beautypg.com

Jetway Computer NF9N User Manual

Page 14

background image





9

Pin 1 & 2 of AT_COPEN (4-pin): AT Mode Function Select

AT_COPEN(Pin 1&2)

AT Mode Select

1-2 Close: AT Mode Selected.

1-2 Open: ATX Mode Selected;

Pin 1

2

2

4

4
3

Pin 1

3

*ATX Mode Selected: Press power button to power on after power input ready;
AT Mode Selected: Directly power on as power input ready.

Pin 3 & 4 of AT_COPEN (4-pin): Case Open Message Display Function Select

AT_COPEN (Pin 3&4)

Case Open Function Select

3-4 Close: Case Open Function Selected (One Touch).

3-4 Open: Normal;

Pin 1

2

2

4

4

3

Pin 1

3

Pin 3-4 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’