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From: osmoviita@cc.helsinki.fi
Newsgroups: comp.lang.c
Subject: Re: Intel 386 CREAD/NEW/FOLLOWUP
Message-ID: <1991Jun17.212831.1@cc.helsinki.fi>
Date: 17 Jun 91 19:28:31 GMT
References: <1991Jun14.161614.2277@inferno.peri.com> <1991Jun17.020201.14746@proto.com>
Sender: news@klaava.Helsinki.FI (Uutis Ankka)
Organization: University of Helsinki
Lines: 18

In article <1991Jun17.020201.14746@proto.com>, doug@proto.com (Doug Huffman) writes:
> 
> There are two separate DOS extenders.  One is for the 286 and is licensed
> from Rational Systems.  The resultant executable will (of course) run on
> 386 machines.  The other is for the 386 and will run only on 386's and 486's
> and is licensed from me.  The 386 one has a 64 MB limit under DOS and VCPI
> because the BIOS returns the number of K bytes of extended memory available 
> in a 16 bit register, under DPMI you have less because things are different
> .... (understatement of the month).
> 
> uunet!proto!doug
> doug@proto.com

Only 64 MB? DJGPP has 128 MB main memory + 128 MB disk swap space! 
How about the virtual memory size in Your extender? And so, is DPMI only
for small data forever?

Kari Osmoviita		osmoviita@cc.helsinki.fi