15
INT A INT B INT C INT D
INT E
INT F INT G INT H
Slot 1
√
Onboard VGA
Onboard USB
√
Onboard USB 1
√
AC97/MC97
√
IMPORTANT!
If using PCI cards on shared slots, make sure that the drivers support
“Shared IRQ” or that the cards don’t need IRQ assignments. Conflicts will
arise between the two PCI groups that will make the system unstable or
cards inoperable.
2-6 Connectors, Headers
2-6-1 Connectors
(1)
Power Connector (20-pin block) : ATX-PW
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.
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/MS
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.
(3)
USB Port connector: USB
The connectors are 4-pins connector that connect USB devices to the system board.
(4)
Parallel Port Connector (25-pin female): PARALL
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)
Serial Port COM1: COM1
COM1 is the 9-pin D-Subminiature mail connector. The On-board serial port can be disabled
through BIOS SETUP. Please refer to Chapter 3 “INTEGRATED PERIPHERALS SETUP“ section for
more detail information.
