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Windows 11 24H2 goes from “unsupported” to “unbootable” on some older PCs (arstechnica.com)

submitted 1 year ago by einat2346@lemmy.today to c/technology@lemmy.world

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[–] kautau@lemmy.world 0 points 1 year ago (1 children)

I agree with you, but did you read the article? This is about a specific CPU instruction, not TPMs.

In modern x86 CPUs, POPCNT is implemented as part of the SSE4 instruction set. For Intel's chips, it was added as part of SSE4.2 in the original first-generation Core architecture, codenamed Nehalem. In AMD's processors, it's included in SSE4a, first used in Phenom, Athlon, and Sempron CPUs based on the K10 architecture. These architectures date back to 2008 and 2007, respectively.

[–] spujb@lemmy.cafe 0 points 1 year ago

yeah i did read the article. to clarify for anyone confused, folks are already bypassing the TPM requirement to get these windows installs working in the first place. the POPCNT instruction issue is only affecting installs that are already using this workaround to force W11 to run on a device it doesn’t want to work on.