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A2SDi-H-TP4F/TF User's Manual
Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch and an LED Indicator are located on the motherboard. The UID
switch is located at UID, which is next to the VGA port on the back panel. The UID LED
(UIDLED1) is located next to the UID switch. When you press the UID switch, the UID LED
will be turned on. Press the UID switch again to turn off the LED indicator. The UID Indicator
provides 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#
Definition
1
Ground
2
Ground
3
Button In
4
Button In
1
2
UID
VGA
JPG1
Intel
COM1
X557-AT2
SRW2
A
C
LEDM1
BMC
AST2400
SRW1
JMD1
JD1
M.2:PCI-E 3.0 X2 / I-SATA
JL1
1
JSAS2
I-SATA
8-11
JSAS1
I-SATA
4-7
I-SATA1
JSD1
I-SATA0
PRESS FIT
JPTG1
JWD1
A
LAN1
LAN2
C
C
C
C
LAN3
LAN4
Intel SoC
FCBGA1310
JI2C1:
1-2:ENABLE
2-3:DISABLE
JI2C2:
JPME2:
1-2:NORMAL
1-2:ENABLE
2-3:ME MANUFACTURING MODE
2-3:DISABLE
JF1
I-SATA2
I-SATA3
JTPM1
JRT4
JRT3
PWR
RST
X
OH/FF
ON
LED1
A
44
UID LED
Pin Definitions
Color
Status
Blue: On
Unit Identified
IPMI LAN
USB0/1
JBT1
BT1
JTGLED1
JPV1
NIC
NIC
HDD
PWR
2
1
LED
LED
http://www.
1. UID Switch
2. UID LED
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