IBM System x3500 M2 Type 7839 - System-Board Leds

System-board LEDs
The following illustration shows the LEDs on the system board.
PCI slot 1
error LED
PCI slot 2
error LED
PCI slot 3
error LED
PCI slot 4
error LED
PCI slot 5
error LED
PCI slot 6
error LED
System board
error LED
Battery error LED
DIMM 8 error LED
DIMM 7 error LED
DIMM 6 error LED
DIMM 5 error LED
DIMM 4 error LED
DIMM 3 error LED
DIMM 2 error LED
DIMM 1 error LED
DIMM 16 error LED
DIMM 15 error LED
DIMM 14 error LED
DIMM 13 error LED
DIMM 12 error LED
DIMM 11 error LED
DIMM 10 error LED
DIMM 9 error LED
Microprocessor 2 error LED
Microprocessor mismatch LED
H8 heartbeat
LED
IMM heartbeat
LED
VRM fail
LED
Microprocessor 1 error LED
Chapter 2. Installing optional devices 25