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Preface
About This Manual
This manual is written for system integrators, PC technicians and
knowledgeable PC users. It provides information for the installation and use of the
X7DBU/X7DGU motherboard. The X7DBU/X7DGU supports dual
Intel
XEON 64-bit Quad-core/Dual-core processors at a front side bus speed of 1.333
GHz/1.066 GHz/667 MHz. With dual 64-bit Xeon Quad-core/Dual-core processors,
the 5000 chipset, and 8 DDR2 FBD 667/533 memory modules built-in, the X7DBU/
X7DGU offers substantial functionality and performance enhancements to the moth-
erboards based on the Core microarchitecture while remaining compatible with the
32-bit based software. The features include Virtualization Technology, Execution
Trace Cache, Thermal Monitor 2 (TM2), Enhanced Intel SpeedStep technology, Ad-
vanced Dynamic Execution, Advanced Transfer Cache, Streaming SIMD Extensions
3 (SSE3) and Extended Memory 64 Technology (EM64T). These features allow the
motherboard to operate at much higher speeds with better power management in
much safer environments than the traditional motherboards. The X7DBU/X7DGU
is ideal for high performance dual processor (DP) enterprise server environments.
This product is intended to be professionally installed.
Manual Organization
Chapter 1 describes the features, specifi cations and performance of the mainboard
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 trouble-
shooting procedures for video, memory and system setup stored in the CMOS.
Chapter 4 includes an introduction to the BIOS and provides detailed information
on the CMOS Setup utility.
Appendix A provides BIOS POST Error Beep Codes. Appendix B, and Appendix
C list OS and Software 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:
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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Preface