Removing And Replacing The Processor Board Assembly; Removing The Processor Board Assembly - HP AB464-9003F Service Manual

8. Slide the processor board assembly into the chassis until it begins to seat into the socket
located on the midplane board.
9. Push the processor board access door upward until it locks into position.
10. Replace the memory carrier assembly. See
(page 205).
11. Replace the memory carrier assembly cover. See
Cover" (page
12. Close the top cover release lever.
13. If rack installed, slide the server completely into the rack. See
Rack" (page
14. Reconnect the power cables and power on the server. See
(page 89).

Removing and Replacing the Processor Board Assembly

The processor board assembly holds one, two, three, or four dual-core Itanium processors. It is
located beneath the disk drives and memory carrier assembly in the bottom service bay. The
processor board is mounted onto a removable carrier tray that is retained in the service bay by
a hinged access door.
WARNING!
disconnected from the server prior to performing this procedure.
Voltages are present at various locations within the server whenever an AC power source is
connected. This voltage is present even when the main power switch is in the off position.
Failure to observe this warning can result in personal injury or damage to equipment.
CAUTION:
follow ESD safety precautions can result in damage to the server.

Removing the Processor Board Assembly

To remove the processor board assembly, follow these steps:
1. Power off the server and disconnect the power cables. See
(page 89).
2. If rack installed, slide the server out from the rack until it stops. See
from the Rack" (page
3. Unlatch the cover release lever on the top cover and remove the memory carrier assembly
cover. See
NOTE:
the top cover release lever must be open. You must remove the memory carrier because it
attaches directly to the processor board.
4. Remove the memory carrier assembly. See
(page 204).
5. Press the button located on top of the bezel and directly in front of the memory carrier
assembly to release the processor board access door
CAUTION:
Do not force the door to open to a greater angle. Failure to observe this warning results in
damage to server components.
6. Use the processor board assembly access door as a handle and gently slide the assembly
out of the chassis approximately six inches.
180).
177).
Ensure that the system is powered off and all power sources have been
Observe all ESD safety precautions before attempting this procedure. Failure to
176).
"Removing the Memory Carrier Assembly Cover" (page
You do not need to fully remove the top cover to service this component; however,
The processor board access door opens to approximately a 30 degree angle.
"Replacing the Memory Carrier Assembly"
"Replacing the Memory Carrier Assembly
"Powering On the Server"
"Powering Off the Server"
"Removing the Memory Carrier Assembly"
(Figure
Removing and Replacing the Processor Board Assembly 215
"Inserting the Server into the
"Extending the Server
179).
72).