Gigabyte GA-2CEWH User Manual - Page 22
A ATX2, B ATX1
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GA-2CEWH Motherboard A ) ATX2 ¾ 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. B ) ATX1 13 1 12 24 PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Definition +3.3V +3.3V GND +5V GND +5V GND POK 5VSB +12V +12V +3.3V +3.3V -12V GND PSON GND GND GND -5V +5V +5V +5V GND 87 21 Pin No. 1 2 3 4 5 6 7 8 Definition GND +12v GND +12V GND +12V GND +12V ¾This connector (ATX +12V) is used only for CPU Core Voltage. 22
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22
GA-2CEWH Motherboard
A ) ATX2
1
12
24
13
PIN No.
Definition
1
+3.3V
2
+3.3V
3
GND
4
+5V
5
GND
6
+5V
7
GND
8
POK
9
5VSB
10
+12V
11
+12V
12
+3.3V
13
+3.3V
14
-12V
15
GND
16
PSON
17
GND
18
GND
19
GND
20
-5V
21
+5V
22
+5V
23
+5V
24
GND
B ) ATX1
Pin No.
Definition
1
GND
2
+12v
3
GND
4
+12V
5
GND
6
+12V
7
GND
8
+12V
This connector (ATX +12V) is used only for
CPU Core Voltage.
1
2
7
8
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.