8
COPEN (2-pin): Case Open Message Display Function Pitch=2.54mm
Pin1
COPEN
→
Case Open Detection
C
A
S
E
O
P
E
N
G
N
D
Pin 1-2 Short
:
When Case open function pin short to GND, the Case open function
was detected. When Used, needs to enter BIOS and enable
‘
Case Open Detect
’
function. In this case if your case is removed, next time when you restart your
computer, a message will be displayed on screen to inform you of this.
JP2 (4-pin): COM1 Port Pin9 Function Select Pitch=2.0mm
JP2
→
COM1 Port Pin-9
4-6 Closed:
RI= 12V.
1
3
5
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
4
6
2
1
3
5
4 2
6
2
4
6
1
3
5
JP3 (4-pin): COM2 Port Pin9 Function Select Pitch=2.0mm
JP3
→
COM2 Port Pin-9
4-6 Closed:
RI= 12V.
1
3
5
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
4
6
2
1
3
5
4 2
6
2
4
6
1
3
5
JP2
JP3
COPEN
