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System board LEDs
This topic helps you locate the LEDs on the system board.
The following illustration shows the BMC status LED, system board hardware fault LED, and the POST code
diagnostic LEDs on the system board.
Figure30. System board LEDs
1 System board hardware fault LED 6 POST code diagnostic LED #1
2 BMC status LED 7 POST code diagnostic LED #6
3 POST code diagnostic LED #4 8 POST code diagnostic LED #2
4 POST code diagnostic LED #0 - Least Signicant
Bit (LSB)
9 POST code diagnostic LED #7 - Most Signicant Bit (MSB)
5 POST code diagnostic LED #5 10 POST code diagnostic LED #3
1 System board hardware fault LED
When this LED is lit, it indicates that the system board hardware has failed.
50 ThinkServer Hardware Maintenance Manual