> "*For some reason the way OS support works on ARM is that every OS needs to ex... | Hacker News

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		ThrowawayR2 on Dec 15, 2023 \| parent \| context \| favorite \| on: Intel launches Core Ultra processors > "For some reason the way OS support works on ARM is that every OS needs to explicitly support the exact underlying hardware or it doesn't run." x64 servers and PCs are compatible because all of them adhere to an architectural standard backed by a suite of a suite of compatibility tests defined by Microsoft: https://learn.microsoft.com/en-us/windows-hardware/design/co... and https://learn.microsoft.com/en-us/windows-hardware/test/hlk/ . The ARM world has no similar agreed on standard.

moffkalast on Dec 15, 2023 [–]

Per another comment, there apparently is something along the lines of that now: https://www.arm.com/architecture/system-architectures/system...

Took them long enough.

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