CPU SUPPORT Socket LGA 775 - Intel Core 2 Quad / Core 2 Extreme / Core 2 Duo / Pentium Extreme / Pentium D / Pentium 4 - 1600 / 1333 / 1066 / 800 MHz System Bus CHIPSET - Intel P45 / ICH10R with Intel Fast Memory Access Technology MEMORY - Four DDR2 dual channel memory sockets - DDR2 1200 / 1066 / 800 / 667 MHz, non-ECC un-buffered memory - 16GB maximum EXPANSION SLOTS - Two PCI Express 2.0 x16 slots with ATI CrossFireX Technology at x8 speed - Three PCI Express x1 slots - Two PCI 2.2 slots STORAGE Intel ICH10R Southbridge - Six SATA 3.0Gb/s ports - Intel Matrix Storage supporting SATA RAID 0, 1, 5 and 10 Marvell 88SE6121 Controller - One UltraDMA 133/100/66 for up to two PATA devices - One External SATA 3.0Gb/s port (SATA On-the-Go) Silicon Image SIL5723 controller (Drive Xpert Technology) - Two SATA 3.0 Gb/s ports AUDIO ADI AD2000B 8-channel High Definition Audio CODEC - Creative X-Fi capability - X-Fi interface - Coaxial / Optical S/PDIF out ports at rear I/O LAN - Dual Gigabit LAN Controllers - Featuring AI NET2 - Supports Teaming Technology REAR I/O PANEL - One PS/2 Keyboard / Mouse combo port - One External SATA port - One IEEE 1394a port - Two RJ45 ports - Six USB 2.0 / 1.1 ports - One Clr CMOS switch INTERNAL I/O HEADERS - Three USB connectors support additional six USB ports - One Floppy disk drive connector - One IDE connector - Six SATA connectors (blue) - Two Speeding HDD connectors (black) - One CPU Fan connector - Three Chassis Fan connectors - One Power Fan connector - Three optional Fan connectors - Three thermal sensor connectors - One IEEE 1934a connector - Front panel audio connector - En/Dis-able Clr CMOS - LCD Poster connector - ROG connector - Chassis Intrusion connector - 24-pin ATX Power connectors - 8-pin ATX 12V Power connector - System Panel (Q-Connector) - One Power On switch - One Reset switch SYSTEM BIOS - 16Mb AMI BIOS, PnP, DMI 2.0, WfM 2.0, SM BIOS 2.4 FORM FACTOR - Standard ATX - 12" x 9.6" Bundle ACCESSORIES - SupremeFX X-Fi Audio Card - LCD Poster - ASUS Optional Fan - ASUS Q-Shield (I/O shield) - ASUS Q-Connector Kit (USB, 394, system panel) - 2-port USB and 1-port 1394 I/O module - Cable ties CABLES - One SATA power cable for two devices - SATA signal cables - One Ultra DMA 133/100/66 cable - One Floppy disk drive cable APPLICATION DVD Asus Motherboard Support DVD - Drivers - ASUS PC Probe II - ASUS Update - ASUS AI Suite - 3DMark 06 Advanced Edition - Kaspersky Anti-virus software Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.