15INT A INT B INT C INT D INT E INT F INT G INT HSlot 1 √Onboard VGAOnboard 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 willarise between the two PCI groups that will make the system unstable orcards inoperable.2-6 Connectors, Headers2-6-1 Connectors(1) Power Connector (20-pin block) : ATX-PWATX Power Supply connector. This is a new defined 20-pins connector that usuallycomes with ATX case. The ATX Power Supply allows to use soft power on momentaryswitch that connect from the front panel switch to 2-pins Power On jumper pole on themotherboard. 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 ismomentarily pressed. Press this switch again will turn off the power to the systemboard.PIN ROW2 ROW11 3.3V 3.3V2 -12V 3.3V3 GND GND4 Soft Power On 5V5 GND GND6 GND 5V7 GND GND8 -5V Power OK9 +5V +5V (for Soft Logic)10 +5V +12VPin 1(2) PS/2 Mouse & PS/2 Keyboard Connector: KB/MSIf you are using a PS/2 mouse, you must purchase an optional PS/2 mouse set whichconnects to the 5-pins block and mounts to an open slot on your computer’s case.(3) USB Port connector: USBThe connectors are 4-pins connector that connect USB devices to the system board.(4) Parallel Port Connector (25-pin female): PARALLParallel 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.