18
2-6 Connectors, Headers
2-6-1 Connectors
(1) Power Connector (20-pin block) : ATXPWR
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-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.
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
ROW2
ROW1
(2) PS/2 Mouse & PS/2 Keyboard Connector: PS2 KB/MS
If you are using a PS/2 mouse, you must purchase an optional PS/2 mouse set
which connects to the 5-pin block and mounts to an open slot on your
computer’s case.
(3) USB Port connector: USB_A
The connectors are 4-pin connector that connect USB devices to the system
board.
(4) Parallel Port Connector (25-pin female): PRINT
Parallel Port connector is a 25-pin D-Subminiature Receptacle connector. The
On-board Parallel Port can be disabled through the BIOS SETUP. Please refer
to Chapter 3 “INTEGRATED PERIPHERALS SETUP” section for more
detail information.
(5) Audio and Game Connector : GAME
This Connector are 3 phone Jack for LINE-OUT, LINE-IN, MIC and a 15-pin
D-Subminiature Receptacle Connector for joystick/MIDI Device.
Line-out :
Audio output to speaker
Line-in :
Audio input to sound chip
MIC :
Microphone Connector
Game/MIDI : For joystick or MIDI Device