Mfr Part Number: P5P800 CPU: LGA775 Supports Intel P4 04B/04A Processors FSB: 800/533/400 MHz Chipset: Intel 865PE / ICH5 Chipset Memory: Four DIMMs For DDR400/333/266 Up To 4GB; Dual Channel IDE: 2 x ATA100 + 2 x Serial ATA Slot: 1 x AGP(8x/4x); 5 x PCI LAN: Marvell 88E8001 Gigabit LAN Audio: ADI1985 6-Channel Codec; S/PDIF Out Interface Max USB2.0 Form Factor: ATX Availability: Usually ships in 2-3 business days. Asus P5P800 Regular price: $89.95Sale price: $89.95 Pretest - Standard Prestest (Avoids Costly RMAs): (+$9.89)No Thanks Pretest - Perform Complete Pretest (Includes: Hardware-Software Diagnostics, Burn-In and Updates) Software Diagnostics, Burn-In and Updates): (+$19.89) No Thanks Latest Revision of Motherboard, with Updated Bios On Retail Box Motherboard & 1 yr Extended Warranty: (+$24.98) No Thanks Software Promotion: Windows XP Home Edition(+$99.95)Windows XP Pro(+$154.95)WINDOWS 2000 PRO(+$151.95)No Thanks for Offer Warranty Upgrade: 60 Days Motherboard/Processor(+$9.49)1 Year Motherboard/Processor(+$14.25)2 Year Motherboard/Processor(+$19.98)No Thanks 30 Days Is Fine Expedite Shipping:: Ship in next 24 working hours (+$4.99)No