Specifications:Value-conscious for FSB800 DDR400-Intel 848P Chipset-Intel FSB800-DDR400 Memory-Intel Hyper-Threading Technology-AGP8X Technology-Serial ATACPU - Socket 478 for Intel Pentium 4/ Celeron up to 3.6GHz - Intel Hyper-Threading Technology ready- New power design supports Intel next generation Prescott CPU!Chipset Intel 848P MCHIntel ICH5Front Side Bus 800/533/400MHzMemory 2 x 184-pin DIMM Sockets support max. 2GB PC3200/PC2700/PC2100 non-ECC DDR SDRAM memoryExpansion Slots 1 x AGP 8X (0.8V, 1.5V only)4 x PCIStorage/RAID 2 x UltraDMA 100/66/33Built-in ICH5 supports 2 x Serial ATAAudio ADI AD1888 SoundMAX 6-channel audio CODECsupport S/PDIF out interfaceLAN Realtek RTL8101L 10/100 Mbps LAN PCI controllerUSB Integrated 8 USB2.0 portsOverclocking Features - ASUS JumperFree- CPU, Memory, and AGP voltage adjustable- SFS (Stepless Frequency Selection) from 100MHz up to 266MHz at 1MHz increment- Adjustable FSB/DDR ratio. Fixed AGP/PCI frequencies.- ASUS C.P.R. (CPU Parameter Recall)Special Features Support S/PDIF out InterfaceASUS C.P.R. (CPU Parameter Recall)ASUS EZ FlashASUS MyLogoASUS CrashFree BIOS 2Back Panel I/O Ports 1 x Parallel1 x Serial1 x PS/2 Keyboard1 x PS/2 Mouse1 x Audio I/O1 x SPDIF out1 x RJ454 x USB 2.0Internal I/O Connectors - 2 x USB 2.0 connector support additional 4 USB 2.0 ports- CPU / Chassis FAN connectors- Chassis Intrusion- 20-pin ATX Power connector- 4-pin ATX 12V Power connector- CD / AUX audio in- Game/MIDI port connector- 20 Pin Panel connector- Front Panel Audio connectorBIOS 3Mb Flash ROM, AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.3, ACPI, ASUS EZ Flash, CrashFree BIOS , ASUS MyLogoIndustrial Standard PCI 2.2, USB2.0Manageability WfM 2.0,DMI 2.0,WOL by PME,WOR by PMEPower Requirement ATX power supply (with 4-pin 12V plug)Support Disc - Drivers- ASUS PC Probe- ASUS LiveUpdate Utility- Trend Micro PC-cillin 2002 anti-virus software (OEM version)Accessories User's manual1 x UltraDMA cable1 x FDD cable2 x Serial ATA cableI/O shieldForm Factor ATX Form Factor 12"x 7.0" (30.5cm x 17cm)