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SUPERSERVER 2027TR-D70RF(+) USER'S MANUAL
Unit Identifier Switches
Two Unit Identifier (UID) Switches and
two LED Indicators are located on the
motherboard. The Front Panel UID
Switch is located at Pin 16 on JF2. The
Rear UID Switch is located at SW1 next
to the InfiniBand Connector. The Front
Panel UID LED is located at Pin 17 of
JF2, and the Rear UID LED is located
at LE2. When the user presses a UID
switch on the front panel or on the back
panel, 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 identification of
a system unit that may be in need of
service. See the table on the right for
pin definitions.
Note: UID LED is supported by the
physical switch or the BMC. When it is
controlled by the physical switch, it will
stay solid. When it is controlled by the
BMC, it will blink.
Video Connector
A Video (VGA) connector is located next
to the COM Port on the IO backplane.
This connector is used to provide video
and CRT display. Refer to the board
layout below for the location.
IPMB I2C SMB
A System Management Bus header
for the IPMI slot is located at JIPMB1.
Connect an appropriate cable here to
use the IPMB I
system.
C connection on your
2
Pin# Definition
1
2
3
4
UID Switches & LEDs
Description
FP Switch
Rear Switch
FP UID LED
(Blue LED)
Rear UID LED
SMB Header (JIPMB1)
Pin Definitions
Pin# Definition
1
2
3
4
5-16
UID Switch
Ground
Ground
Button In
Ground
Location
Pin 16 on JF2
SW1
Pin 17 on JF2
LE2
Data
Ground
Clock
No Connection
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