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Appendix G

Intel Servers

Many Intel server systems have an alarm panel and a relay output that can be monitored and controlled through IPMI. This will appear under entity 12.1 (Alarm Panel) and will be named “alarm”. It takes an 8-bit setting. The meanings of the bits are:

7 6

5

4

3 2 1 0

Reserved, always write 1 LED colors, 1 = amber (default), 0 = red. Note that the colors were added in some later firmware versions, not in all, and the colors may not affect all LEDs. Minor Relay bit, 0 = on, 1=off. This is a read only bit and should always be written 1. Major Relay bit, 0 = on, 1=off. This is a read only bit and should always be written 1. Minor LED bit, 0 = on, 1=off Major LED bit, 0 = on, 1=off Critical LED bit, 0 = on, 1=off Power LED bit, 0 = on, 1=off

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