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Re: Debian on 640KB or RAM?



On Thu, Feb 12, 2004 at 06:40:06AM +0200, Micha Feigin wrote:
> On Wed, Feb 11, 2004 at 09:48:58PM -0600, John Hasler wrote:
> > Mike writes:
> > > I don't think the 80286 has a memory management unit
> > 
> > It does, but the architecture is different.  A 286 won't run Linux.
> 
> Are you sure? I thought that the mmu was introduced only in the 386. I
> think I still used direct memory access using far pointers to write the
> video ram and such on a 286.

I think the 286 extended the concept of far pointers somehow to extend
the addressing range to 16 megs and make it a bit more like a proper
MMU, but you were still limited to 64k blocks.

-- 
Pigeon

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