HP Enterprise ProLiant DL20 Gen11 User Manual page 131

6. Remove the access panel .
7. Remove the OCP air baffle.
8. Remove the processor air baffle.
9. Install the hex nut from the iLO-M.2 serial module option kit on the M.2 standoff location.
M.2 2280
HPE ProLiant DL20 Gen11 Server User Guide 131