System-Board Leds - IBM xSeries 100 Problem Determination And Service Manual

System-board LEDs

The following illustration shows the light-emitting diodes (LEDs) on the system
board.
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IBM xSeries 100 Type 8486: Problem Determination and Service Guide
System fan 3 error (LED2)
System fan 1 error (LED3)
Standby power (LED1)
VRD good (LED11)
System fan 2
error (LED13)
DIMM 4 error (LED14)
DIMM 3 error (LED15)
DIMM 2 error (LED16)
DIMM 1 error (LED17)