Chapter 2: Installation
2-23
Power Button
OverHeat/Fan Fail
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
X
Ground
NMI
X
Vcc
NIC2 LED
X
X
A
B
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 Red LED
on pin 7 provides warnings of over-
heat, fan failure or power failure. The
Blue LED on pin 8 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 denitions.
OH/Fan Fail/ PWR Fail/Blue_UID
LED Pin Denitions (JF1)
Pin# Denition
7 Red_LED-Cathode/OH/Fan Fail/
Power Fail5.5V.SB
8 Blue_UID LED
OH/Fan Fail/PWR Fail
LED Status (Red LED)
State Denition
Off Normal
On Overheat
Flashing Fan Fail
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 con-
gured to function as a suspend button
(with a setting in the BIOS - See Chapter
4). To turn off the power when the system
is in suspend mode, press the button for
4 seconds or longer. Refer to the table on
the right for pin denitions.
Power Button
Pin Denitions (JF1)
Pin# Denition
1 Signal
2 Ground
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. Refer to the table on the right for
pin denitions.
Reset Button
Pin Denitions (JF1)
Pin# Denition
3 Reset
4 Ground
C
A. OH/Fan Fail LED
B. Reset Button
C. Power Button