Unit Identier Switch/UID LED Indicator
A Unit Identier (UID) switch and an LED
Indicator are located on the motherboard.
The rear UID switch is located next to the
LAN ports on the back panel. The front UID
switch is located on Pin 13 on the Front
Panel Control (JF1). The rear UID LED
(UID) is located next to the UID switch and
the front UID LED is located on Pins 7 on
JF1. When you press the UID switch, the
UID LED will turn on. Press the UID switch
again to turn off the LED indicator. The UID
Indicator provides easy identication 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 @http://www.super-
micro.com.
UID Switch
Pin# Denition
1 Ground
2 Ground
3 Button In
4 Button In
UID LED
Status
Color/State Status
Blue: On Unit Identied