 System board connector
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