11
2-5-3 Interrupt Request Table For This Motherboard
Interrupt request are shared as shown the table below:
INT A INT B
INT C
INT D
INT E
INT F
INT G
INT H
Slot 1
√
Slot2
√
Slot3
√
Slot4
√
Onboard VGA
√
Onboard USB
√
Onboard USB 1
√
Onboard USB 2
√
LAN
√
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) : ATXPWR
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.
(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.
Pin 1
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
