Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!wuarchive!ukma!usenet.ins.cwru.edu!ysub!psuvm!barilvm!bimacs!orenalex
From: orenalex@bimacs.BITNET (oren alex)
Newsgroups: comp.os.msdos.programmer
Subject: Re: Protected mode/Real mode switching
Message-ID: <3199@bimacs.BITNET>
Date: 24 Apr 91 16:31:00 GMT
References: <1991Apr15.160333.8107@msuinfo.cl.msu.edu> <37390009@hpopd.pwd.hp.com>
Reply-To: orenalex@bimacs.UUCP (oren alex)
Organization: Bar-Ilan University, Israel.
Lines: 14

In article <37390009@hpopd.pwd.hp.com> dcc@hpopd.pwd.hp.com (Daniel Creswell) writes:

>Now the bad news. The only way to switch back to real mode is to use the reset
>op. i.e. Just like you'd powered off and on. I dunno how it's done technically
>but I imagine you wedge a vector and once reset is achieved your code gets
>control back. At this point now doubt you'd wanna restore register's etc.
>
>Hope thats some help - I guess a Microsoft programmer on the Windows team'd be
>perfect for this question.

Wasn't there an undocumented "load all" function?
Could it help?