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2-6 External Connectors
1. ATX Power Connector (20-pins block): PW1
ATX Power Supply connector. This is a new defined 20-pin 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-pin 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.( * Please wait aleast 4sec , when turn off and turn on the
power .)
2. PS/2 Mouse & PS/2 Keyboard Connector: KBMS1
The PS/2 Keyboard is a 6-pin miniature DIN connector. It is for a standard PS/2 style
keyboard. May also be known as a 101 enhanced keyboard. The PS/2 Mouse
connector is a similar 6-pin, miniature DIN connector.
3. Parallel Port Connector (25-pin female): LPT1
Parallel Port connector is a 25-pin D-Subminiature Receptacle connector. The On-
board Parallel Port can be disabled through the BIOS SETUP.
Chapter 3 "INTEGRATED PERIPHERALS SETUP" section for more detail
information.
PIN
ROW2
1
3.3V
2
-12V
3
GND
4
Soft Power On
5
GND
6
GND
7
GND
8
-5V
9
+5V
10
+5V
PS/2 Mouse
PS/2 Keyboard
Parallel Port Connector
10
ROW1
3.3V
3.3V
GND
5V
GND
5V
GND
Power OK
+5VSB(for Soft Logic)
+12V
Please refer to
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