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Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and a rear UID LED (LED1) 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
1
Ground
2
Ground
3
Button In
4
Button In
SP1
VGA
JPL1
JLAN2
JTPM1
JRK1
JPWR1
LE1
JBT1
JPME1
P1-DIMMF1
P1-DIMMF2
P1-DIMME1
P1-DIMME2
P1-DIMMD1
P1-DIMMD2
CPU1
FAN8
FAN7
FAN6
FAN5
UID LED
Pin Definitions
Color
Status
Blue: On
Unit Identified
1
JUIDB2
LED1
JCOM1
2
JUSB1
JIPMILAN
S-SATA5
S-SATA4
USB12/13(3.0)
LED3
JLAN1
M.2
J30
J30
J31
M.2
LED4
JSD1
JSD2
JPWR2
JP5
JP6
BT1
X11DPS-RE
REV:1.01
DESIGNED IN USA
P1-DIMMA2
P1-DIMMA1
P1-DIMMB2
P1-DIMMB1
P1-DIMMC2
P1-DIMMC1
P2-DIMMF1
P2-DIMMF2
P2-DIMME1
P2-DIMME2
P2-DIMMD1
P2-DIMMD2
FAN4
49
Power Button
Reset Button
3.3V
3
UID LED
3.3V Stby
3.3V Stby
3.3V Stby
3.3V
1. UID (JUIDB2)
2. (Rear) UID LED (LED1)
3. (Front( UID LED
PSU1
PSU2
P2-DIMMA2
P2-DIMMA1
P2-DIMMB2
P2-DIMMB1
P2-DIMMC2
P2-DIMMC1
CPU2
JF1
FAN3
FAN2
FAN1
BIOS LICENSE
Chapter 2: Installation
1
2
Ground
Ground
Power Fail LED
OH/PWR Fail/Fan Fail LED
NIC2 Active LED
NIC1 Active LED
HDD LED
PWR LED
JL1
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