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From: Georg <dosusb AT googlemail DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: incompatible
Date: Mon, 21 May 2012 04:22:14 -0700 (PDT)
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On 21 Mai, 10:57, RayeR <gl DOT  DOT  DOT  AT centrum DOT cz> wrote:
> Just a note, if you want to use >4GB RAM in windows the 64bits is not
> only one possible way. I guess you heard about PAE. It's supported in
> server editions of win2000 and win2003 and also vista and 7. Also it
> works well in Linux (may require that you will recompile kernel with
> enabled PAE feature). Your windows apps will not be able to use >4GB
> at once but more runnings apps can utilize >4GB from system. If you
> have 32bit version of Vista or 7 you can try this patchhttp://arstechnica.com/civis/viewtopic.php?f=15&t=49358
> that will cure the windows kernel to not be limited by nonsense
> restrictions. But you may expect that some driver will not be PAE
> compatible and cause crash at boot and you will have to revert and
> track the problem. But it's a way to go. My way is to stay on XP-SP3
> until there will be drivers for new hardware. I know it will not last
> forever. Then I probably switch fully to Linux with use of wine,
> dosemu/dosbox, vmware etc.
>
> About DOS 32bit bins support under Win64 - On bttr forum it was
> noticed that openwatcom can do this. It can make standard win32 PE
> console apps that are stubbed to run under DOS. So they runs under
> Win64 too because stub is not executed instead PE is loaded. I think
> this is possible way for DJGPP - it could exploit openwatcom's libc
> and support of PE format, we already have HDPMI for running win32
> PEs... But my knowledges don't go so deep here to write it all myself.
> I rather wrote some thin layer and driver that let me use source
> compatibility and compile separately under dos/linux/win32 (all gcc)
> same source. But I have issue with Win64 driver signing (afaik there's
> boot switch to disable the check but nobody would want mess up his
> system).

Did you mean this thread?:
http://www.bttr-software.de/forum/forum_entry.php?id=10847

Rugxulo wrote in this thread that he made a djgpp program that works
both with DOS and Windows64 by using RSX/NT. Will this work with just
about any djgpp program?

Georg