From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: Memory limit in 64 Mb under DOS?
Newsgroups: comp.os.msdos.djgpp
References: <35A52C81CAE0D51198E20090276A816F1C4DC9 AT sail DOT excelsior>
User-Agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (NetBSD/1.5_BETA (alpha))
Message-ID: <1022179322.575758@queeg.ludd.luth.se>
Cache-Post-Path: queeg.ludd.luth.se!unknown AT speedy DOT ludd DOT luth DOT se
X-Cache: nntpcache 2.4.0b5 (see http://www.nntpcache.org/)
Date: 23 May 2002 18:42:02 GMT
Lines: 20
NNTP-Posting-Date: 23 May 2002 18:42:02 GMT
NNTP-Posting-Host: queeg.ludd.luth.se
X-Trace: 1022179322 news.luth.se 284 130.240.16.109
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Yeryomin, Alex <ayeryomin AT excelsior-usa DOT com> wrote:
: We use DJGPP-compiled program under "pure" DOS on compure equipped more than
: 64 Mb of memory, as usual 128 and ever more till 512 Mb. The program works
: under stress memory-usage conditions, so it needs many memory and all memory
: blocks locked at physical memory. But the program cannot allocate physical
: memory more then 64 Mb. Why? When we run testing program under Windows NT,
: it shows that we can use 400 Mb (exactly installed at a computer). But under
: DOS it always detects only 64 Mb! See the testing program below. Total
: number of physical pages is always ~16000, and each peage is 4096 bytes.

: Can you help me? We need MORE memory to continue use DJGPP...

Get a better XMS memory manager. Like FDXXMS,
<http://www.ludd.luth.se/~ams/fdxms/>. Warning: Microsnoft's EMM386
doesn't work with FDXMS.


Right,

						MartinS