SUPER MICRO Computer X8STI-F - Manual (Page 62)

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X8STi/X8STi-F/X8STi-3F/X8STi-LN4 User's Manual
UID-LED
The Unit Identifier LED Indicator is located
at LE2 on the motherboard. When the blue
light is on, the unit (system) that might be
in need of service is identified. See the
layout below for the LED location.
LSI 1068E
NIC4 LED
JBMC1
A
A. UID LED