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Super X11SRL-F User's Manual
Unit Identifier Switch/UID LED Indicator
A rear Unit Identifier (UID) switch (JUIDB1) and a rear LED Indicator (LEDUID) are located on
the rear side of the motherboard. The front UID LED is located on Pin 7 of the Front Control
Panel (JF1). When you press the UID switch, both front and rear UID LED indicators will
be turned on. Press the UID switch again to turn off the LED indicators. The UID Indicators
provide 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
supermicro.com.
UID Switch
Pin Definitions
Pin#
1
2
3
4
BMC
LEDBMC
MH11
1
MH1
SP1
JD1
BT1
JI2C_FP1
1
USB 2/3
USB 4/5
M.2-P
JBT1
USB 8/9(3.0)
BIOS
LICENSE
PCH
JL1
I-SATA1 I-SATA0
Definition
GND
GND
Button In
Button In
2
1
VGA
LEDUID
JUIDB1
LAN
USB 6/7(3.0)
LAN
CTRL
CTRL
LAN2
LAN1
OPEN 1st
CPU
LEDSSD1
IPMI CODE
MAC CODE
BAR CODE
JF1
USB 10(3.0)
JRK1
1
JTPM1
FANB
FANA
Color
Blue: On
PWR
Power Button
Reset
3
COM1
1. UID Switch
FAN5
2. UID LED
IPMI_LAN
USB 0/1
3. Front UID LED
CLOSE 1st
FAN2
FAN1
36
http://www.
UID LED
Pin Definitions
Status
Unit Identified
1
2
Ground
Ground
Reset Button
Power Fail LED
3.3V
OH/Fan Fail LED
UID LED
3.3V LAN
NIC2 Active LED
3.3V LAN
NIC1 Active LED
UID SW
HDD LED
3.3V
PWR LED
Ground
NMI
19
20
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