https://community.intel.com/t5/Mobile-and-Desktop-Processors/Reverting-to-previous-bios-version-after-microcode-update/m-p/545930#M28182 <P>Hello,</P><P>I just updated my Gigabyte motherboard Z370 (8700k) to the latest bios version which addresses the meltdown/spectre issue. While everything seems to work ok..I can see that the cpu performance has decreased (higher temps, turbo boost doesn't seem to boost frequently as before).</P><P>Let's say that I want to revert to the original bios version, can I safely do that? What about the CPU microcode? will it revert to its previous state?</P><P></P><P>Thanks. </P> Tue, 16 Jan 2018 21:14:57 GMT apati7 2018-01-16T21:14:57Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Reverting-to-previous-bios-version-after-microcode-update/m-p/545930#M28182 <P>Hello,</P><P>I just updated my Gigabyte motherboard Z370 (8700k) to the latest bios version which addresses the meltdown/spectre issue. While everything seems to work ok..I can see that the cpu performance has decreased (higher temps, turbo boost doesn't seem to boost frequently as before).</P><P>Let's say that I want to revert to the original bios version, can I safely do that? What about the CPU microcode? will it revert to its previous state?</P><P></P><P>Thanks. </P> Tue, 16 Jan 2018 21:14:57 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Reverting-to-previous-bios-version-after-microcode-update/m-p/545930#M28182 apati7 2018-01-16T21:14:57Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Reverting-to-previous-bios-version-after-microcode-update/m-p/545931#M28183 <P>That's a question for Gigabyte. We do not know what/how their BIOS supports downgrade.</P><P>...S</P> Tue, 16 Jan 2018 21:22:17 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Reverting-to-previous-bios-version-after-microcode-update/m-p/545931#M28183 n_scott_pearson 2018-01-16T21:22:17Z