Lenovo ThinkServer TD350 70DG, User Manual And Hardware Maintenance Manual, Page: 184 / 220

CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
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 external 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. If the server is installed in a rack cabinet, remove the server from the rack cabinet and place it on a flat,
clean, and static-protective surface. See the Rack Installation Instructions that comes with the server. If
the server is in tower form factor, lay the server on its side for easier operation.
3. Remove the server cover. See “Removing the server cover” on page 70.
4. Remove the cooling shroud. See “Removing the cooling shroud” on page 73.
5. Record the component locations, cable connections, and cable routing in the server.
6. Remove all memory modules. See “Removing a memory module” on page 87.
7. Remove all PCIe cards, including the Ethernet card and RAID card. See “Removing a PCIe card”
on page 91.
8. Remove the TPM if one is installed. See “Removing the TPM” on page 109.
9. Remove the TSM Premium module if one is installed. See “Removing the TSM Premium module” on
page 105.
10. Remove the SD module if one is installed. See “Installing or removing the SD module” on page 93.
11. Remove the coin-cell battery. See “Replacing the coin-cell battery” on page 168.
12. Remove the heat sinks. See “Replacing the heat sink” on page 165.
13. Remove the PCIe card holders. See “Removing and reinstalling the PCIe card holder” on page 78.
14. Remove any installed system fan that impedes your access to cables and then disconnect all cables
from the system board.
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ThinkServer TD350 User Guide and Hardware Maintenance Manual