Building the Dream Home Theater PC AMD AM3 CPU support ASUS Absolute Pitch Hi-Fi ASUS Home Theater Gate ASUS Tranquil Mode Express Gate Shop Modal header CPU, Chipset and Graphics Features AMD® Phenom™ II/Athlon™ II/Sempron™ 100 Series Processors(AM3 CPU) This motherboard supports AMD® AM3 multi-core processors with unique L3 cache and delivers better overclocking capabilities with less power consumption. It features dual-channel DDR2 1066 memory support and accelerates data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus. This motherboard also supports AMD® CPUs in the new 45nm manufacturing process. AMD 780G + SB700 AMD® 780G Chipset is designed to support up to 5200MT/s HyperTransport™ 3.0 (HT3.0) interface speed and PCI Express™ 2.0 x 16 graphics. It is optimized with AMD´s latest AM3/AM2+ and multi-core CPUs to provide excellent system performance and overclocking capabilities. Hybrid CrossFireX Support Boosted Performance with onboard GPU and discrete graphics cardATI Hybrid CrossFireX™ technology is a unique hybrid multi-GPU technology. It takes your gaming experience to the next level boosting PC performance by enabling the chipset’s integrated graphics processor and a discrete GPU to operate simultaneously with combined output for blisteringly-fast frame rates unleashing the graphics performance (Windows Vista® OS only). AMD® Phenom™ X4/ Phenom™ X3/ Athlon™ X2/ Athlon™/ Sempron™ processors (socket AM2+/AM2) This motherboard supports AMD® Socket AM2+ multi-core processors. It features dual-channel DDR2 1066 memory support, data transfer rate up to 5200MT/s via HyperTransport™ 3.0 based system bus, and AMD® Cool ´n´ QuietTM Technology. HDMI Support Enjoy Full HD 1080p Multimedia Home-Theater EntertainmentHigh-Definition Multimedia Interface (HDMI) is a set of digital video standards that delivers multi-channel audio and uncompressed digital video for full HD 1080p visuals through through a single cable. Supporting HDCP copy protection such as HD DVD and Blu-ray Discs, HDMI provides you with the highest-quality home theater experience. ASUS HTPC Unique Features Absolute Pitch Hi-Fi Crystal-clear Audio with Reduced Electronic NoiseAs power is a key determinant of audio quality, professional AV equipment usually separate power supply for different channels or analog/digital signals to ensure high sound quality. The M4A78-HTPC is the first motherboard to be equipped with the revolutionary ASUS Absolute Pitch Hi-Fi technology, which utilizes audio components with an independent power connector. This effectively reduces electronic noise to ensure purer sound quality. Additionally, the gold-plated RCA stereo audio connectors are compatible with amplifiers without requiring additional connectors—making it simple to link PCs to home theater equipment. Tranquil Mode Super Silent for Multimedia EnjoymentThe tranquil Mode can lower the noise from CPU and chassis fans instantly by up to 28%. Also, it dramatically boosts energy efficiency and cost-effectiveness. By lowering the noise generated by fans, users will be able to enjoy their movies and music in a more conducive environment. Home Theater Gate The Gateway to Home Entertainment!The ASUS Home Theater Gate's specially-designed large icons and intuitiveness of the software make it easy for you to operate the media applications via a remote control up to 10 feet away from the monitor or TV. With its user-friendly interface, you can easily launch the most common media applications quickly via an integrated menu that brings various media types together. ASUS Quiet Thermal Solutions Soundwave Heatsink Cooling Solution that is Both Stylish and EffectiveThe uniquely-styled heatsink is modelled after the bars of a sound wave graphical equalizer - symbolic of the motherboard´s emphasis on audio supremacy. Featuring a 0-dB thermal solution that delivers a noiseless PC environment, it provides users with extremely silent cooling with an elegant appearance! ASUS Crystal Sound DTS Surround Sensation UltraPC Real Home Theater EnjoymentDTS Surround Sensation UltraPC delivers exceptional surround experience through the most common PC audio setups - your existing stereo speakers or headphones. In addition to virtual surround, “Bass Enhancement” provides stronger low frequency bass sound, and “Voice Clarification” provides clear human dialogue even with loud background sound. With these technologies, you may experience a better home-theater audio with ease. Simply plug in two speakers or headphones to experience high-definition surround sounds with center and rear channels just like in cinemas; wherever you are! Noise Filtering This feature detects repetitive and stationary noises (non-voice signals) like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording. Express Gate Express Gate 0 to Internet in Seconds!Express Gate™ is an ASUS exclusive OS that provides you with quick access to the Internet and key applications before entering Windows®. ASUS EZ DIY Q-Connector ASUS Q-Connector allows you to easily connect or disconnect the chassis front panel cables to the motherboard. This unique module eliminates the trouble of connecting the system panel cables one at a time and avoiding wrong cable connections EZ Flash 2 EZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility. CrashFree BIOS 3 Simply restore corrupted BIOS data from USB flash diskThe 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. RoHS GreenASUS The motherboard and its packaging comply with the European Union´s Restriction on the use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating environment-friendly and recyclable products and packaging to safeguard consumers´ health while minimizing the impact on the environment.