System-board LEDs

The following illustration shows the LEDs on the system board. You might need to refer to this illustration when solving problems with the server.

Note: The server does not contain a light path diagnostics panel.

System fan 3 error (LED2)

System fan 1 error (LED3) Standby power good (LED1)

Mini-BMC heartbeat error (LED10)

VRD good (LED11)

System fan 2 error (LED13)

DIMM 4 error (LED14)

DIMM 3 error (LED15)

DIMM 2 error (LED16)

DIMM 1 error (LED17)

Use the system-board LEDs to diagnose system errors. Each 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 Problem Determination and Service Guide on the IBM xSeries Documentation CD.

76xSeries 206m Types 8485 and 8490: Installation Guide

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IBM 8485, 8490 manual System-board LEDs