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December 11th, 2023 14:51

XPS 400

XPS 400 with upgraded 64bit pentium d 2,8. win10 installer stalls at win screen, same with upgrade within XPMCE

This post was created from this comment on different post

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December 11th, 2023 17:41

I think chino said these old cpu might support 32 bit Win 10 but not 64 bit.  Pardon if I misquoted chino.

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December 12th, 2023 05:10

There was no misquote.  If the processor is a 90nm Prescott, it lacks of LAHF/SAHF instructions, the required features to run long mode 64 bit.  But, it will accept and works with Win 10 x86 (32 bit).

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