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Power Supply Connector
When used with an ATX-compliant power supply that supports remote power on/off,
the motherboard can turn off the system power through software control.
To enable soft-off control in software, advanced power management must be
enabled in the Setup program and in the operating system. When the system BIOS
receives the correct APM command from the operating system, the BIOS turns off
power to the computer.
With soft-off enabled, if power to the computer is interrupted by a power outage or a
disconnected power cord, when power resumes, the computer returns to the power
state it was in before power was interrupted (on or off).
Table 10: Power Supply Connector
Pin
Signal Name
1
+3.3 V
2
+3.3 V
3
Ground
4
+5 V
5
Ground
6
+5 V
7
Ground
8
PWRGD (Power Good)
9
+5 VSB (Standby)
10
+12 V
11
+3.3 V
12
-12 V
13
Ground
14
PS-ON# (power supply remote on/off control)
15
Ground
16
Ground
17
Ground
18
-5 V
19
+5 V
20
+5 V
Other Useful Connectors
Table 11: Front Panel I/O Connectors
Connector
Pin Signal
Sleep/Power
2
LED Green
Sleep/Power
4
LED Yellow
Power Switch
6
Power Switch
8
No connection 10 None
V1.0
Connector
Name
+5 V
HDD LED
0 v
HDD LED
SWITCH ON RESET
Ground
RESET
No
connection
VIG556M Motherboard Manual
Pin Signal
Name
1
+5V HDD
3
OV HDD
5
RESET
7
Ground
9
+5V
67
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