Jetway Computer NF9VT - Manual (Page 14)

9
Pin 1 & 3 of AT_COPEN (4-pin): AT Mode Function Select
AT_COPEN(Pin 1&3) → AT Mode Select
1-3 Close: AT Mode Selected.
1-3 Open: ATX Mode Selected(Default);
2
4
Pin 1
3
Pin 1
3
2
4
*ATX Mode Selected: Press power button to power on after power input ready;
AT Mode Selected: Directly power on as power input ready.
Pin 2 & 4 of AT_COPEN (4-pin): Case Open Message Display Function Select
AT_COPEN(Pin 2&4) → Case Open Function Select
2-4 Close: Case Open Function Selected (One Touch).
2-4 Open: Normal(Default);
4 3
3 4
1
1
Pin2
Pin2
Pin 2-4 Close: 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’