Path: utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!apple!ames!hc!lll-winken!csd4.milw.wisc.edu!uxc!uxc.cso.uiuc.edu!m.cs.uiuc.edu!brown
From: brown@m.cs.uiuc.edu
Newsgroups: comp.sys.ibm.pc
Subject: Re: Using Extended Memory without deref
Message-ID: <8000048@m.cs.uiuc.edu>
Date: 28 May 89 08:03:00 GMT
References: <1141@ptolemy.arc.nasa.gov>
Lines: 9
Nf-ID: #R:ptolemy.arc.nasa.gov:1141:m.cs.uiuc.edu:8000048:000:243
Nf-From: m.cs.uiuc.edu!brown    May 28 03:03:00 1989


>XMS 2.0 also formally makes the first 64K of extended memory available as a    
>non protected mode memory resource using the overflow into A20 trick.          

    What is the "overflow into A20 trick?"


	William Brown
	brown@cs.uiuc.edu