Date: Wed, 23 Feb 2000 07:07:36 +0500 (MVT)
From: Prashant TR <prashant_tr AT yahoo DOT com>
X-Sender: prashant_tr AT midpec DOT com
To: Kalum Somaratna aka Grendel <kalum AT crosswinds DOT net>
cc: djgpp AT delorie DOT com
Subject: Re: real mode & protected mode (fwd)
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On Wed, 23 Feb 2000, Kalum Somaratna aka Grendel wrote:

> > Did they fail on 486 and up?
> 
> No they didn't. This is because due to the large amount of programs that
> use the 286 loadall insn all 386 and 486 and above BIOSes must emulate the
> insn. 

They did fail on 486s. This instruction was removed from 486+. If you try
using it, it causes exception 6 (Bad opcode) and you will be able to trap
the exception and emulate it.