Diagnostic Indicator Lights

System Board Diagnostic Lights1—Desktop Computers and Workstations
Main

 

 

 

Power

 

 

 

Switch3.3 V_Aux5 V_Aux/Power Button
Status

LED

PSON LEDLED6

 

 

 

 

OFF2

ON

ON4

OFF

 

 

 

 

ON3

ON

OFF5

ON

1.ON and OFF state of LEDs apply only to a good, working system board with AC power applied to the power supply.

2.Power LED is OFF.

3.Power LED is ON. (Green)

4.5V_Aux is ON.

5.PSON is active = power supply turned ON.

6.All except SFF.

 

D–2

Service Reference Guide