12 May
2010
12 May
'10
8:21 p.m.
Just guessin.
This relates to the A20 switch logic, and access to mem above 1M.
It was eihter switched off and wrapped around, or enabled.
Randy
Date: Wed, 12 May 2010 09:13:02 +0100
From: afra at aurigae.demon.co.uk
To:
Subject: Re: Sigh, progresss is.....
On 12/05/2010 08:38, Eric Smith wrote:
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On 05/11/2010 09:37 PM, Jos Dreesen wrote:
Well yes, but that's kinda like saying that (for example) fdisk won't
work without a hard disk....because the hardware is not there to use it
:) :)
Phill.
when you are trying to revive an IBM 5150, that :
[...]
- you don't remember which is the last DOS
version that runs on a
standard 5150
As far as I know, all releases of IBM PC DOS/IBM DOS through 6.x
and
MS-DOS through 6.x work on a 5150. I'm not sure about IBM PC DOS 7, IBM
PC DOS 2000, or MS-DOS 7.x.
Obviously some features of the later versions of DOS aren't going to
work on the 5150, e.g., EMM386.