Lenovo ThinkStation P320 Hardware Maintenance Manual page 128

Figure 100. Pivoting the drive bay assembly upward
5. Remove all installed memory modules and PCIe cards. See "Memory module" on page 77 and "PCIe
card" on page 71.
6. Remove the heat sink and fan assembly. See "Heat sink and fan assembly" on page 105.
7. Record the cable routing and cable connections and then disconnect all cables from the system board.
See "Parts on the system board" on page 11.
8. Remove the eight screws that secure the system board in the sequence as shown.
Figure 101. Removing the eight screws that secure the system board
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P320 Hardware Maintenance Manual