From:	russell DOT thamm AT dsto DOT defence DOT gov DOT au
Newsgroups:	comp.os.msdos.djgpp
Subject:	DJGPP & 256 MB
Date:	Wed, 21 Oct 1998 05:23:19 GMT
Organization:	Deja News - The Leader in Internet Discussion
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp
Reply-To:	djgpp AT delorie DOT com

Can someone please tell me how to create a DJGPP program that can access
all 256 MBytes of installed physical memory. I've read the FAQ and I still
can't work it out.

I am running in DOS 7 (Exit To DOS with custom CONFIG.SYS/AUTOEXEC.BAT).
I am using CWSDPMI r4 configured for no virtual memory.
I have HIMEM loaded.

My program has a 118 MByte data structure and it causes a segmentation
fault while loading. If I halve the size of this data structure, the
program runs OK.

The behaviour is the same with EMM386 loaded or not (novcpi noems), so I
am convinced that the 128 MByte limit is the problem.

Even if I could get it to work without EMM386 (which I can't), I have so
little base memory left that I keep getting "out of memory errors" during
compilation. I really need to load some drivers high (only 440k of base memory
without smartdrv loaded).

I'd be grateful for any help
Russell Thamm

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