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Re: [CQ-Contest] Microsoft Virtual PC - multiple operating systems

To: "'cq-contest reflector'" <cq-contest@contesting.com>
Subject: Re: [CQ-Contest] Microsoft Virtual PC - multiple operating systems
From: "Robert Brandon" <rb@austin.rr.com>
Date: Wed, 12 Dec 2007 16:02:31 -0600
List-post: <mailto:cq-contest@contesting.com>
It's definitely an interesting tool, although not the first of its type on
the block.  And the price is certainly right.  :-)  It allows you to run
multiple operating systems *simultaneously* on a single machine.  Its
primary uses in the business world are reducing the hardware requirements of
test labs/training labs and allowing uber-geeks to bounce between a Linux
machine, Windows machine, etc. with just one physical computer.  On the
server side, it allows consolidation and isolation of several applications
on a single physical machine, quick restores to a previous states, etc.

Unfortunately, programs like Virtual PC do NOT get around the problem that
DOS applications face when running on NT/2K/XP/Vista.  The DOS programs were
written to communicate directly with hardware.  This made it easy to send
perfectly timed dits and dahs to a serial/parallel port.  Windows 95/98/ME
would still allow that because they were based on DOS.  NT/2K/XP/Vista
intercept and referee all calls to the hardware.  If anything, VPC adds yet
another layer of referees.

Robert K5PI


-----Original Message-----
From: cq-contest-bounces@contesting.com
[mailto:cq-contest-bounces@contesting.com] On Behalf Of Dave Hachadorian
Sent: Wednesday, December 12, 2007 12:48 PM
To: cq-contest reflector
Subject: [CQ-Contest] Microsoft Virtual PC - multiple operating systems

I just stumbled across a reference to Microsoft Virtual PC, 
a free program from Microsoft that supposedly allows the use 
of multiple operating systems on one PC.
http://www.microsoft.com/windows/products/winfamily/virtualpc/default.mspx

Any thoughts on whether this would be suitable for running 
DOS logging applications on an XP computer, or running 
windows loggers under XP on a Vista computer?

There's probably a catch, because the computer 
wonk/contesters out there should have tipped us off to this 
by now.

Dave Hachadorian, K6LL
Yuma, AZ 

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