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Pin(1-2) of AT_COPEN (4-pin): No Function
AT_COPEN
Pin(3-4) of AT_COPEN (4-pin): Case Open Message Display Function Select
AT_COPEN
Pin (3&4) Closed: 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.
Pin(1-2) of AT_COPEN
2
Pin1
Pin(3-4) of AT_COPEN →
Case Open Dectect Select
2
Pin1
3-4 Open: Normal(Default);
;
2
Pin1
3-4 Closed: Case Open Function.
Selected(One Touch).
12
→ No Function
4
3
4
3
4
3
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