Replacing the processor
CAUTION Use extreme care when installing or removing a processor. The exposed socket
pins are extremely fragile. Damaged sockets will require a board replacement.
Lift the processor out of the socket— do not slide the processor on the socket.
When installing a processor, align the dimples on the side of the processor with the notches in
the socket.
1. Disconnect power from the system ( Pre-disassembly procedures on page 55). Remove the access
panel (
Access panel on page 61), the CPU heatsink (Removing the CPU heatsink on page 91),
and the processor (
Removing the processor on page 94).
2. Raise the processor socket handle fully.
3. If necessary, remove the bypass board from the socket. Align the notches in the processor base
with the tabs on the socket. Seat the processor into the socket. Ensure that the underside of the
processor is level with the top of the processor socket. Close the processor cover plate. Lightly
press down on the processor cover plate while closing the socket lever.
Figure 4-52 Seating the processor
System board
Removing the system board
1. Disconnect power from the system ( Pre-disassembly procedures on page 55), and remove the
access panel (
Access panel on page 61). Place the workstation on its side with the system board
facing up. Remove all expansion boards, external cables, graphics cards (
Removing PCI or PCI
Express cards on page 76), and the CPU heatsink (Processor heatsink on page 91). Remove the
system and memory fan assemblies.
2. Disconnect all cables from the system board.
NOTE Make note of the cable connections before disconnecting them from the system
board. See
Power connections to drives on page 81for more information.
96 Chapter 4 Removal and replacement procedures ENWW
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