10
Installing the Motherboard
CPUFAN1/CASFAN1: FAN Power Connectors
Connecting Case Components
After you have installed the motherboard into a case, you can begin con-
necting the motherboard components. Refer to the following:
1
Connect the CPU cooling fan cable to
CPUFAN1.
2
Connect the case cooling fan connector to
CASFAN1
.
3
Connect the case speaker cable to
SPK1.
4
Connect the case switches and indicator LEDs to the
PANEL1.
If there are 3
pins in the case LED cable, connect to
SJ1.
5
Connect the standard power supply connector to
ATX1.
6
Connect the auxiliary case power supply connector to
ATX2.
SJ1: Single-color LED header
ATX1: ATX 20-pin Power Connector
SPK1: Internal speaker
Pin
Signal Name
1
VCC
2
Key
4
Signal
3
Ground
ACPI LED function
Pin
Signal Name
1
ACPI LED
2
ACPI LED
3
5VSB
Pin
Signal Name
1
GND
System Ground
2
+12V
Power +12V
3
Sense
Sensor
Pin
Signal Name Function
1
+3.3V
11
+3.3V
2
+3.3V
12
-12V
10
+12V
20
+5V
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
Pin
Signal Name
Pin
Signal Name
Light Blinking Blinking Dark
S0 S1 S3 S4/S5