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VER 2022G-URF User's Manual
5-8
Connector Defi nitions
Power Connectors
A 24-pin main power supply connector(JPW1)
and three 8-pin CPU PWR connectors
(JPW2/JPW3/JPW4) on the motherboard.
These power connectors meet the SSI EPS
12V specifi cation. In addition to the 24-pin
ATX power connector, the 12V 8-pin CPU
PWR connectors at JPW2/JPW3/JPW4 must
also be connected to your power supply. See
the table on the right for pin defi nitions.
Warning: To prevent damage to the power
supply or motherboard, please use a power
supply that contains a 24-pin and three 8-pin
power connectors. Be sure to connect these
connectors to the 24-pin (JPW1) and the
three 8-pin (JPW2,JPW3 and JPW4) power
connectors on the motherboard. Failure in
doing so will void the manufacturer warranty
on your power supply and motherboard.
PW_ON Connector
The PW_ON connector is on pins 1 and 2 of
JF1. This header should be connected to the
chassis power button. See the table on the
right for pin defi nitions.
Reset Connector
The reset connector is located on pins 3 and
4 of JF1 and attaches to the reset switch on
the computer chassis. See the table on the
right for pin defi nitions.
ATX Power 24-pin Connector
Pin# Defi nition
13
+3.3V
14
-12V
15
COM
16
PS_ON
17
COM
18
COM
19
COM
20
Res (NC)
21
+5V
22
+5V
23
+5V
24
COM
12V 8-pin PWR Connector
Pins
1 through 4
5 through 8
Required Connection
Pin# Defi nition
1
2
Pin# Defi nition
3
4
5-12
Pin Defi nitions
Pin # Defi nition
1
+3.3V
2
+3.3V
3
COM
4
+5V
5
COM
6
+5V
7
COM
8
PWR_OK
9
5VSB
10
+12V
11
+12V
12
+3.3V
Pin Defi nitions
Defi nition
Ground
+12V
Power Button
Pin Defi nitions
(JF1)
PW_ON
Ground
Reset Button
Pin Defi nitions
(JF1)
Reset
Ground
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