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Note! 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 4). 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 Techonology.
3. Reboot the system.
2-5-2 CPU Installation
2-5-2.1 Installing CPU
To install a CPU, first turn off your system and remove its cover. Locate the
ZIF socket and open it by first pulling the lever sideways away from the socket
and lift the lever upward to a 90-degree angle. Insert the CPU with the correct
orientation as shown below. The notched corner should be pointed toward the
end of the lever. The CPU has corner pin on two of the four corners and the
CPU will only fit in the orientation as shown.
When you insert the CPU onto the ZIF socket, no force is required. After
inserting, press the lever slightly without any extra force to lock CPU in
position.
2-5-2.2 Installing heatsink & cooling fan
The Intel® Pentium® 4 Processor requires a specially designed heatsink and
cooling fan assembly to ensure optimum thermal condition and performance.
Note!
When you buy a boxed Intel Pentium 4 Processor, the package includes
the heatsink, fan, and retention mechanism. In case you buy a CPU
separately, make sure that you use only Intel
mPGA478B
CPU ZIF mPGAB Socket
11
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