Lenovo System x3850 X6 Installation And Service Manual page 169

DIMMs and microprocessor LEDs
Use this information to determine the location of the DIMMs and microprocessor LEDs.
The following illustration shows the location of the DIMMs and microprocessor LEDs on the microprocessor
side of the compute book board.
Board error LED
Light path Microprocessor
power LED error LED
The following illustration shows the location of the DIMM LEDs on the non-microprocessor side of the
compute book board.
DIMM 19 - 21
error LEDs
DIMM 22 - 24
error LEDs
DIMM 7 - 12 DIMM 1 - 3
error LEDs error LEDs
(Left side of board)
DIMM 13 - 18
error LEDs
(Right side of board)
DIMM 4 - 6
error LEDs
.
Chapter 4 Troubleshooting
155