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Pin (1-3) of AT_COPEN (5-pin): ATX Mode & AT Mode Select
*Note: ATX Mode Selected: Press power button to power on after power input ready;
AT Mode Selected: Directly power on as power input ready.
User needs to restart the system for the settings to take effect.
Pin (4-5) of AT_COPEN (5-pin):Case Open Message Display Function Select
Pin (4-5) 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.
Pin(1-3) of AT_COPEN → ATX/AT Mode Select
AT_COPEN
Pin(4-5) of AT_COPEN → Case Open Detection
AT_COPEN
9
Pin1
1-2 Closed: ATX Mode Selected;
Pin1
2-3 Closed: AT Mode Selected.
Pin1
5
5
5
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