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X10DDW-i/iN Motherboard User's Manual
Unit Identifier Switches/UID LED
Indicators
A rear Unit Identifier (UID) button (JUIDB1)
and a rear LED (LE1) are located close to
LAN 2 port on the rear side of the mother-
board. The front UID switch is located at pin
13 of the Front Control Panel (JF1), while
the front UID LED is located on pin 7 of JF1.
When you press the front UID switch or the
rear one, both front and rear UID LEDs will
be turned on. Press the UID button again to
turn off the LED indicator. 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 @http://www.super-
micro.com.
1
2
LAN2
BT1
JSXB1_2
BMC
PCH
BIOS
LICENSE
SP1
P1_NVME0
P1_NVME1
1
CLOSE 1st
CPU1
OPEN 1st
FAN8
FAN6
USB4/5(3.0)
USB0/1(2.0)
LAN1
COM1
VGA
I-SGPIO2
JSTBY1
JOH1
IPMI_LAN
JWD1
LAN
BIOS
JBT1
LE2
X10DDW-i
Rev. 1.10
JF1
CLOSE 1st
CPU2
OPEN 1st
Pin#
1
2
3
4
Color/State Status
Blue: On
Ground
FP PWRLED
HDD LED
NIC1 Link LED
NIC2 Link LED
OH/Fan Fail/
PWR Fail LED)
Power Fail LED
Ground
Ground
2-22
UID Switch
Definition
Ground
Ground
Button In
Ground
UID LED
Status
Unit Identified
20
19
NMI
X
X
3.3 V
UID LED
NIC1 Activity LED
NIC2 Activity LED
3
Blue LED Cathode
3.3V
Reset
Reset Button
Power Button
PWR
2
1
1. UID Button
2. Rear UID LED
3. Front UID LED Header
4. Front UID Switch
4
1
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