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Microcode is software running on your CPU. And many problems can be fixed with a microcode update, but not all - see the workarounds listed in the PDF I linked
by jjuhl 10y ago
Microcode is software running on your CPU. And many problems can be fixed with a microcode update, but not all - see the workarounds listed in the PDF I linked - note especially how many say "None identified".
- yeukhon 10y agoOkay, thanks for clarification. I was thinking about the floating bug which they had to recall the defective processors: https://en.wikipedia.org/wiki/Pentium_FDIV_bug https://en.wikipedia.org/wiki/Pentium_FDIV_bug
- justsid 10y agoHard to say if something like this would be patchable via a microcode update. But regardless, back then your CPU didn’t run software to run your software, so a new hardware revision was in order.