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From: connery@bnrmtv.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: New Dos from Microsoft
Message-ID: <1622@bnrmtv.UUCP>
Date: Mon, 13-Apr-87 11:29:05 EST
Article-I.D.: bnrmtv.1622
Posted: Mon Apr 13 11:29:05 1987
Date-Received: Thu, 16-Apr-87 00:27:56 EST
References: <705@imsvax.UUCP> <631@edge.UUCP>
Organization: Bell Northern Research, Mtn. View, CA
Lines: 14

> Another consideration:  if'n you put the '286 into protected mode, the
> CPU *itself* slows way down!  So you end up with a slow CPU running
> applications which have to do long, slow operating-system calls in order
> to accomplish a simple "store byte into video buffer".
> 

1) The 286 runs at least 50% FASTER in protected mode than in REAL mode.
   If you think about it, this is obvious--REAL mode is a simulation.

2) OS/2 will allow direct video updates just like the current DOS.
-- 

Glenn Connery, Bell Northern Research, Mountain View, CA
{hplabs,amdahl,3comvax}!bnrmtv!connery