C
C
o
o
n
n
n
n
e
e
c
c
t
t
i
i
n
n
g
g
C
C
a
a
s
s
e
e
C
C
o
o
m
m
p
p
o
o
n
n
e
e
n
n
t
t
s
s
After you have installed the mainboard into a case, you can begin connecting
the mainboard components. Refer to the following:
1.
Connect the power
connector from the
power supply to the
ATX1
connector on
the mainboard.
2.
Connect the CPU
cooling fan cable to
CPUFAN1
.
3.
If there is a cooling
fan installed in the
system chassis,
connect the cable
from the cooling fan to
the
SYSFAN1
fan
power connector on
the mainboard.
4.
Connect the case
switches and indicator
LEDs to the
SW1
header.
5.
Connect the case
speaker cable to
SPK1
.
ATX1: ATX 20-pin Power Connector
Pin
Signal Name
Pin
Signal Name
1 +3.3V
11 +3.3V
2 +3.3V
12 -12V
3 Ground
13 Ground
4 +5V
14 PS
ON#
5 Ground
15 Ground
6 +5V
16 Ground
7 Ground
17 Ground
8 PWRGD
18 +5V
9 +5VSB
19 +5V
10 +12V
20 +5V
CPUFAN1/SYSFAN1: FAN Power Connectors
Pin
Signal Name
Function
1 GND
System
Ground
2 +12V
Power
+12V
3 Sense
Sensor
10
