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System-board LEDs
The following illustration shows the LEDs on the system board. You might have to
refer to this illustration when you are solving problems with the server.
1 Standby power LED 8 Mini-BMC heartbeat LED
2 Board VRD fault LED 9 PCI 32-bit 33 MHz LED
3 Microprocessor fan LED 10 PCI-X 64-bit 133 MHz LED
4 DIMM LED 11 PCI Express x4 LED
5 Hard drive fan LED 12 PCI Express x8 LED
6 Mini-PCI slot LED 13 System fan LED
7 Microprocessor LED
Use the system-board LEDs to diagnose system errors. An error LED is lit to
indicate a problem with a specific component. After a problem is corrected, its LED
will not be lit the next time that the server is restarted; if the problem remains, the
LED will be lit again. For additional information, see the Hardware Maintenance
Manual.
Chapter 5. Solving problems 75