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Lenovo ThinkServer TD350 70DG User Manual And Hardware Maintenance Manual Page 173

Machine types: 70dg, 70dh, 70dj, 70dk, 70dl, 70dm, 70dn, and 70dq user guide.
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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. 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 66.
4. Remove the cooling shroud. See "Removing the cooling shroud" on page 69.
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 83.
7. Remove all PCIe cards, including the Ethernet card and RAID card. See "Removing a PCIe card"
on page 87.
8. Remove the TPM if one is installed. See "Removing the TPM" on page 104.
9. Remove the TSM Premium if one is installed. See "Removing the TSM Premium" on page 101.
10. Remove the SD module if one is installed. See "Installing or removing the SD module" on page 89.
11. Remove the coin-cell battery. See "Replacing the coin-cell battery" on page 156.
12. Remove the heat sinks. See "Replacing the heat sink" on page 154.
13. Remove the PCIe card holders. See "Removing and reinstalling the PCIe card holder" on page 74.
14. Remove any installed system fan that impedes your access to cables and then disconnect all cables
from the system board.
Chapter 6
Replacing hardware


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