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Unit Identifier Switch/UID LED Indicator
A Unit Identifier (UID) switch (JUIDB1) and a UID LED Indicator (UID_LED1) are located on
the rear side of the system. When you press the UID switch, the UID LED indicator will be
turned on. Press the UID switch again to turn off the LED. 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.
Ethernet Ports
An IPMI_Dedicated LAN that supports Gigabit LAN is located next to the VGA port on the
I/O back panel. This LAN port is supported by the onboard AST 2500 BMC and accepts an
RJ45 type cable. Refer to the LED Indicator Section for LAN LED information.
Chapter 4: Motherboard Connections
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
63
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