HP ProLiant DL580 Gen8 Server - Manual (Page 18)

Component identification 18
DIMM fault identification button
When the DIMM fault LEDs (on page 17 ) indicate that a DIMM is experiencing an error, press the DIMM fault
identification button to illuminate the LED below the affected DIMM (" Memory error LEDs " on page 19 ).
Item Description
1 Board B DIMM fault identification button
2 Board A DIMM fault identification button