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I just install 2.0GHz processor but my system keep giving 1801 microcode patch error, what do i do?

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The 1801 error is defined as:
Missing or invalid Processor Microcode Patch.

Resolved by:
Applying a new ROM BIOS to support the processor stepping.

In other words, you need a BIOS upgrade. Contact your BIOS vendor and get support for your new processor.

Posted on Sep 12, 2010

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"1801 Microcode patch error. Missing


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And follow the instructions here to upgrade the BIOS. I suggest using their instructions as they will be far more accurate than mine for this specific system and BIOS update.

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DESCRIPTION After installing a different system board or processor in systems described in the "Scope," the systems may halt during POST and display an 1801 Microcode Patch Error with a prompt to press the F1 key to continue.
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