Step 2.
Connect cables to the power distribution board.
Step 3.
Install the power distribution board cover. See “Installing the power distribution board cover” on
page 152.
Step 4.
Connect the cables to the power supply connector, microprocessor power connector, and power
distribution board connector on the system board. See “System-board connectors” on page 21.
Attention:
When connecting the cable to the system board, do not grab the wires. Grab the
connector to vertically connect the cable to the system board.
Figure 94. Connecting the power cable connector to the system board
Step 5.
Complete the parts replacement. See “Completing the parts replacement” on page 172.
Removing the system board
Before you start, notice the following information:
• After you replace the system board, you must either update the server with the latest firmware or restore
the pre-existing firmware that the customer provides on a CD image. Make sure that you have the latest
firmware or a copy of the pre-existing firmware before you proceed.
• When you replace the system board, make sure that you remove the Integrated Management Module II
(IMM2) Advanced Upgrade and place it on the new system board. .
• Before you replace the system board, make sure that you back up any Features on Demand (FoD) keys
that were enabled. Reactivate FoD after replacing the system board. To activate FoD and install activation
keys automatically, refer to the instructions in the
Lenovo Features on Demand User's Guide
. To download
the document, go to http://www.ibm.com/systems/x/fod/, log in, and click
Help
.
Note:
After you remove the system board, you need to install a new one. See “Installing the system board”
To remove the system board, do the following:
Step 1.
Turn off the server. Then, disconnect all external cables and remove all peripheral devices.
Step 2.
Remove the server cover. See “Removing the server cover” on page 88.
Step 3.
Remove the air baffle. See “Removing the air baffle” on page 90.
Step 4.
Remove the PCI riser-card assembly. See “Removing the PCI riser-card assembly” on page 93.
Step 5.
Record where the cables are connected to the system board; then, disconnect them.
Attention:
Disengage all latches, cable clips, release tabs, or locks on cable connectors
beforehand. See “Internal cable routing” on page 158. Failing to release them before removing
Removing and installing server components
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