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ASUS P4P800-X motherboard
1-7
1.6 Central Processing Unit (CPU)
1.6.1 Overview
The Intel
®
Pentium
®
4 Northwood/Prescott processors 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!
Notes on Intel
®
Hyper-Threading Technology
To use the Hyper-Threading Technology on this motherboard:
1. Buy an Intel Pentium 4 CPU that supports Hyper-Threading Technology. Install
the CPU.
2. Power up the system and enter BIOS Setup (see Chapter 2). Under the
Advanced 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.
3. Reboot the computer.
• This motherboard supports Intel
®
Pentium
®
4 CPUs in the 478-pin package
with Hyper-Threading Technology.
• Hyper-Threading Technology is supported under Windows
®
XP/2003
Server and Linux 2.4.x (kernel) and later versions only. Under Linux, use
the Hyper-Threading compiler to compile the code. If you are using any
other operating systems, disable the Hyper-Threading Technology item in
the BIOS to ensure system stability and performance.
• Installing the Windows
®
XP Service Pack 1 or later version is
recommended.
• Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
• For more information on Hyper-Threading Technology, visit www.intel.com/
info/hyperthreading.
P4P800-X
®
P4P800-X CPU Socket 478
Gold Arrow