DDR3 Dual channel Memory Dual-VGA output (RGB&DVI) ASUS EPU ASUS Turbo Key ASUS Anti-Surge Protection Direct X 10 Support CPU Intel Socket 775 Core 2 Quad/ Core 2 Extreme/ Core 2 Duo/ Pentium dual-core/ Celeron dual-core / Celeron Processors Support Intel 45nm Multi-Core CPU Intel Hyper-Threading Technology ready Support Enhanced Intel Speed Step Technology (EIST) Chipset Intel G41 / ICH7 Front Side Bus 1333/1066/800 MHz Refer to www.asus.com for Intel CPU support list Memory 2 x DIMM, Max. 8 GB, DDR3 1333 (O.C.)/1066/800 Non-ECC, Un-buffered Memory Dual Channel memory architecture Refer to www.asus.com or user manual for Memory QVL (Qualify Vendor List) Expansion Slots 1 x PCIe x 16 1 x PCIe x 1 2 x PCI VGA Integrated Intel GMA X4500 graphics Supports DVI with HDCP compliant with max. resolution 1920x 1200 (@ 60 Hz) Supports RGB with max. resolution 2048 x 1536 (@75 Hz) Supports Microsoft Direct X 10 Storage Southbridge 1 x Ultra DMA 100/66/33 4 x SATA 3 Gb/s ports LAN PCIE Gb LAN Audio ALC887 8-Channel High-Definition Audio CODEC USB 8 USB (Universal Serial Bus) 2.0/1.1 ports (4 ports at mid-board, 4 ports at back panel) ASUS Unique Features ASUS Crash Free BIOS 3 ASUS AI NET2 ASUS Q-Fan ASUS EZ Flash 2 ASUS My Logo 2 ASUS Anti-Surge ASUS Turbo Key ASUS Express Gate ASUS EPU 4 Engine Back Panel I/O Ports 1 x VGA 1 x PS/2 Keyboard 1 x PS/2 Mouse 1 x LAN (RJ45) port 4 x USB (Universal Serial Bus) 2.0/1.1 3 x Audio jacks 1 x DVI-D Internal I/O Connectors 2 x USB (Universal Serial Bus) connectors support additional 4 USB (Universal Serial Bus) ports 1 x CPU Fan connector 1 x Chassis Fan connector 1 x Front panel audio connector 1 x S/PDIF Out connector 1 x 24-pin EATXPWR Power connector 1 x 4-pin ATX 12V Power connector 4 x Serial ATA connectors 1 x System Panel connector 1 x IDE connector 1 x Parallel port 1 x COM BIOS 8 Mb Flash ROM, AMI BIOS, Pn P, DMI 2.0, Wfm 2.0, ACPI 2.0a, SMBIOS 2.5 Manageability WOL, PXE, WOR by Ring, PME Wake Up Accessories Users manual 1 x I/O Shield 1 x Ultra DMA 133/100/66 cable 2 x SATA cable (s) Support Disc Drivers ASUS PC Probe II ASUS Update Form Factor u ATX Form Factor 9.6 inch x 8 inch (24.4 cm x 20.3 cm )