Supermicro SuperServer SYS-220GP-TNR User Manual page 71

Power On and BMC/BIOS Status LED Button
The Power On and BMC/BIOS Status LED button is located on pins 1 of JFP1.
Green: solid on
BMC/BIOS blinking green @ 4Hz
BIOS blinking green @ 4Hz
BMC blinking green x2 (2 blinks green) @ 4Hz, 1 pause @ 2Hz (on-on-off-
off)
BMC/BIOS blinking green @ 1Hz
Power Fail LED
The Power Fail LED connection is located on pins 19 of JFP1. When this LED turns solid red,
it indicates a power failure. Refer to the table below for pin definitions.
UID LED
The unit identifier LED connection is located on pins 3 of JFP1.
Information LED (OH/Fan Fail/PWR Fail)
The Information LED (OH/Fan Fail/PWR Fail/UID LED) connection is located on pins 4 of
JFP1. The LED on pin 4 provides warnings of overheat, power failure, or fan failure. Refer
to the tables below for more information.
Status
Solid red (on)
Blinking red (1Hz)
Blinking red (0.25Hz)
Blinking red (10Hz) (FP red LED)
Solid blue
Blinking blue (1Hz)
BIOS/BMC blinking blue (10Hz)
Red Info LED blinking (10Hz) and
MB UID LED blue blinking (10Hz)
Power Button
LED States
Status
Information LED (OH/Fan Fail)
LED States
Description
An overheat condition has occurred.
Fan failure: check for an inoperative fan.
Power failure: check for a non-operational power supply
CPLD recovery mode error(s)
Local UID is activated. Use this function to locate a unit in a rack mount
environment that might be in need of service.
Remote UID is on. Use this function to identify a unit from a remote location that
might be in need of service.
BIOS/BMC: recovery and/or update in progress
CPLD: recovery and/or update in progress
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Chapter 4: Motherboard Connections
Event
System power on
BMC/BIOS checking
BIOS recovery/update in progress
BMC recovery/update in progress
Flash not detected or golden image
checking failure