Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!uunet!mcsun!sunic!tut!hydra!hylka!kulokari
From: kulokari@cc.helsinki.fi
Newsgroups: comp.os.os2
Subject: Re: Is it possible to define a VDISK for DOS Box DOS to use?
Message-ID: <2122.26014d4f@cc.helsinki.fi>
Date: 16 Mar 90 20:32:15 GMT
References: <32811@brunix.UUCP>
Organization: University of Helsinki
Lines: 16

In article <32811@brunix.UUCP>, dkb@cs.brown.edu (Dilip Barman) writes:
> The title basically says it all.  I suspect the answer is no.  It would
> be great if the DOS compatability box DOS could use extended or expanded
> memory, but if I put my thinking hat on for a moment, I guess that would
> architecturally be a problem since OS/2 manages memory above 1 Meg
> (and above 640 K? probably not because that's where memory-mapped I/O
> is done so DOS needs to manage that).  So, am I right in assuming that
> my DOS Box can't have a virtual disk?

No, you are wrong. As a little test would have revealed, the OS/2 VDISK.SYS
is a dual-mode driver. 

Hannu Kulokari

CC, U of Helsinki
kulokari@cc.helsinki.fi