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Build Computers:
Step 3: Install the Processor and Heat Sink/Fan
Install Computer Processor (CPU)
In this step by step guide to building your own computer, we are using an Athlon XP Socket A CPU.
Processors (CPUs) are very delicate components so handle them gently and be sure to wear an anti-static wrist band.
To install the CPU, lift the lever on the socket straight up to the open position. Pins missing from two corners of the Athlon XP while only one corner is missing pins on the Pentium 4. The notched corners should match the notch corners of the socket.
Install the Computer Processor (CPU) into the socket, making sure not to bend any pins.
The CPU should just drop into the socket without any resistance. This socket is called a Zero Insertion Force (ZIF) socket.
Ensure that the CPU is sitting properly in the socket and then lock the lever back down.
Install the Heat Sink and Fan Assembly
After the installation of the Computer Processor (CPU), install the Heat Sink Fan.
If the Heat Sink came with a thermal pad or tape on it, you do not need to use thermal compound. In the event that it does not come with a thermal pad or tape, you need to use thermal compound due to its low electrical conductivity and good heat transfer properties.
Apply a small amount to the core of the Computer Processor. Use enough to cover the core but not too much that it spills all over the CPU and Motherboard. A Pentium 4 would use more thermal compound than an Athlon XP since its core is larger.
To install the Heat Sink/Fan, start by placing the fan flat against the CPU and clip one side of the Heat Sink/Fan to the socket.
Clip the other side with a screwdriver to secure. Keep the Heat Sink flat on the Computer Processor, not at an angle. EXERCISE EXTREME CAUTION - It is extremely easy to damage AMD CPUs while installing the Heat Sink/Fan because of its small core size.
Congratulations, you have taken the first step to building your own computer by installing the Heat Sink/Fan. Now plug the Fan into its appropriately marked header (CPU1) on the Motherboard.
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