High efficiency, Energy saving, Solid quality - Intel LGA775 Platform- SiS671DX/968 Chipset- FSB 1066/800/533- DDR2 667/533- PCI Express x16- 2x SATA 3Gb/s with RAID 0,1 and AHCI support- 6 CH HD audio- EZ Flash2 & Crashfree BIOS3 Shop Modal header CPU Features Intel LGA775 CPUThis motherboard supports the latest Pentium 4 CPU from Intel in LGA775 package. With 1066/ 800/ 533MHz FSB, Hyper-Threading Technology and core-speeds up to 3.8GHz and beyond. Intel Core™2 Duo This motherboard supports the latest Intel® Core™2 processors in LGA775 package. With new Intel® Core™ microarchitecture technology and 1066 / 800 MHz FSB, Intel® Core™2 processor is one of the most powerful and energy efficient CPUs in the world. Intel® 45nm Dual-Core CPU supportNew micro-architecture features for greater performance at a given frequency and expanded power management capabilities for new levels of energy efficiency. 64-bit CPU support64-bit computing, the next generation technology to replace current 32-bit architecture, delivers advanced system performance, faster memory access and increased productivity. This motherboard provides excellent compatibility and flexibility by supporting either 64-bit or 32-bit architecture. SIS Advanced HyperStreaming™ ArchitectureThe motherboard supports the SIS HyperStreaming™ technology that smartly manages data streaming between the Northbridge and Southbridge, memory, graphics interface, and other peripherals for efficient and superior performance. Asus Unique Features ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 allows users to restore corrupted BIOS data from a USB flash disk containing the BIOS file. This utility saves users the cost and hassle of buying a replacement BIOS chip. ASUS EZ Flash 2 Simply press the predefined hotkey to launch this tool and update BIOS from a USB flash disk before entering the OS. ASUS My Logo 2 Turn your favorite photos into 256-color boot logos to personalize your system. ASUS Q-FanASUS Q-Fan technology intelligently and automatically adjusts CPU fan speeds according to system load and temperature, enabling users to work in a distraction-free environment with minimal noise. Other Features PCI Express Architecture PCI Express is the latest I/O interconnect technology that will replace the existing PCI. With a bus bandwidth 4 times higher than that of AGP 8X interface, PCI Express x16 bus performs much better than AGP 8X in applications such as 3D gaming. PCI Express x1 also outperforms PCI interface with its exceptional high bandwidth up to 500MB/s. Serial ATA 3Gb/sThe motherboard supports the next-generation hard drives based on the Serial ATA (SATA) 3Gb/s storage specification, delivering enhanced scalability and doubling the bus bandwidth for high-speed data retrieval and saves. High Definition AudioEnjoy six-end sound system on your PC! The onboard 6-channel HD audio (High Definition Audio, previously codenamed Azalia) CODEC enables high-quality 192KHz/24-bit audio output, jack-sensing feature. S/PDIF-outThis motherboard provides convenient connectivity to external home theater audio systems via an S/PDIF-out (SONY-PHILIPS Digital Interface) jack. It allows to transfer digital audio without converting to analog format and keeps the best signal quality.