Preface

Preface

About This Manual

This manual is written for system integrators, PC technicians and knowledge- able PC users. It provides information for the installation and use of the

X7DA3+ motherboard. The X7DA3+ supports dual Intel Quad-Core and Dual-Core processors with a front side bus speed of 1.333 GHz/1.066 GHz/667 MHz. With two 64-bit Quad-Core and Dual-Core processors built-in, the X7DA3+ offers substantial functionality enhancements to the motherboards based on the Intel Quad-Core/Dual-Core architecture while remaining compatible with the IA-32 software. The features include the Intel Virtualization Technology, Hyper Pipelined Technology, Execution Trace Cache, Thermal Monitor 1/2 (TM1/TM2), Enhanced Intel SpeedStep technology, Advanced Dynamic Execution, Advanced Transfer Cache, Streaming SIMD Extensions 3 (SSE3) and Extended Memory 64 Technol- ogy (EM64T). These features allow the motherboard to operate at much higher speeds with better power management in much safer thermal environments than the traditional motherboards. The X7DA3+ is ideal for high performance quad processor or dual processor workstation and enterprise server environments. Refer to our web site (http://www.supermicro.com/products/) for updates on supported processors. This product is intended to be professionally installed.

Manual Organization

Chapter 1 describes the features, specifi cations and performance of the mother- board and provides detailed information about the chipset.

Chapter 2 provides hardware installation instructions. Read this chapter when installing the processor, memory modules and other hardware components into the system. If you encounter any problems, see Chapter 3, which describes troubleshooting procedures for the video, the memory and the system setup stored in CMOS.

Chapter 4 includes an introduction to BIOS and provides detailed information on running the CMOS Setup utility.

Appendix A and Appendix B provide BIOS POST Messages and POST Codes. Appendix C, Appendix D and Appendix E list HostRAID, Windows OS and Other

Software Program Installation Instructions.

Conventions Used in the Manual

Special attention should be given to the following symbols for proper installation and to prevent damage done to the components or injury to yourself:

Danger/Caution: Instructions to be strictly followed to prevent catastrophic system failure or to avoid bodily injury.

Warning: Important information given to ensure proper system installation or to prevent damage to the components.

Note: Additional Information given to differentiate various models or to ensure cor- rect system setup.

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SUPER MICRO Computer MBDX7DA3O user manual About This Manual, Manual Organization, Conventions Used in the Manual