CPU • AMD Phenom/Athlon/Sempron CPU. Please refer to CPU Support for compatible CPU; the above description is for reference only. FSB • HyperTransport 3.0 supporting speed up to 2600MHz - AM2 CPU supports HyperTransport 1.0/2.0 - AM2+ CPU supports HyperTransport 3.0 Chipset • AMD 790X and SB600 Chipset Main Memory • Supports Dual DDR2 533/667/800/1066(only for AM2+) - 4 DDR2 DIMMs (240pin / 1.8V) - Supports a maximum memory size up to 8GB. Slots • 1 mazarine PCI Express x16 slot with x16 operation (PCI Express Bus SPEC V2.0 compliant) • 1 light-blue PCI Express x16 slot with x8 operation (PCI Express Bus SPEC V2.0 compliant) • When 2 PCI Express x16 slots are all installed, the PCIE x 16 lanes will auto arrange form x16/ x0 to x8/ x8. Do not use the light-blue slot when only one PCI Express x16 card is installed. • 1 PCI Express x1 slots • 2 PCI slots, support 3.3V/ 5V PCI bus Interface. On-Board IDE • One IDE port by AMD SB600 - Supports Ultra DMA 66/100/133 mode - Supports PIO, Bus Master operation mode - Can connect up to two IDE devices On-Board SATA • 4 SATA II (1~4) ports by AMD SB600 • 1 eSATA port by Silicon Image Sil3531 (optional) - Supports storage and data transfers at up to 3Gb/s RAID Function - SATA II 1~4 support RAID 0, 1 and 0+1 mode by AMD SB600 MSI Reminds You... • The RAID setup floppy disk is optional depending on the districts. You can download the files from the website to make the setup disk. Audio • Chipset integrated by Realtek ALC888 - Flexible 8-channel audio with jack sensing - Compliant with Azalia 1.0 Spec LAN • Realtek PCI-E GbLAN controller 8111B - Integrated Fast Ethernet MAC and PHY in single chip - Supports 10Mb/s, 100Mb/s and 1000Mb/s - Compliance with PCI-Express Bus specification v1.0a Internal I/O 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 - 3 x USB 2.0 connector support additional 6 ports - 1 x Floppy disk drive connector - 4 x Serial ATA II connectors - 1 x ATA133 HD connectors - Clear CMOS jumper - 1 x SPDIF-out header (optional, for HDMI graphic card only) MSI Reminds You... • The floppy disk cable will be optional. Back Panel I/O Ports - 1 x PS/2 keyboard - 1 x PS/2 mouse - 1 x Serial port - 1 x 6 in 1 audio jack - 4 x USB 2.0 ports - 1 x RJ45 LAN jack - 1 x eSATA port (optional) - 1 x IEEE1394 Port (optional) Dimension • 30.5cm(L) x 22.0cm(W) ATX Form Factor Mounting • 6 mounting holes.