How to update bios of 4GB UP from 32bit UPC1BM0X to 64bit UPC1DM15

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MarkieL
MarkieL New Member Posts: 1

I Have been trying to update my 32 bit BIOS (UPC1BM0X) to the latest 64 bit (UPC1DM15) version. Been trying / search for days for older bios 32 bit efi update tools at no success.

WHAT IS THE UPDATE PROCEDURE?
WHERE ARE THE DOWNLOADS?
WHERE ARE OLDER BIOS VERSIONS?

I'm getting desperate here !