Asus P4PE-X P4PE-X User Manual - Page 20

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. If you installed a CPU with 800MHz FSB, you need to use a PC3200 (400MHz) DDR module. 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. Gold Mark Incorrect installation of the CPU into the socket may bend the pins and severely damage the CPU! 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 Techonology. 3. Reboot the computer. 1-10 Chapter 1: Product introduction