CPU Support for an Intel Core 2 Extreme processor/ Intel Core 2 Quad processor/ Intel Core 2 Duo processor/ Intel Pentium processor/ Intel Celeron processor in the LGA775 package L2 cache varies with CPU (Please refer "CPU Support List" on Gigabytes website for more information.) Front Side Bus 1333/1066/800 MHz FSB Chipset North Bridge: Intel G41 Express Chipset South Bridge: Intel ICH7 Memory DDR3: 2 x 1.5V DDR3 DIMM sockets supporting up to 8 GB of system memory Support for DDR3 1333 (O.C.)/1066/800 MHz memory modules DDR2: 2 x 1.8V DDR2 DIMM sockets supporting up to 8 GB of system memory * Due to Windows 32-bit operating system limitation, when more than 4 GB of physical memory is installed, the actual memory size displayed will be less than 4 GB. Support for DDR2 1066 (O.C.)/800/667 MHz memory modules Dual channel memory architecture (Note: Mixed mode, populating DDR2 & DDR3 memory modules simultaneously is not supported. Please refer " Memory Support List" for the latest supported memory speeds & memory modules.) Onboard Graphics North Bridge: 1 x D-Sub port Audio Realtek ALC887 codec High Definition Audio 2/4/5.1-channel LAN Atheros Gb E LAN chip (10/100/1000 Mbit) Expansion Slots 1 x PCI Express x 16 slot, running at x 16 1 x PCI Express x 1 slot 2 x PCI slots Storage Interface South Bridge: 1 x IDE connector supporting ATA-100/66/33 & up to 2 IDE devices 4 x SATA 3 Gb/s connectors supporting up to 4 SATA 3 Gb/s devices i TE I/O Controller Chip: 1 x floppy disk drive connector supporting up to 1 floppy disk drive USB (Universal Serial Bus) South Bridge: Up to 8 USB (Universal Serial Bus) 2.0/1.1 ports (4 on the back panel, 4 via the USB (Universal Serial Bus) brackets connected to the internal USB (Universal Serial Bus) 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 3 Gb/s connectors 1 x CPU fan header 1 x system fan header 1 x front panel header 1 x front panel audio header 2 x USB (Universal Serial Bus) 2.0/1.1 headers 1 x clear CMOS jumper Back Panel Connectors 1 x PS/2 keyboard port 1 x PS/2 mouse port 1 x parallel port 1 x serial port 1 x D-Sub port 4 x USB (Universal Serial Bus) 2.0/1.1 ports 1 x RJ-45 port 3 x audio jacks (Line In/ Line Out/ Microphone) I/O Controller ITE 8720 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 * Whether the CPU fan speed control function is supported will depend on the CPU cooler you install. BIOS 2 x 8 Mbit flash Use of licensed AWARD BIOS Support for Dual BIOS Pn P 1.0a, DMI 2.0, SM BIOS 2.4, ACPI 1.0b Unique Features Support for @BIOS Support for Q-Flash Support for Xpress BIOS Rescue Support for Download Center Support for Xpress Install Support for Xpress Recovery 2 Support for Easy Tune * Available functions in Easy Tune may differ by motherboard model. Support for Easy Energy Saver * Due to the hardware limitation, you must install the Intel Core™ 2 Extreme/ Core™ 2 Quad/ Core™ 2 Duo/ Pentium Dual-Core/ Celeron Dual-Core/ Celeron 400 Series CPU to enable support for Easy Energy Saver. Support for SMART Recovery Support for Auto Green Support for ON/OFF Charge Support for Q-Share Operating System Support for Microsoft Windows 7/ Vista/XP Form Factor Micro ATX Form Factor; 24.4cm x 21.0cm Remark Due to different Linux support condition provided by chipset vendors, please download Linux driver from chipset vendors' website or 3rd party website. Most hardware/software vendors may no longer offer drivers to support Win 9X/ME/2000/XP SP1/SP2. If drivers are available from the vendors, we will update them on the GIGABYTE website.