45
Chapter 2: Installation
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
http://www.
supermicro.com
.
UID Switch
Pin Definitions
Pin#
Definition
1
Ground
2
Ground
3
Button In
4
Button In
UID LED
Pin Definitions
Color
Status
Blue: On
Unit Identified
BIOS LICENSE
JTGLED1
JPW1
A2SDi-2C-HLN4F
REV:1.00
DESIGNED IN USA
BAR CODE
COM1
JPCIE1
JSD1
1
SRW1
SRW2
JUIDB
JPL1
JWD1
JPG1
JBR1
JPME2
JI2C1
JI2C2
PRESS FIT
JSAS1
PRESS FIT
JSAS2
JMD1
JB3
LED1
JD1
JSMB1
JGP1
1
JBT1
JPH1
JPV1
FANA
FAN1
FAN2
JF1
JTPM1
JL1
JRT4
JRT3
I-SATA2
I-SATA1
I-SATA3
I-SATA0
JUSB3A1
UIDLED1
A
LEDM1
FANA
FAN3
SUPERDOM SA
TA
DOM+POWER
8-11
4-7
I-SATA
I-SATA
IPMI LAN
DIMMA1
DIMMA2
DIMMB2 DIMMB1
CPU
AL
W
AYS POPULA
TE DIMMA1 FIRST
CPU SLOT7 PCI-E 3.0 X4
M.2:PCI-E 3.0 X2 / I-SATA
LAN4
INTRUSION
JD1:
1-4:SPEAKER
CHASSIS
JL1:
JPB1:BMC
1-2:ENABLE
2-3:DISABLE
1-2:ENABLE JI2C1:
2-3:DISABLE
JI2C2:
1-2:ENABLE
2-3:DISABLE
1-2:NORMAL JPME2:
2-3:ME MANUF
ACTURING MODE
RST
JF1
ON
PWR
2
NIC
OH/FF
X
2-3:NMI 1-2:RST JWD1:W
ATCH DOG
PWR
1 LED
HDD
NIC
LED
JPI2C1
JBR1
1-2:NORMAL
2-3:BIOS RECOVER
Y
LAN2
USB0/1
USB2/3
USB4(3.0)
VGA
LAN1
LAN3
BT1
1
1. UID Switch
2. UID LED
2
