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P H 4 4 0 N L X M o t h e r b o a r d U s e r G u i d e
To fit a new processor
1.
Take the processor out of its anti-static packaging. Hold the processor by its edges, or its
heatsink and avoid touching the edge connector.
The upgrade processor and the socket are keyed to ensure that the processor is installed in
the correct orientation. It will only fit into the socket one way.
2.
Slide the processor into the vertical guides and down into the socket, making sure that it is
correctly aligned and that you do not bend or otherwise damage the supports. Do not use
excessive force.
3.
Apply just enough pressure to overcome the resistance offered by the socket. Ensure that
the retaining pins snap into the sockets on the end supports.
4.
Refit the heatsink support, making sure that it is correctly and fully seated on the pins. It
should snap into place.
This bracket may not be fitted with some heatsink designs, or may not be needed with the
new processor.
5.
The upgrade or overdrive processor may have its own cooling fan built into the heatsink.
This will have a power lead that will need to be connected to the processor fan power
(marked '3' on the motherboard diagram, see installation guide).
If the fan has only a two-pin connection, ensure it is connected to pins 1 and 2.
6.
Now adjust the processor multiplier speed jumpers on the motherboard (see installation
guide) in conjunction with the new processor's data sheet.
Warning
The processor requires continuous airflow.
7.
Return to their original position any expansion cards that had been removed earlier, then
refit and secure the system cover.
MITSUBISHI ELECTRIC MOTHERBOARD DIVISION
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