Supermicro SuperServer SYS-1029U-TN12RV User Manual page 63

Power Fail LED
The Power Fail LED connection is located on pins 5 and 6 of JF1. Refer to the table below
for pin definitions.
UID/OH/Fan Fail/PWR Fail LED
Connect an LED cable to pins 7 and 8 of the Front Control Panel (JF1) to use UID/Overheat/
Fan Fail/Power Fail LED connections. The LED on pin 8 provides warnings of overheat, power
failure or fan failure. Refer to the tables below for details.
Status
Solid red
Blinking red (1Hz)
Blinking red (0.25Hz)
Solid blue
Blinking blue (300 msec)
Reset Button
The Reset Button connection is located on pins 3 and 4 of JF1. Attach it to a hardware reset
switch on the computer case to reset the system. Refer to the table below for pin definitions.
Power Button
The Power Button connection is located on pins 1 and 2 of JF1. Momentarily contacting both
pins will power on/off the system. This button can also be configured to function as a suspend
button. To turn off the power in the suspend mode, press the button for at least 4 seconds.
Refer to the table below for pin definitions.
Power Fail LED
Pin Definitions (JF1)
Pin# Definition
5 3.3V
6 PWR Supply Fail
Information LED-UID/OH/PWR Fail/Fan Fail LED
Pin Definitions (Pin 7 & Pin 8 of JF1)
Description
An overheat condition has occurred. (This may be caused by cable congestion).
Fan failure: check for an inoperative fan.
Power failure: check for a non-operational power supply
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.
Reset Button
Pin Definitions (JF1)
Pin# Definition
3 Reset
4 Ground
Power Button
Pin Definitions (JF1)
Pin# Definition
1 Signal
2 Ground
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Chapter 4: Motherboard Connections