Chapter 2: Installation
2-15
Power Button
OH/Fan Fail LED
1
NIC1 LED
Reset Button
2
HDD LED
Power LED
Reset
PWR
Vcc
Vcc
Vcc
Vcc
Ground
Ground
1920
Vcc
X
Ground
NMI
X
Vcc
PWR Fail LED
NIC2 LED
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 works in conjunction
with the Power-Off setting in the BIOS
Advanced submenu. Refer to the tables
on the right for pin defi nitions.
Power Button
Pin Defi nitions (JF1)
Pin# Defi nition
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 defi nitions.
Reset Button
Pin Defi nitions (JF1)
Pin# Defi nition
3 Reset
4 Ground
A. Reset Button
B. PWR Button
A
B
X8DA3/i
Rev. 1.3
Power Button
Power On/Off Settings
PWR_Off Setting
in the BIOS:
PWR Activity on the
motherboard:
When PWR_Off is
set to Instant_Off
To power-on: Power is
turned on immediately
To pwer-off: PWR is
turned off immediately
When PWR_Off
is set to 4_second
suspend
To power-on: Power is
turned on immediately
To pwer-off: Short both
pins for 4 seconds or
longer to turn off the
power.
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