Based on the SiS 651 chipset, P4S533-MX enables powerful integrated graphics. With peak bandwidth of 2.7GB/s and 533 FSB support, and unique features such as C.P.R, CrashFree BIOS and EZ Flash, SoundMax digital audio, 10/100Mbps LAN and support for SDRAM and DDRAM, the P4S533-MX provides convenience, performance and flexibility. Leveraging the SiS 651 chipset to support 3GHz+ P4 CPUs on 533MHz FSB, DDR333 memory, the P4S533-MX delivers a full-value, high-performance solution for today's most demanding tasks.P4S533-MX has two DDR sockets and two SDR sockets that support up to 2GB non-ECC PC2700/PC2100/PC1600 or PC133/PC100 SDRAM DIMMs.With ASUS EZ Flash, you can update BIOS before entering operating system. No more DOS-based flash utility and bootable diskette required. When the system hangs due to overclocking failure, there is no need to open the case to clear CMOS data. Simply restart the system and the BIOS will automatically restore the CPU default setting for each parameter. CrashFree BIOS allows users to restore BIOS data from a floppy diskette even when BIOS code and data are corrupted during upgrade or invaded by virus. Unlike other competing vendors' products, ASUS motherboards now enable users to enjoy this protection feature without the need to pay for an optional ROM. The P4S533-MX delivers powerful integrated 2D and 3D graphics performance for functionality and value. The SoundMAX Digital Audio System is the industry's highest performance and most reliable audio solution for business professionals, audiophiles, musicians, and gamers. SoundMAX Digital Audio System can output 5.1 channel surround sound and features state-of-the-art DLS2 MIDI synthesizer with Yamaha DLSbyXG sound set, 5.1 Virtual Theater and supports all major game audio technologies including Microsoft DirectX 8.0, Microsoft DirectSound 3D, A3D, MacroFX, ZoomFX, MultiDrive 5.1, A3D and EAX.