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2-6 Connectors, Headers
2-6-1 Connectors
(1)
Power Connector (20-pin block) : P2
ATX Power Supply connector. This is a new defined 20-pins connector that usually
comes with ATX case. The ATX Power Supply allows to use soft power on momentary
switch that connect from the front panel switch to 2-pins Power On jumper pole on the
motherboard. When the power switch on the back of the ATX power supply turned on,
the full power will not come into the system board until the front panel switch is
momentarily pressed. Press this switch again will turn off the power to the system
board.
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PIN
ROW2 ROW1
1 3.3V
3.3V
2 -12V
3.3V
3 GND
GND
4 Soft Power On 5V
5 GND
GND
6 GND
5V
7 GND
GND
8 -5V
Power OK
9 +5V
+5V (for Soft Logic)
10 +5V
+12V
Pin 1
(2)
PS/2 Mouse & PS/2 Keyboard Connector: KB&MS1
If you are using a PS/2 mouse, you must purchase an optional PS/2 mouse set which
connects to the 5-pins block and mounts to an open slot on your computer’s case.
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PS/2 MOUSE
PS/2 KEYBOARD