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CAUTION:
The heat sink and microprocessor might be very hot. Turn off the server and wait three to ve minutes
to let the server cool before removing the server cover.
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
To replace the system board, do the following:
1. Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all
power cords from electrical outlets and disconnect all cables that are connected to the server.
2. Remove the server cover. See “Removing the server cover” on page 85.
3. Lay the server on its side for easier operation.
4. Note down the component locations, cable connections, and cable routing in the server.
5. Remove all memory modules and PCI cards (including the RAID card and Ethernet card) that are currently
installed. See “Removing a memory module” on page 92 and “Removing a PCI card” on page 95.
6. Remove the heat sink and fan assembly. See “Replacing the heat sink and fan assembly” on page 154.
7. Remove the TPM module if one is installed. See “Removing the TPM module” on page 110.
8. Remove the ThinkServer SATA Software RAID 5 key if one is installed. See “Removing the system
board RAID 5 key” on page 104.
9. Remove the ThinkServer iKVM Remote Management Module if one is installed. See “Removing the
iKVM key” on page 107.
10. Remove the system board battery. See “Replacing the system board battery” on page 161.
11. Remove any other parts and disconnect all cables from the system board.
Chapter 6. Installing, removing, or replacing hardware 163