Lenovo ThinkServer TD340 User Manual And Hardware Maintenance Manual page 206

CAUTION:
The heat sinks and microprocessors might be very hot. Turn off the server and wait three to five
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. Remove the server cover. See "Removing the server cover" on page 85.
3. Lay the server on its side for easier operation.
4. Record the component locations, cable connections, and cable routing in the server.
5. Remove all memory modules. See "Removing a memory module" on page 99.
6. Remove all PCI Express cards, including the Ethernet cards and RAID card. See "Removing the Ethernet
card" on page 103 and "Removing the RAID card" on page 106.
7. Remove the TPM if one is installed. See "Removing the ThinkServer Trusted Platform Module" on
page 120.
8. Remove the TR 100 or TR 300 Key if one is installed. See "Removing the TR 100 or TR 300 Key" on
page 114.
9. Remove the TMM Premium if one is installed. See "Removing the TMM Premium" on page 117.
10. Remove the system board battery. See "Replacing the system board battery" on page 191.
11. Remove the front system fans. See "Replacing the front system fan 1" on page 183.
12. Remove the heat sink and fan assemblies. See "Replacing the heat sink and fan assembly 1" on
page 188.
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ThinkServer TD340 User Guide and Hardware Maintenance Manual