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Connecting Case Components
After you have installed the motherboard into a case, you can begin connect-
ing 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
SPEAKER1.
4.
Connect the case
LED cable to
SJ1/LSJ1.
5.
Connect the case
switches and indicator
to PANEL1.
6.
Connect the standard
power supply connec-
tor to ATX1.
ATX1: ATX 20-pin Power Connector
Pin
Signal Name
1
+3.3V
2
+3.3V
3
Ground
4
+5V
5
Ground
6
+5V
7
Ground
8
PWRGD
9
+5VSB
10
+12V
CPUFAN1/CASFAN1: FAN Power Connectors
Pin
Signal Name
1
GND
2
+12V
3
Sense
SPEAKER1: Internal speaker
Pin
Signal Name
1
Signal
2
NC
3
NC
4
VCC
Pin
Signal Name
11
+3.3V
12
-12V
13
Ground
14
PS ON#
15
Ground
16
Ground
17
Ground
18
-5V
19
+5V
20
+5V
Function
System Ground
Power +12V
Sensor
10
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