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    SubjectRe: 16 MB -> 32 MB, a memory problem resolved!
    Date
    From
    > Andrew E. Mileski wrote:
    > > Some motherboards can relocate the 384k RAM that is leftover
    > > from making the I/O hole at 0xa0000-0xfffff, but most can't.
    > > What is worse, this feature _ONLY_ works with 16Mb or _LESS_
    > > installed memory (on most mobos).
    > > ...
    > > Linux can't read your mobo manual for you (or the mind of the
    > > mobo designer). For that matter, no OS can (especially not Windows).
    >
    > Isn't it possible to look for BIOS signatures between 0xa0000-0xfffff
    > (check every 2k?) to determine what memory is left for the OS?
    > Other reserved areas (such as floppy track buffer, VGA fonts) are at
    > well know addresses. The interesting problem is detecting the onboard
    > memory in other cards...

    Yes it is possible. In fact the PnP patch does this :-)
    see http://www.redhat.com/pnp/ for details.

    All ROMs + memory are listed in /proc/addresses


    -- Andrew E. Mileski --
    mailto:aem@ott.hookup.net
    http://www.redhat.com/~aem/


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