ASUS M3N78 SE BIOS M3N78-SE Ver: 1002 CPU AMD Socket AM2+ / AM2 Phenom™ FX/Phenom™/Athlon™ /Sempron™ Processors AMD Cool 'n' Quiet™ Technology AMD Live!™ Ready Support CPU up to 125W Support 45nm Phenom™ II CPU Chipset NVIDIA nForce 720D （MCP78D）/ GeForce 8200（MCP78S） System Bus Up to 5200 MT/s ; HyperTransport™ 3.0 interface for AM2+ CPU 2000 / 1600 MT/s for AM2 CPU Memory 2 x DIMM, Max. 8 GB, DDR2 1066*/800/667/533 ECC,Non-ECC,Un-buffered Memory Dual Channel memory architecture *Due to AMD CPU limitation, DDR2 1066 is supported by AM2+ CPU for one DIMM per channel only. *Refer to www.asus.com for the memory QVL (Qualified Vendors List) Expansion Slots 1 x PCIe x16 2 x PCIe x1 3 x PCI Storage Chipset 1 xUltraDMA 133/100 4 xSATA 3 Gb/s ports Support RAID 0,1,0+1,5 LAN NVIDIA nForce built-in Gigabit MAC with external Realtek8211CL-GR PHY Audio ALC662 High Definition Audio 6 -Channel CODEC - Supports Jack-detect and Multistreaming teconologies - Supports S/PDIF out interface USB 12 USB 2.0 ports (6 ports at mid-board, 6 ports at back panel) ASUS Unique Features ASUS Quiet Thermal Solution - ASUS Q-Fan ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 2 - ASUS MyLogo 2 - ASUS AI NET 2 Overclocking Features SFS (Stepless Frequency Selection) - HT tuning from 200MHz up to 550MHz at 1MHz increment - Adjustable CPU Voltage at 0.05V increment - Memory tuning from 533MHz up to 1066MHz - PCIe frequency tuning from 100MHz up to 150MHz at 1MHz increment Overclocking Protection: - ASUS C.P.R. (CPU Parameter Recall) Back Panel I/O Ports 1 x PS/2 Keyboard/Mouse Combo port 1 x RJ45 port 1x LPT 1x COM 6 x USB 2.0/1.1 6-Channel Audio I/O Internal I/O Connectors 3 x USB connector (6 ports) 1 x Floppy disk drive connector 4 x SATA connectors 1 x CPU Fan connector 1 x Front panel audio connector 1 x S/PDIF Out connector 1 x CD audio in connector 1 x 24-pin ATX Power connector 1 x 4-pin ATX +12V Power connector 1 x System Panel connector BIOS 8 Mb Flash ROM AMI BIOS, PnP, DMI2.0, WfM2.0, SM BIOS 2.5, ACPI 2.0, ASUS EZ Flash 2 Accessories 1 x UltraDMA 133/100/66 cable 1 x SATA cable 1 x SATA power cable 1 x I/O Shield User's manual Support Disc Drivers ASUS PC Probe II ASUS Update Anti-virus software (OEM version) Form Factor ATX Form Factor 12 inch x 8.6 inch ( 30.5 cm x 21.8 cm )