MSI G31TM-P21 LGA775 mATX Motherboard, Intel G31 Chipset, Supports Intel Core 2 Quad CPUs, Dual DDR2 800, PCI Express x 16, SATA 3 Gb/s, with 10/100 Fast Ethernet, 7.1 Ch Audio MSI G31TM-P21 LGA775 mATX Motherboard, Intel G31 Chipset, Supports Intel Core 2 Quad CPUs, Dual DDR2 800, PCI Express x 16, SATA 3 Gb/s, with 10/100 Fast Ethernet, 7.1 Ch Audio. Specifications CPU: Intel Core 2 Quad, Core 2 Duo, Pentium and Celeron in the LGA775 package. Chipset: Intel G31 Chipset - Supports FSB 800/1066/1333/1600* (OC) MHz. - Supports dual channel, DDR2 667/800. Intel ICH7 Chipset - Hi-Speed USB (USB2.0) controller, 480Mb/sec, up to 8 ports. - 4 SATA ports with transfer rate up to 3Gb/s. - PCI Master v2.3, I/O APIC. Onboard Video: Intel GMA 3100 Main Memory: - Supports two unbuffered DIMM of 1.8 Volt DDR2 SDRAM - Supports up to 8GB memory size. - Supports dual channel DDR2 memory architecture. - Supports DDR2 667/800 memory interface. - Due to the limitation of G31 chipsets, dual channel support must meet some requirement in the specification of memory modules. please refer to Test Reports for detailed description. Slots: - 1 x PCI Express x16 slot (PCI Express Bus SPEC V1.0a compliant) - 2 x PCI slots (support 3.3V/ 5V PCI bus Interface) On-Board IDE: One Ultra DMA 66/100 IDE controller integrated in ICH7 - Supports PIO, Bus Master operation modes. - Can connect up to two Ultra ATA drives. SATA controller integrated in ICH7 - Up to 3Gb/s transfer speed. - Supports four SATA ports. Audio: Chip integrated by Realtek ALC888S - Flexible 7.1-channel audio with jack sensing - Compliant with Azalia 1.0 Spec - Meet Microsoft Vista Premium SPEC - To reach the 8-channel sound effect, the 7th and 8th channels must be output from front panel if you purchase the mainboard with 3 audio jacks. LAN: Supports PCIE LAN 10/ 100 Fast Ethernet by Realtek 8103EL. On-Board Pinheaders/ Connectors: - ATX 24-pin power connector - ATX 4-pin 12V CPU power connector - CPU / System x 2 FAN connectors - CD-in connector - Front panel audio connector - Front panel connector - Chassis intrusion switch connector - 2 x USB 2.0 connector support additional 4 ports - 1 x Floppy disk drive connector - 4 x Serial ATA II connectors - 1 x ATA133 IDE connector - Clear CMOS jumper - 1 x Serial port connector - 1 x SPDIF-out header - 1 x Parellel port connector Back Panel I/O Ports: - 1 x PS/2 keyboard - 1 x PS/2 mouse - 1 x Parallel port - 1 x Serial port (COM 1) - 1 x Graphics Card (VGA) port - 1 x 3 in 1 audio jack - 4 x USB 2.0 ports - 1 x RJ45 LAN jack BIOS: - The mainboard BIOS provides "Plug & Play" BIOS which detects the peripheral devices and expansion cards of the board automatically. - The mainboard provides a Desktop Management Interface(DMI) function which records your mainboard specifications. Dimensions: 24.4cm(L) x 19.3cm(W) Micro-ATX Form Factor Mounting: 6 mounting holes