Supermicro SuperServer SYS-220GP-TNR User Manual page 74

Unit Identifier Switch (UID-SW)/BMC Reset: One button with two functions
A Unit Identifier (UID) switch and two LED Indicators are located on the motherboard. The
UID switch, UID-SW, 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 IPMI settings including
username and password will revert back to the factory default. Only the network settings
and FRU are retained.
Chapter 4: Motherboard Connections
Behavior
Turns on the UID LED
Turns off the UID LED
BMC will do a cold boot
74
LED Activity
UID LED turns solid blue
UID LED turns off
BMC Hearbeat LED turns solid green
BMC Hearbeat LED turns solid green