Lenovo ThinkServer RD630 Hardware Maintenance Manual page 170

9. Remove the power supply cooling shroud.
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Figure 122. Removing the power supply cooling shroud
10. Remove all memory modules. See "Removing a memory module" on page 87.
11. Remove the TMM Premium if one is installed. See "Removing the TMM Premium" on page 104.
12. Remove the TPM if one is installed. See "Removing the TPM" on page 107.
13. Remove the system board battery. See "Replacing the system board battery" on page 152.
14. Remove the heat sink(s). See "Installing or replacing a heat sink" on page 113.
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ThinkServer Hardware Maintenance Manual