Power Supply - HP xw8400 Service And Technical Reference Manual

2. Slide the speaker away from the three flanges and remove it from the chassis.
Figure 4-10

Power supply

1. Disconnect power from the system (
access panel
facing up.
2. Disconnect the power supply from the system board.
CAUTION
PCI Express x16 graphics card and which power cable was disconnected from the system
board. These two cables look similar. The PCI Express power cable has a black connector,
and the power cable has a white connector. When power is present, NEVER connect the
PCI Express power cable to the system board. If you do so, the system board can be
damaged and your warranty voided. To see a picture of the PCI Express cable and where
it must be connected, see the
3. Disconnect the optical drives, diskette drive, hard drives, and graphics card (select models only)
from the power supply.
4. Remove the four screws (1) from the back panel.
5. Slide the power supply toward the front, and lift up (2) to remove it from the chassis.
ENWW
Removing the speaker
(Access panel on page
Be sure you can differentiate which power cable was disconnected from the
Pre-disassembly procedures on page
58). Place the workstation on its side with the system board
PCI or PCI Express installation on page
Removing and replacing components
53), and remove the
73.
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