Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!ncar!tank!uwvax!astroatc!nicmad!brown
From: brown@nicmad.UUCP (Vidiot)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Problem of breaking DOS 640K RAM limit?
Message-ID: <3755@nicmad.UUCP>
Date: 6 Mar 89 17:17:40 GMT
References: <74032HJW2@PSUVM>
Reply-To: brown@nicmad.UUCP (Vidiot)
Distribution: na
Organization: Vidiot's Hangout
Lines: 18

In article <74032HJW2@PSUVM> HJW2@PSUVM.BITNET writes:
<I have an IBM AT compatible with 512K on board.  Recently I installed another
<512K to bring it up to 1 Meg. and found out it a waste for anything over 640K.
<I am using DOS 3.3 which only recognizes 640K RAM.  The only thing I can do is
<to create a ram drive which is useless to me.  I know PS/2 50s can address 1
<Meg. without any problem.  Is there a way to 'tell' the system to use the extra
<384K memory as normal?  I am using the Microsoft Windows/286 and know it can't
<be so powerful if I have only 640K RAM.

It isn't the amount of memory that is a problem, it is DOS that is a problem.
It is written so that only the first 640K is available for applications.  We
have a PS/2-50 and applications only know about 640K.  The other memory is
only available to things like VDISK.  Sorry.
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