P5WDG2-WS The Extreme Workstation Engine -Intel LGA775 -Pentuim Processor Extreme Edition/ Pentium D/ Pentium 4 -ATI CrossFire -Dual channel DDR2 -PCI Express x 16 -PCI-X -Serial ATA 3Gb/s (RAID0, RAID1, RAID5, RAID10) -Intel MPT -PEG Link -AI NOS Specification Socket 775 for Intel Pentium Processor Extreme Edition / Pentium D / Pentium 4 / Celeron CPU - Support Intel® EM64T / EIST / Hyper-Threading / VT / XD Technology Chipset North Bridge: Intel 975X (support ATi CrossFire dual Gfx technology) South Bridge: Intel ICH7R PCI-X Bridge: 6702 PXH Front Side Bus 1066/800 MHz Memory 4 x DIMM, max. 8GB, DDR2 667/533, ECC and non-ECC un-buffered memory Dual channel architecture Native DDR2 800 Support Expansion Slots 2 x PCI-E x 16 slots 2 x PCI-X 2 x PCI 2.2 Storage Intel ICH7R controller: - 4 x SATA 150/300 (RAID 0,1,10,5) - 1 x ATA Ext SATA controller: - 4 x SATA 150/300 Audio Realtek ALC882, 8 channels +2 Channel High Definition Audio codecs Multi-Streaming Jack Sensing and Enumeration Jack Retasking S/PDIF Out interface LAN Marvell 88E8066/8062 PCI-E Dual Gb LAN controller WiFi AP module (Optional) USB 8 x USB 2.0 ports Special Features ASUS AI NET 2 ASUS AI Overclocking ASUS MyLogo2 ASUS CrashFree BIOS 2 ASUS C.P.R. ASUS CPU Lock Free ASUS Hyper Path 3 AI Quiet EZ Flash PEG Link Precision Tweaker SFS (Stepless Frequency Selection) from 133MHz up to 400MHz at 1MHz increment CPU, memory, PCI-expressx16 voltage adjustable ASUS Q-Fan2 (2 thermal sensor control: CPU + Chassis1) Stack Cool 2 8-Phase Power Design Back Panel I/O Ports Parallel PS/2 Keyboard PS/2 Mouse RJ45 S/PDIF Out (Coaxial + Optical) 4 x USB IEEE 1394a Audio I/O WLAN antenna jack (Optional) Internal I/O Connectors 4 x USB 8-pin ATX+12V power 24-pin ATX Power connector 4-pin EZ Plug Chassis intrusion CPU fan with PWM control Chassis fan1 with Q-fan control Chassis fan2 with on/off control PWR fan IDE connector Floppy disk drive connector Serial ATA connectors CD audio in GAME/MIDI connector IEEE 1394a port Front panel audio connector BIOS 8Mb flash ROM, AMI BIOS, Green, PnP, DMI, Wfm2.0, ACPI v2.0a, SMBIOS v 2.3, EZ flash, CrashFree BIOS2 Manageability WOL by PME, WOR by PME, PXE, AI NET, Chassis Intrusion Support CD Drivers BIOS flash utility under DOS AI Booster ASUS PC Probe II RAID utility Symantec NIS 2005 Adobe Acrobat Reader ver 7.0 Microsoft Direct X ver 9.0C Accessories User's manual UltraDMA cable FDD cable 2-port USB/ Game port module 1 port 1394a module I/O shield SATA cable SATA power cable WinDVD WiFi Antenna (Optional) Form Factor ATX Form Factor, 12"x 9.6"(30.5cm x 24.5cm)