Power connectors (CN8, CN1)
ATX power connector (CN8)
The ATX power supply uses 20-pin connector shown below. Make
sure you plug in the right direction.
ATX power connector
Pin
1
2
3
4
5
6
7
8
9
10
CPU fan power connector (CN1)
Plug in the fan cable to the 3-pin fan connector onboard. The fan
connector is marked CN1.
CPU fan power connector (CN1)
Pin
1
2
3
(CN8)
Signal
N/C
N/C
GND
+5V
GND
+5 V
GND
N/C
5V SB
+12V
Signal
Fan speed sense
+12V
GND
Pin
Signal
11
N/C
12
-12V
13
GND
14
PON
15
GND
16
GND
17
GND
18
-5V
19
+5V
20
+5V
Chapter 2 Installation 25