Supermicro SuperWorkstation SYS-531AD-I User Manual page 31

5. To install the heatsink correctly, make sure
the pogo pin contacts are properly touching
the pogo pins on the motherboard. Refer to
the illustration on the right for the locations
of pogo pin contacts and pogo pin headers
(JLED_POGO1 and JLED_POGO2).
6. Resecure the M.2 heatsink in place with the
mounting screws removed in Step 1.
Chapter 3: Maintenance and Component Installation
Heatsink with
LED for M.2-C1
Pogo Pin
Contacts
31
Pogo Pin
Contacts
Pogo Pin Header
(JLED_POGO2)
Heatsink with
LED for M.2-P1
Pogo Pin Header
(JLED_POGO1)