122-5-4 AGP SlotThis motherboard provides an AGP Slot, support the 2X/4X AGP VGA card.AGP SLOT2-6 Connectors, Headers2-6-1 Connectors(1) Power Connector (20-pin block) : ATXPWRATX 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) ATX 12V Power Connector (4-pin block) : ATX12VThis is a new defined 4-pins connector that usually comes with ATX Power Supply. TheATX Power Supply which fully support Pentium 4 processor must including thisconnector for support extra 12V voltage to maintain system power consumption.Without this connector might cause system unstable because the power supply can notprovide sufficient current for system.2x notch 4x notch