Overheat (Oh)/Fan Fail/Pwr Fail/Uid Led; Power Fail Led - Supermicro SuperO A1SAM-2750F User Manual

Overheat (OH)/Fan Fail/PWR Fail/
UID LED
Connect an LED cable to pins 7 and
8 of Front Control Panel to use the
Overheat/Fan Fail/Power Fail and
UID LED connections. The blue LED
on pin 7 works as the front panel UID
LED indicator. The red LED on pin 8
works provides warnings of system
overheating, fan failure or power
failure. The red LED takes prece-
dence over the blue LED by default.
Refer to the table on the right for pin
definitions.

Power Fail LED

The Power Fail LED connection is
located on pins 5 and 6 of JF1. Re-
fer to the table on the right for pin
definitions.
JUIDB1
JBAT1
JF1
BATTERY
SP1
BUZZER
COM2
USB4/5
1
LAN2/LAN4 LAN1/LAN3 USB 2/3 USB0/1
JVGA1
BMC
IPMI_LAN
JLAN2 JLAN1
LAN3/4 LED
PHY
A1SAM/A1SRM Series
Rev. 1.01
BIOS
SoC Processor
JBT1
OH/Fan Fail/ PWR Fail/Blue_UID
LED Pin Definitions (JF1)
Pin# Definition
7 Blue_UID LED
8 OH/Fan Fail/Power Fail Cathode
Pin Definitions (JF1)
Pin#
5
6
COM1
PWRI2C
FP PWRLED
NIC1 Link LED
NIC2 Link LED
B
OH/Fan Fail/PWR Fail/
LED Cathode
C
Power Fail LED
2-17
Chapter 2: Installation
PWR Fail LED
Definition
3.3V
PWR Supply Fail
A. (Blue) UID LED
B. (Red) OH/Fan Fail/PWR
Fail LED
C. PWR Fail
20 19
Ground
NMI
X
X
3.3 V
HDD LED 3.3V Stby
3.3V Stby
3.3V Stby
UID LED Cathode
3.3V
Reset
Ground
Ground PWR
2 1
A
Reset Button
Power Button