Lenovo ThinkSystem SR850, Maintenance Manual

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5. Disconnect the USB 3.0 cable of operator panel tray assembly, and remove it vertically from the system
board.
Figure 66. Removing USB 3.0 connector vertically
6. Remove PCIe riser-card if necessary (see “Remove the PCIe riser-card assembly” on page 86).
7. Remove LOM adapter if necessary (see “Remove the LOM adapter” on page 71).
To remove the M.2 backplane, complete the following steps:
Step 1. Remove the M.2 backplane from the system board by pulling up on both ends of the backplane at
the same time.
Note: Pull the M.2 backplane straight up when removing it from the system board.
Figure 67. M.2 backplane removal
To remove an M.2 drive from the M.2 backplane, see “Remove an M.2 drive from the M.2 backplane” on
page 77.
If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Chapter 3
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Hardware replacement procedures
75