Gigabyte GA-7VT880 User Manual - Page 21

ATX_12V +12V Power Connector, ATX ATX Power

Page 21 highlights

English 1) ATX_12V (+12V Power Connector) This connector (ATX_12V) supplies the CPU operation voltage (Vcore). If this "ATX_12V connector" is not connected, system cannot boot. 13 24 Pin No. 1 2 3 4 Definition GND GND +12V +12V 2) ATX (ATX Power) AC power cord should only be connected to your power supply unit after ATX power cable and other related devices are firmly connected to the mainboard. Pin No. Definition 1 3.3V 2 3.3V 3 GND 10 20 4 VCC 5 GND 6 VCC 7 GND 8 Power Good 9 5V SB (stand by +5V) 10 +12V 11 3.3V 12 -12V 13 GND 1 11 14 PS_ON(soft on/off) 15 GND 16 GND 17 GND 18 -5V 19 VCC 20 VCC - 17 - Hardware Installation Process

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Hardware Installation Process
English
- 17 -
1)
ATX_12V (+12V Power Connector)
This connector (ATX_12V) supplies the CPU operation voltage (Vcore).
If this "ATX_12V connector" is not connected, system cannot boot.
Pin No.
Definition
1
GND
2
GND
3
+12V
4
+12V
2)
ATX (ATX Power)
AC power cord should only be connected to your power supply unit after ATX power cable and
other related devices are firmly connected to the mainboard.
Pin No.
Definition
1
3.3V
2
3.3V
3
GND
4
VCC
5
GND
6
VCC
7
GND
8
Power Good
9
5V SB (stand by +5V)
10
+12V
11
3.3V
12
-12V
13
GND
14
PS_ON(soft on/off)
15
GND
16
GND
17
GND
18
-5V
19
VCC
20
VCC
20
1
11
10
4
3
2
1