How to fix this problem

Jul 16, 2018
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Motherboard: p5n32-e sli plus cpu :intel xeon E5440 bios always sending this message: unknown cpu detected bios update is required to unleash its full power i can fix it? I know can write bios but the last bios version is was installed.
 
Solution
You may try use other lga775 cpu to update the BIOS first, then put the xeon e5440 (lga771) back, because the lga775 MB does not support the lga771 cpu in theory, only after modifications the MB.