Lenovo ThinkServer RD650 User Manual
Page 189
CAUTION:
The heat sinks and microprocessors might be very hot. Turn off the server and wait several 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.
Note: Depending on the model, your server might look slightly different from the illustrations in this topic.
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. Prepare your server. See “Removing or extending the server from the rack cabinet” on page 69.
3. Remove the server cover. See “Removing the server cover” on page 69.
4. Remove the cooling shroud. See “Removing and reinstalling the cooling shroud” on page 72.
5. Remove the system fan cage with the system fans. See “Removing and reinstalling the system fan
6. Record the component locations, cable connections, and cable routing in the server.
7. Remove the two riser card assemblies. See “Replacing the riser card” on page 85.
8. Remove the PCIe cards installed on the system board. See “Removing a PCIe card from the system
9. Remove the rear backplane/cage assembly. See “Removing the rear backplane/cage assembly” on
10. Remove the AnyFabric adapter if one is installed. See “Removing the AnyFabric adapter” on page 118.
11. Remove all memory modules. See “Removing a memory module” on page 85.
12. Remove the TSM Premium if one is installed. See “Removing the TSM Premium” on page 113.
13. Remove the TPM if one is installed. See “Removing the TPM” on page 115.
14. Remove the SD module if one is installed. See “Removing the SD module” on page 111.
15. Remove the coin-cell battery. See “Replacing the coin-cell battery” on page 172.
16. Remove the heat sinks. See “Installing or replacing a heat sink” on page 121.
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