55
Chapter 4: Motherboard Connections
Unit Identifier Button/UID LED Indicator
A Unit Identifier (UID) button and an LED indicator are located on the motherboard. The UID
button is located at UID and control panel. The UID LED is located LED2, next to the on-
board UID switch. When you press the UID button, the UID LED will be turned on. Press the
UID button again to turn off the LED indicator. The UID Indicator provides easy identification
of a system unit that may be in need of service.
Note:
UID can also be triggered via IPMI on the motherboard. For more information on IPMI,
please refer to the IPMI User's Guide posted on our website at
UID LED
Pin Definitions
Color
Status
Blue: On
Unit Identified
UID Button
Pin Definitions
Pin#
Definition
1
Ground
2
Ground
3
Button In
4
Button In
