User`s manual

Chapter 3: Installation
3-19
Power Button
Blue+ (OH/Fan Fail/
PWR FaiL/UID LED)
1
NIC1 Link LED
Reset Button
2
Power Fail LED
HDD LED
FP PWRLED
Reset
PWR
3.3 V
ID_UID_SW/3/3V Stby
Red+ (Blue LED Cathode)
Ground
Ground
1920
3.3V
X
Ground
NMI
X
NIC2 Link LED
NIC2 Activity LED
NIC1 Activity LED
X8QBE-F
Rev. 1.11
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
de nitions.
B
A. Blue LED Cathode
B. OH/Fail/PWR Fail LED (Red)/UID
(Blue)
C. PWR Supply Fail
A
C
PWR Fail LED
Pin De nitions (JF1)
Pin# De nition
5 3.3V
6 PWR Supply Fail
Overheat (OH)/Fan Fail/PWR Fail/
UID LED
Connect an LED cable to OH/Fan Fail/
Front UID LED connection on pins 7
and 8 of JF1 to provide advanced
warnings of chassis overheat or fan
failure. It also works as the front panel
UID LED indicator. The Red LED
takes precedence over the Blue LED
by default. Refer to the table on the
right for pin de nitions.
OH/Fan Fail/PWR Fail/UID LED
Pin De nitions (JF1)
Pin# De nition
7 Red+ (Blue LED Cathode)
8 Blue+ (OH/Fan Fail/PWR Fail/
UID LED)
OH/Fan Fail Indicator
Status
State De nition
Off Normal
On Overheat
Flash-
ing
Fan Fail