Supermicro SuperServer SYS-511E-WR User Manual page 68

Unit Identifier Switch (UID-SW): One button with two functions
A Unit Identifier (UID) switch and two LED Indicators are located on the motherboard. The
UID switch is located next to the VGA port on the back panel.
Function User Input
Push Once
UID LED Indicator
Push Again
Push and hold for 6 seconds
BMC Reset
Push and hold for 12 seconds BMC will reset to factory default
Note: After pushing and holding the UID-SW for 12 seconds, all BMC settings includ-
ing username and password will revert back to the factory default. Only the network
settings and FRU are retained.
UID Switch
Pin Definitions
Pin# Definition
1 Button In
2 Ground
G1 Ground
G2 Ground
Chapter 4: Motherboard Connections
Behavior
Turns on the UID LED
Turns off the UID LED
BMC will do a cold boot
Color
Blue: On
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LED Activity
UID LED turns solid blue
UID LED turns off
BMC Hearbeat LED turns solid green
BMC Hearbeat LED turns solid green
UID LED
Pin Definitions
Status
Unit Identified