On Wed, 27 Mar 2002, Jeremy Jackson wrote:

> It might be nice to be able to use this for memory, if you
> don't have an ISA VGA.  It's true that even many embedded
> systems have lots of memory to burn, but it would be nice
> and clean.  Perhaps even 0xa0000-0xbffff could be reclaimed
> in some scenerios (as useable memory)

there's a tricky timing issue here, esp. for DoC.

For docipl, in real mode, 0xf0000-0xfffff MUST NOT BE RAM. Once we shift
to protected mode then we can kill the memory hole -- but only on some
systems.

I need to work up the sequence for reference for people.

ron

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