Support Celeron D CPU.(Beta Version)Features:Intel Pentium 4 Processor (Celeron/Willamette/Northwood/Prescott)Socket 478 with FSB 400/533/900 (by overclocking ) MHz( FSB 900MHz setting available by overclocking )4 DDR 333/266/400(by overclocking) Memory Sockets( Dual Channel DDR333/DDR400 by overclocking )6 Channel AC97 Audio2 Serial ATA150 Channels,2 ATA100 Channels, up to 4 ATA 100 IDE Devices8 USB 2.0/1.1 Ports (6 ports by optional cable)ProcessorSocket 478 Intel Pentium 4 Processor (Celeron/Willamette/Northwood/Prescott)FSB / Transport400/533/800 MHz( FSB 900MHz setting available by overclocking )ChipsetNorth Bridge : Intel 865PSouth Bridge : Intel ICH5Audio Codec : Realtek ALC650I/O Chip: Winbond Smart I/O W83627HFMemory4 * DDR Sockets:DDR400/333/DDR266 NON-ECC DDR SDRAM up to 4GBNote 1: If the FSB of your CPU is 400 MHz, the memory speed supports only DDR 266.Note 2: If the FSB of your CPU is 533 MHz, the memory speed supports DDR 266/333Note 3: If the FSB of your CPU is 800 MHz (Overclocked), the memory speed supports DDR 333/400Expansion Slots1 x AGP(3.0) 8X slot ( 1.5V & 0.8V only)5 x PCI slots (PCI 2.3 compliant)IDE / SATA Connectors2 ATA100/66 Channels, up to 4 ATA 100 IDE devicesOnboard I/O Connectors1 x Floppy Connector3 x USB 2.0/1.1 header (6 ports by optional cable)1 x CD_IN header1 x S/PDIF in/out header (S/PDIF in/out cable optional)1 x CPU fan header ( 1 fan rotation detection function )2 x System fan headers ( 2 fan rotation detection function )1 x 10 pin system panel header (Intel spec)1 x 3 pin Power LED header1 x Front audio header (Intel spec)1 x IrDA header1 x Case Open detection headerI/O via Back PanelPS/2 keyboard/mouse, 2 x USB(2.0/1.1), RJ45,2 x Com(serial), 1 x Parallel, 1x Line-in/Line-out(Speaker Out)/MICPower20-pin ATX power connector, 4-pin ATX 12V power connectorBIOS Feature3Mb Flash EEPROMAward BIOS with ACPI, DMI2.0, PnP, WfM2.0, Green Suspend to RAM (S3), Suspend to Disk (S4) Wake on keyboard/mouse, Wake on LAN/RTC TimerHardware Monitoring3FAN sensors, CPU/System voltages and temperature monitoringSpecial FeatureZero Jumper DesignAdjustable CPU frequency by 1 MHz increment, Adjustable Vcore, VAGP, VMemory for overclockingWatch Dog Timer (auto-reset system when it can not handle overclock configurations)AGP Protection (The AGP Protection can ensure the AGP card voltage to be 1.5V, to protect the mainboard and the AGP card.)CertificationsFCC, CE, BSMIForm FactorATX (244mm x 293mm)It is highly recommended to always use the most recent driver version available.Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.