Lenovo ThinkSystem SN550, Maintenance Manual

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Step 2. Insert the M.2 drive at an angle (approximately 30 degrees) into the connector and rotate it until the
notch catches on the lip of the retainer; then, slide the retainer forward (toward the connector) to
secure the M.2 drive in the M.2 backplane.
Figure 48. M.2 drive installation
Attention: When sliding the retainer forward, make sure the two nubs on the retainer enter the
small holes on the M.2 backplane. Once they enter the holes, you will hear a soft “click” sound.
Figure 49. M.2 drive installation
After you install an M.2 drive in the M.2 backplane, complete the following steps:
1. Install the M.2 backplane (see “Install the M.2 backplane” on page 61).
2. Install the compute node cover (see “Install the compute node cover” on page 43 ).
3. Install the compute node into the chassis (see “Install the compute node in the chassis” on page 25 ).
4. Power on the compute node.
Chapter 3
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Hardware replacement procedures
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