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Unit Identifi er Switch
A Unit Identifier (UID) Switch and
two LED Indicators are located on
the motherboard. The UID Switch is
located next to the GLAN 2 port on
the backplane. The Rear UID LED
(LED3) is located next to the UID
Switch. The Front Panel UID LED
is located at Pins 7/8 of the Front
Control Panel at JF1. Connect a cable
to Pin 8 on JF1 for Front Panel UID
LED indication. When you press the
UID switch, both Rear UID LED and
Front Panel UID LED Indicators will
be turned on. Press the UID switch
again to turn off both LED Indicators.
These UID Indicators provide easy
identifi cation of a system unit that
may be in need of service.
Note: UID can also be trig-
gered via IPMI on the moth-
erboard. For more informa-
tion on IPMI, please refer
to the IPMI User's Guide
posted on our Website @
http://www.supermicro.com.
2
LED3
JPL1
LAN
LAN2
LAN1
CTRL
82580
LED1
BMC
CTRL
JI2C1
1
JI2C2
1
1
XDP_CPU
1
2
3
4
1
JPG1
Battery
XDP_PCH
I-SATA5
I-SATA4
I-SATA3
I-SATA2
Intel IOH
I-SATA1
BIOS
I-SATA0
X9DBU
Rev. 1.02
JBT1
BUZZER
JL1
SAS4~7
SAS0~3
FAN3
JF1
JD1
Blue+ (OH/Fan Fail/
3
PWR FaiL/UID LED)
USB0/1
VGA
COM1
KB/MOUSE
JPW4
IPMI_LAN
PHY
JPW3
JPW2
JPW1
FAN2
FAN1
2-19
Chapter 2: Installation
UID Switch
Pin#
Defi nition
1
Ground
2
Ground
3
Button In
4
Ground
UID LED (LE2)
Status
Color/State OS Status
Blue: On
Windows OS
Blue:
Linux OS
Blinking
20
19
Ground
NMI
X
X
FP PWRLED
3.3 V
ID_UID_SW/3/3V Stby
HDD LED
NIC1 Link LED
NIC1 Activity LED
NIC2 Activity LED
NIC2 Link LED
Red+ (Blue LED Cathode)
Power Fail LED
3.3V
Reset
Ground
Ground
PWR
2
1
1. UID Switch
2. Rear UID LED (LE2)
3. Front UID LED
Unit Identifi ed
Unit Identifi ed
Reset Button
Power Button
1
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