[Gllug] error kernel compile

Dylan dylan at dylan.me.uk
Wed Dec 3 13:55:09 UTC 2003

On Wednesday 03 December 2003 11:25 am, Pete Ryland wrote:
> On Tue, Dec 02, 2003 at 08:12:04PM +0000, Richard Jones wrote:
> > As to what happens to the first 640K, I would assume it gets used
> > just like any other paged memory. In fact I'd be annoyed if it
> > didn't :-) I hope someone else can give us the right answer to that
> > question.
> Indeed, the 640k barrier is only significant in "real mode", and
> hence only an issue at bootup.  Of course there will be holes in it
> (e.g. 0xa0000 and 0xb8000 are video memory) but it can otherwise be
> allocated normally.

Is the 'old' 640K - 1M memory map still relevant now that things like 
graphics and sound cards have their own memory and (in some cases) 
processors and DMA capabilities?


> Pete

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