Figure 222. Thermal-grease syringe
Note:
0.01 mL is one tick mark on the syringe. If the grease is properly applied, approximately half
(0.22 mL) of the grease will remain in the syringe.
Step 6.
Install the heat sink onto the microprocessor as described in “Installing a microprocessor and
heat sink” on page 288.
Removing the microprocessor 2 expansion board
Use this information to remove the microprocessor 2 expansion board.
Read the safety information in “Safety” on page v and “Installation guidelines” on page 35.
If you are replacing a server component in the server, you need to turn off the server and peripheral devices,
and disconnect the power cords and all external cables.
To remove the microprocessor 2 expansion board, complete the following steps.
Step 1.
Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention:
Do not allow the server to fall over.
Step 2.
Unlock and remove the left-side cover (see “Removing the left-side cover” on page 184).
Step 3.
Remove the air baffle (see “Removing the air baffle” on page 189).
Step 4.
Remove the fan cage assembly (see “Removing the fan cage assembly” on page 272).
Step 5.
Note where the cables are connected to the microprocessor 2 expansion board; then, disconnect
them.
Attention:
Disengage all latches, release tabs or locks on cable connectors when you disconnect
all cables from the system board (see “Internal cable routing and connectors” on page 312). Failing
to release them before removing the cables will damage the cable sockets on the microprocessor 2
expansion board. The cable sockets on the microprocessor 2 expansion board are fragile. Any
damage to the cable sockets may require replacing the microprocessor 2 expansion board.
Step 6.
Remove any of the following components that are installed on the microprocessor 2 expansion
board and put them in a safe, static-protective place:
• Adapters (see “Removing an adapter” on page 213)
• DIMMs (see “Removing a memory module” on page 261)
• Microprocessors and heat sinks (see “Removing a microprocessor and heat sink” on page 283)
Attention:
Remove the socket cover from the microprocessor socket on the new microprocessor
2 expansion board and place it on the microprocessor socket of the microprocessor 2 expansion
board you are removing.
Step 7.
Loosen the two thumb screws on the release lever and rotate the lever toward the back of the
chassis till the stop point. The microprocessor 2 expansion board will lift up slightly when the
release lever is fully open.
Removing and replacing components
297
Summary of Contents for System x3500 M4
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