Newsgroups: comp.os.minix
Subject: Re: Minix on an 8088
References: <468d9268.0106281024.65933e92@posting.google.com> <3B40F64B.9A039243@optonline.net> <slrn9k2se8.m5o.pino+comp_os_minix@mud.stack.nl>
Organization: Minix
Message-ID: <jtambcqg54q1phq3m6ub3uvuu1@stereo.pch.home.cs.vu.nl>
From: philip@pch.home.cs.vu.nl (Philip Homburg)
Date: Tue, 3 Jul 2001 11:08:41 +0200
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Martijn van Buul <pino+comp_os_minix@dohd.org> wrote:
>It occurred to me that David L. Dickman wrote in comp.os.minix:
>> The 8086/8 has only 1 MB (20-bits) of address space.  If there is 1.6 MB RAM,
>> and this really is an 8088, the extra 1 MB is in EXPANDED memory, which is a
>> hardware paging system (and not supported here.)
>
>It wouldn't be too hard to make minix swap to expanded memory first, instead
>of swapping to disk. Hmm..

I guess it is nothing more than writing an extra ramdisk driver that uses
expanded memory. It may even be possible that you can simply make some bios
calls.




				Philip Homburg
