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    SubjectRe: [BUG?] AMD 5x86 and 2.4 (was Re: [BUG?] AMD K5 and 2.4)
    On Wed, Nov 15, 2000 at 11:58:27AM -0800, Barry K. Nathan wrote:
    > It looks like I was mistaken in my original message. I have an AMD 5x86, not
    > a K5.
    >
    > Nevertheless, menuconfig lists the 586 option as "586/K5/5x86/6x86/6x86MX".
    > But, it fails to boot on my 5x86 and I have to compile for a 486 (for 2.4).
    > As I mentioned in my previous message, the 586/... option boots with 2.2.
    >
    > I just noticed that, under both 2.2 and 2.4, uname -a identifies the
    > machine as an i486.
    >
    > Should the 486 option be changed to "486/5x86" and the 586/... option
    > changed to "586/K5/6x86/6x86MX"? Or is there a bug here that needs fixing?
    > (IIRC, Cyrix and IBM made 5x86's as well - are those more like fast 486's
    > or slow Pentiums? I don't remember. If they're like Pentiums, perhaps
    > "486/AMD 5x86" and "586/non-AMD 5x86/6x86/6x86MX"...?)

    If I recall correctly:

    Am5x86 == AMD X5 == a very fast 486 processor with a big WB cache
    Cx5x86 == IBM 5x86 == a slow Pentium-like processor in a 486 socket

    So yes, for the AMD 5x86 you have to select '486'.

    --
    Vojtech Pavlik
    SuSE Labs
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