CPU: Support for an Intel® Core™ 2 Extreme processor/ Intel® Core™ 2 Quad processor/ Intel® Core™ 2 Duo processor/ Intel® Pentium® processor Extreme Edition/Intel® Pentium® D processor/ Intel® Pentium® 4 processor Extreme Edition/Intel® Pentium® 4 processor/ Intel® Celeron® processor in the LGA 775 package L2 cache varies with CPU Front Side Bus: 1600(O.C.)/1333/1066/800 MHz FSB Chipset: North Bridge: Intel® P31 Express South Bridge: Intel® ICH7 Memory: 2 x 1.8V DDR2 DIMM sockets supporting up to 4 GB of system memory Dual channel memory architecture Support for 1066(O.C.)/800/667 MHz memory modules * Please refer "Memory Support List" for memory support information. Audio: Realtek ALC662 codec High Definition Audio 2/4/5.1-channel Support for S/PDIF Out Support for CD In LAN: RTL 8111B chip (10/100/1000 Mbit) Expansion Slots: 1 x PCI Express x16 slot 3 x PCI Express x1 slots 3 x PCI slots Storage Interface: South Bridge: 1 x IDE connector supporting ATA-100/66/33 and up to 2 IDE devices 4 x SATA 3Gb/s connectors supporting up to 4 SATA 3Gb/s devices iTE IT8718 chip: 1 x floppy disk drive connector supporting up to 1 floppy disk drive USB: Integrated in the South Bridge Up to 8 USB 2.0/1.1 ports (4 on the back connected to the internal USB headers) Internal I/O Connectors: 1 x 24-pin ATX main power connector 1 x 4-pin ATX 12V power connector 1 x floppy disk drive connector 1 x IDE connector 4 x SATA 3Gb/s connectors 1 x CPU fan header 1 x system fan header 1 x front panel header 1 x front panel audio header 1 x CD In connector 1 x S/PDIF Out header 2 x USB 2.0/1.1 headers 1 x chassis intrusion header 1 x power LED header Back Panel Connectors: 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x parallel port 1 x serial port 4 x USB 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks (Line In/Line Out/Microphone) I/O Controller: iTE IT8718 chip H/W Monitoring: System voltage detection CPU temperature detection CPU/System fan speed detection CPU overheating warning CPU/System fan fail warning CPU fan speed control BIOS: 1 x 4 Mbit flash Use of licensed AWARD BIOS PnP 1.0a, DMI 2.0, SM BIOS 2.3, ACPI 1.0b Unique Features: Support for @BIOS Support for Download Center Support for Q-Flash Support for EasyTune Support for Xpress Install Support for Xpress Recovery2 Support for Virtual Dual BIOS Operating System: Support for Microsoft® Windows Vista/XP/2000 Form Factor: ATX Form Factor; 30.5cm x 19.4cm