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Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and a rear UID LED (LE1) are located on the I/O back panel. A
front UID switch is located on pins 7 & 8 of the front panel control (JF1). When you press the
front or the rear UID switch, both front and rear UID LEDs will be turned on. Press the UID
switch again to turn off the LED indicators. The UID indicators provide easy identification of
a system that may be in need of service.
Note: UID can also be triggered via IPMI on the motherboard. For more information,
please refer to the IPMI User's Guide posted on our website at http://www.supermicro.
com.)
UID Switch
Pin Definitions
Pin#
Definition
Color
1
Ground
Blue: On
2
Ground
3
Button In
4
Button In
UID SWITCH
2
1
UID LED
2
1
USB0/1(3.0)
LE1
JWD1
JUSB
IPMI_LAN
JCOM1
LEDBMC
UM5
LEDM1
JSIOM
U60
JBT1
BIOS
LICENSE
IPMI CODE
CPU1
MAC CODE
X11DPG-SN
REV:1.00
REV:1.00
BAR CODE
CPU2
BT1
JL1
JF1
UID LED
Pin Definitions
Power Button
Status
Unit Identified
Reset Button
JPW2
FAN H
FAN G
JPW7
FAN F
FAN E
FAN 1
43
Chapter 2: Installation
1
2
Ground
Ground
Power Fail LED
3.3V
3
Blue LED
OH/PWR Fail/Fan Fail LED
3.3V Stby
NIC2 Active LED
3.3V Stby
NIC1 Active LED
3.3V Stby
HDD LED
3.3V
PWR LED
x
x
Ground
NMI
19
20
1. Rear UID LED (LE1)
2. UID Switch (JUIDB1)
3. Front UID LED
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