Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!swrinde!elroy.jpl.nasa.gov!ncar!hsdndev!cmcl2!adm!lhc!usenet
From: usenet@nlm.nih.gov (usenet news poster)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: What's so special about the UMB?
Message-ID: <1991Jun6.153609.2489@nlm.nih.gov>
Date: 6 Jun 91 15:36:09 GMT
References: <1991May30.213856.1@freke.claremont.edu> <1991Jun06.030024.1439@cs.fau.edu>
Reply-To: werner@bio.NLM.NIH.GOV (Craig Werner)
Distribution: usa
Organization: National Library of Medicine
Lines: 12

In article <1991Jun06.030024.1439@cs.fau.edu> eric@cs.fau.edu (Eric Thav) writes:
>In article <1991May30.213856.1@freke.claremont.edu> dhosek@freke.claremont.edu (Don Hosek) writes:
>>What is it about the first 64K of extended mem that makes it so
>>special to DOS 5.0, DESQview, et alia? It seems that there should
>
>area can access that 64K block as CONVENTIONAL MEMORY.  Microsoft, when 
>Windows 2.0 was introduced, "discovered" this area suddenly and developed the
>HIMEM.SYS driver to access it.  

	Actually, Quarterdeck "discovered" this area.  Microsoft just
made more of a big deal about it, and seems to have gotten most of
credit, which is typical.