![](/images/backgrounds/110231/110231-10449x1.png)
Step 1:
Raise the retaining lever
Step 2:
Align the Pin 1 corners
User’s Manual
4: Installing The Motherboard
Installing The ProcessorInstalling a Pentium 4 processor in the mPGA478 Socket is the simplest part of the procedure. It is very important, however, to carefully handle the processor by the side edges and always fully observe precautions against electrostatic discharge. We assume here that you are installing an Intel Pentium 4 boxed processor that comes with a heatsink and Thermal Interface Material applicator. The illustrations show these. If you are installing a
Please follow the installation procedure as illustrated on the next two pages. The illustrations are generic and do not specifically represent this motherboard.
The processor installation procedure is as follows:
1.Raise the locking lever of the processor locking mechanism to a perpendicular position.
Raise the socket lever to the vertical position
2.Align the processor to the socket by matching the Pin 1 corner of the socket to the Pin 1 corner on the socket, which is located at the corner where the locking arm attaches to the socket.
Match the Pin 1 positions on the socket and the processor
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