Zotac H55 series, User Manual

Page: 14 / 46

13
Hardware Installation
24-pin ATX Power Connector-PW1
PW1 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.
PW1-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
4-pin ATX_12V Power Connector-PW2
PW2 , the 4-pin ATX 12V power connector, is used to provide power to the CPU. Align
the pins to the connector and press firmly until seated.
PW2-Pin Definition
Pin Signal
1 GND
2 GND
3 +12V
4 +12V
12 0 24 0
12 1
12 0 24 0
12 1
1
.5
V
1
.5
V
115XLM
L
G
A
1
1
5
6
REMOVE
L
O
T
E
S
1
PW2
PW1
1
12
13
24