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3304120 User's Manual
z CN2: External VCC Out Connector
z CN4: External Reset Button
z FN1: Fan Connector
Connector FN1 onboard 3304120 is a 3-pin fan power output
connector. And 3304120 supports +5V Fan only.
3.9
System Front Panel Connectors
The 3304120 has one LED at location J2 that indicates the power-on
status. This visual feature of the IDE LED may also be connected to a
HDD LED, power button, reset switch, speaker and power LED via
connector J2(1-3), J2(5-7), J2(9-11), J2(2-4-6-8), and J2(10-12).
z J2: System Front Panel Connector
PIN
Description
1
VCC
2
GND
3
GND
4
VCC
PIN
Description
1
RST_SW
2
GND
3
GND
4
GND
PIN
Description
1
GND
2
+5V
3
N/C
PIN Description
PIN
1
330
Pull +5V
3
HDD LED
5
PW Button
7
GND
9
Reset Switch
10
11
GND
12
1
4
3
4
1
2
1
3
Description
2
Speaker
4
N/C
6
GND
8
330
Pull +5V
330
Pull +5V
PW _LED
11
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