Download directly for more content description... ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS . The motherboard features the ASUS O.C. Profile that allows users to . Thank you for buying an ASUS P5K WS motherboard! The motherboard delivers a host of new features and latest technologies, making it another standout in the long line of ASUS quality motherboards!Before you start installing the motherboard, and hardware devices on it, check the items in your package with the list below. Motherboard ASUS P5K WS I/O modules 1 x 2-port USB + 1-port IEEE 1394a module 2-port USB + 1-port IEEE 1394a module 1-port IEEE 1394a module 1 x COM port module Cables Serial ATA signal cable for 4 devices Serial ATA power cable for 2 devices 1 x Ultra DMA 133/100/66 cable 1 x Floppy disk drive cable Accessories I/O shield 1 x ASUS Q-Connector Kit (USB, 1394, system panel; Retail version only) Application DVD ASUS motherboard support DVD Documentation User guide. Green ASUS This 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/packaging to safeguard consumers’ health while minimizing the impact on the environment. Intel Core 2 Processor Ready This motherboard supports the latest Intel Core 2 processor in the LGA775 package. With the new Intel Core microarchitecture technology and 1066 / 800 MHz FSB, Intel Core 2 processor is one of the most powerful and energy efficient CPU in the world. Intel P35 Chipset The Intel P35 Express Chipset is the latest chipset designed to support 8GB of dual-channel DDR2 800/677 architecture, 1333/1066/800 FSB (Front Side Bus), PCI Express x16 graphics and multi-core CPU. It especially includes Intel Fast Memory Access technology that significantly optimizes the use of available memory bandwidth and reduces the latency of the memory accesses. DDR2 memory support The motherboard supports DDR2 memory that features data transfer rates of 800/667 MHz to meet the higher bandwidth requirements of the latest 3D graphics, multimedia, and Internet applications. The dual-channel DDR2 architecture doubles the bandwidth of your system memory to boost system performance, eliminating bottlenecks with peak bandwidths of up to 12.8 GB/s. Furthermore, this motherboard does not restrict the memory size across two channels. Users may install different memory size DIMMs into the two channels and enjoy dual-channel and single-channel functions at the same time. This new feature optimizes the use of available memory size. See page 2-13 for details. Serial ATA 3.0 Gb/s technology and SATA-On-The-Go This 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. The external SATA port located at the back I/O provides smart setup and hot-plug functions. Easily backup photos, videos and other entertainment contents to external devices. See page 2-26 for details