Lenovo ThinkSystem SD550 V3 User Manual page 142

Adjust an M.2 drive retainer
Follow instructions in this section to adjust the position of an M.2 drive retainer on the system board or on the
M.2 boot adapter.
About this task
Sometimes you need to adjust the M.2 drive retainer to a correct keyhole that can accommodate the
particular size of the M.2 drive you wish to install.
Attention:
• Read "Installation Guidelines" on page 43
you work safely.
• Touch the static-protective package that contains the component to any unpainted metal surface on the
node and chassis; then, take the component out of the package and place it on a static-protective
surface.
Procedure
Step 1. Adjust the position of the M.2 retainer on the system board.
a. Rotate the retainer by 90 degrees to the unlocked position; then, lift the retainer from the
system board.
b. Locate the correct keyhole into which the retainer should be installed; then, insert the
retainer into the keyhole, orienting at the unlocked position.
c. Rotate the retainer by 90 degrees to the locked position.
Figure 77. Adjustment of an M.2 drive retainer
After this task is completed
1. Install the required M.2 drive (see
ThinkSystem SD550 V3 User Guide
132
and "Safety inspection checklist" on page 44
"Install an M.2 drive" on page
to make sure that
133).