13
Hardware Installation
PWR1-Pin Definition
Pin
Signal
Pin
Signal
1
+3.3V
13
+3.3V
2
+3.3V
14
-12V
3
GND
15
GND
4
+5V
16 PS_ON
5
GND
17
GND
6
+5V
18
GND
7
GND
19
GND
8
PWROK
20
-5V
9
+5V_AUX 21
+5V
10
+12V
22
+5V
11
+12V
23
+5V
12
+3.3V
24
GND
24-pin ATX Power Connector
PWR1
is the main power supply connector. Make sure that the power supply cable
and pins are properly aligned with the connector on the motherboard. Firmly plug the
power supply cable into the connector and make sure it is secure.
4-pin ATX_12V Power Connector
PWR3
, the 4-pin ATX 12V power connection, is used to provide power to the CPU. Align the pins
to the connector and press firmly until seated.
PWR3-Pin Definition
Pin
Signal
1
GND
2
GND
3
+12V
4
+12V
.
.
.
120
240
121
120
240
121
1.5V
1.5V
PWR1
1
12
13
24
PWR3
1
