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2-14 www.hp.com Hardware Reference Guide
Hardware Upgrades
Installing Additional Drives
The computer has two external drive bays. When installing additional
drives, follow these guidelines:
■ For optimal performance, connect hard drives to the primary
controller. Connect expansion devices, such as optical, IDE tape,
and diskette drives, to the secondary controller using an
80-conductor IDE cable.
■ Install guide screws to ensure the drive will line up correctly in
the drive cage and lock in place. HP has provided extra guide
screws (four 6-32 standard screws and four M3 metric screws),
installed in the front of the chassis, behind the bezel. The hard
drive uses 6-32 standard screws. All other drives use M3 metric
screws. The HP-supplied metric screws are black and the
HP-supplied standard screws are silver.
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CAUTION: To prevent loss of work and damage to the computer or drive:
■ If you are inserting or removing a hard drive, shut down the operating
system properly, then turn off the computer. Do not remove a hard
drive while the computer is on or in standby mode.
■ Before handling a drive, ensure that you are discharged of static
electricity. While handling a drive, avoid touching the connector. For
more information about preventing electrostatic damage, see
Appendix F, “Electrostatic Discharge.”
■ Handle a drive carefully; do not drop it.
■ Do not use excessive force when inserting a drive.
■ Avoid exposing a hard drive to liquids, temperature extremes, or
products that have magnetic fields such as monitors or speakers.
■ If a drive must be mailed, place the drive in a bubble-pack mailer or
other suitable protective packaging and label the package “Fragile:
Handle With Care.”