Wrong CPU being shown by the BIOS

Hi all

I have an Asus P5N motherboard with an Intel Core 2 Duo E4300 1.86ghz
Socket 775 FSB800 CPU. All was working fine ... until recently when I
installed an extra gig of RAM which put the system total at 3gig - the
PC runs Vista home pre.

Now I am not sure if installing the RAM did this or messing about in
the OC settings of the bios, but everytime the PC boots it halts at
the BIOS screen with a message sayinh.

"Unknown CPU detected, install latest BIOS to unleash Power"

Now I have the latest BIOS installed but the problem seems to be that
the CPU is coming up as an Intel Xeon 4...@xxx ghz, 2 CPUs detected.

Vista also shows that an XEON is installed

Can anyone think why this has happened?

Thanks

iPleb
.

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