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Chapter 1: Product introduction
1.8 Central Processing Unit (CPU)
1.8.1 Overview
The motherboard comes with a surface mount 478-pin Zero Insertion Force (ZIF)
socket. The socket is designed for the Intel
®
Pentium
®
4 Processor in the 478-pin
package with 512KB L2 cache on 0.13 micron process. This processor supports
800*/533/400MHz front side bus (FSB), and allows data transfer rates of 6.4GB/s,
4.2GB/s, and 3.2GB/s, respectively. (*Overclocking mode)
Note in the illustration that the CPU has a
gold triangular mark on one corner. This
mark indicates the processor Pin 1 that
should match a specific corner of the
CPU socket.
Incorrect installation of the CPU into the socket may bend the pins and
severely damage the CPU!
Gold Mark
Notes on Intel
®
Hyper-Threading Technology
1. Hyper-Threading Technology is supported under Windows XP and Linux
2.4.x (kernel) and later versions only. Under Linux, use the Hyper-Threading
compliler to compile the code. If you are using any other operating systems,
disable the Hyper-Threading Techonology item in BIOS to ensure system
stability and performance.
2. It is recommended that you install WinXP Service Pack 1.
3. Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
4. For more information on Hyper-Threading Technology, visit www.intel.com/
info/hyperthreading.
To use the Hyper-Threading Technology on this motherboard:
1. Install a Pentium 4 CPU that supports Hyper-Threading Technology.
2. Power up the system and enter BIOS Setup. Under the Boot Menu, make sure
that the item Hyper-Threading Technology is set to Enabled. The item
appears only if you installed a CPU that supports Hyper-Threading Technology.
See page 2-17.
3. Reboot the computer.
If you installed a CPU with 800MHz FSB, you need to use a PC3200 (400MHz)
DDR module listed in the Qualified Vendors List. Otherwise the system will
become unstable!