System Board - HP xw4550 Service And Technical Reference Manual

3. To properly align the processor with the socket, orient the small triangle image located on one
corner of the processor circuit board to the matching triangle image on one corner of the processor
socket (see illustration below). With all processor pins properly aligned, press the processor straight
down into the socket until the processor is seated.
Figure 4-52
4. Ensure that the underside of the processor is sitting level with the top of the processor socket, then
press lightly on the top of the processor while simultaneously closing the socket lever to the locked
position (as shown in the above illustration).
5. Check for proper processor seating in the socket by carefully trying to lift the processor out of the
socket with your fingers. A properly seated processor does not lift out of the socket.

System board

To remove the system board:
1. Disconnect power from the system
access panel
2. Disconnect all cabling from the system board and remove all I/O cards.
NOTE:
Refer to
information.
NOTE:
3. Press the release tab (1) as shown in the following illustration.
98 Chapter 4 Removal and replacement procedures
Seating and locking the processor
(Side access panel on page
Make note of the cable connections before disconnecting them from the system board.
Workstation power connections to drives and the system board on page 83
It is not necessary to remove the processor heatsink before removing the system board.
(Predisassembly procedures on page
62), remove all expansion boards, and graphics cards.
57) and remove the side
for more
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