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JP9 (COM1, 2) / JP4 (COM3, 4) Voltage Selector:
Voltage
COM1(JP9) COM2(JP9) COM3(JP4) COM4(JP4)
+12V(dc) 1-2
R.I.
3-4
+5V(dc) 5-6
JP10, JP11: RS232 / 422 / 485 Selector for COM2
TYPE
RS-232
RS-422/485 Full Duplex
* Make sure the port mode is set up correctly before installing any peripherals.
JP12' s Pin 9~11: On-board Power Good Selector
Pin 9-10
Pin 10-11
JFAN1, JFAN2: CPU / 2nd Cooling Fan Connector
Pin No.
Function
Pin 1
Sensor Pin.
Pin 2
+12V
Pin 3
GND
JP12' s Pin12;13;16;17;18: For ATX Power Supply
Close Pin 16-17
Close Pin 17-18
Pin 12; Pin 13
12: Case Panel Connection:
Pin No.
Description
1,2
HDD_LED -/+
3,6
External Speaker
4,5
Onboard Buzzer
7-8
1-2
9-10
3-4
11-12
5-6
JP10
1-2, 4-5, 7-8, 10-11
2-3, 5-6, 8-9, 11-12
Using External Power Good
Using On Board Power Good
Using PS/2 AT Power Supply
Using ATX Power Supply
On/Off Switch for ATX Power
7-8
9-10
11-12
JP11
1-2
3-4, 7-8
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