Supero SUPERSERVER 1027R-WRF User Manual page 56

SUPERSERVER
Unit Identifi er Switch
A Unit Identifi er (UID) Switch and two
LED Indicators are located on the
motherboard. The UID Switch is located
next to the VGA port. 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 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.supermicro.com.
Internal Speaker
The Internal Speaker, located at
SP1, can be used to provide audible
indications for various beep codes. See
the table on the right for pin defi nitions.
Refer to the layout below for the
locations of the Internal Buzzer (SP1).
1027R-WRF USER'S MANUAL
Pin#
1
2
3
4
UID LED Status
Color/State OS
Blue: On Windows OS
Blue: Linux OS
Blinking
Ground
X
FP PWRLED
HDD LED
NIC1 Link LED
NIC2 Link LED
Blue+ (OH/Fan Fail/
PWR FaiL/UID LED)
Power Fail LED
Ground
Ground
Internal Buzzer (SP1)
Pin Defi nition
Pin#
Pin 1 Pos. (+)
Pin 2 Neg. (-)
5-22
UID Switch
Defi nition
Ground
Ground
Button In
Ground
Status
Unit Identifi ed
Unit Identifi ed
20 19
NMI
X
3.3 V
ID_UID_SW/3/3V Stby
NIC1 Activity LED
NIC2 Activity LED
Red+ (Blue LED Cathode)
3.3V
Reset
Reset Button
Power Button
PWR
2 1
Defi nitions
Beep In
Alarm
Speaker