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#11
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Running an old DOS program
I know of no reason you couldn't load DOS 7.1 into Virtual Box.
You can load it but it will not work 100%. Depending on what you need, VirtualBox, QEMU etc. do not work very well with DOS. Many programs like Borland TASM, and MS MASM crash the VM. |
#12
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Running an old DOS program
On 3/8/12 2:35 PM, Fritz Wuehler wrote:
I know of no reason you couldn't load DOS 7.1 into Virtual Box. You can load it but it will not work 100%. Depending on what you need, VirtualBox, QEMU etc. do not work very well with DOS. Many programs like Borland TASM, and MS MASM crash the VM. Maybe a simpler and easier route would be to go to the pawn shop, Goodwill, flea markets, etc. and buy a desktop that will run DOS without jumping through hoops. -- Ken Mac OS X 10.6.8 Firefox 10.0.2 Thunderbird 10.0.2 LibreOffice 3.5.0 rc3 |
#13
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Running an old DOS program
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#14
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Running an old DOS program
Sjouke Burry s@b wrote in
2.10: I simply use a dos6.22 or 7.xx(win98) bootfloppy, dos 6.22 simply ingnores the ntsf or fat32, I did that, but on a 15 MB partition at the end of the first disk, in a dual- boot using Scorpius. It also has a Datalight network stack and FTP. I ended up not using it a lot, but it boots like lightning on the occasions when I do. It has long filename support. Adding NTFS support is possible, but write access isn't free. Most of its 15 MB is unused, I just let it have that much because it was a neat leftover from some slice-sizing calculations. |
#15
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Running an old DOS program
Sjouke Burry s@b wrote in
2.10: The only problem I had with this solution, is that the graphics cards/monitors mowadays have very few legal vga modes, some only 640*480(16 cols). Windows (98, anyway) has that limit too, natively. Allegedly it should manage 800x600x16 too, with the same core support (native SVGA driver), but it won't work for me. Maybe that's a monitor limitation but doubtful given that once a full Windows install is built with video driver added, it can do it. (Technically anything above 640x480 isn't VGA anyway, and according to Wikipedia the picture is a whole lot more complicated than the usually assumed SVGA=800x600 and 1024x768, and XVGA=1280x1024 and perhaps 1600x1200, before all hell breaks loose in so many new formats that it starts to look silly.) |
#16
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Running an old DOS program
98 Guy wrote in :
Something that would affect the situation drastically for DOS on modern motherboards is the change from the traditional BIOS to some new form of bios that I hear is coming out (or is already out) on some bleeding-edge motherboards (I forget what it's called). That could ease the situation in the long run, but only when it has driven people to make good low level virtual machines. But when they do, the idea of any OS being 'obsolete' will vanish, because people will no longer need to guard against hardware becoming unavailable to run them, and they can use whatever suits them so long as some virtual machine will run it on the hardware they want. This is an ideal method, just not one we have much of, yet. Most VM's are still too high-level, too OS dependent. Silly really, given that 32 bit protected mode (and the Tenberry version used by Partition Magic, etc) are all low level, showing that it can be done. I have nice dreamy visions of multiple cores running one HUGELY fast W98. All that raw power there for programs instead of the OS chewing lots of it... Or one fast new machine allowing two virtual computers to run on one VM layer. The VM would in effect be one big complex static VXD driver, and the computers running on it would have no idea they weren't on dedicated hardware made for them. |
#17
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Running an old DOS program
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#18
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Running an old DOS program
Fritz Wuehler wrote in
. theremailer.net: You can load it but it will not work 100%. Depending on what you need, VirtualBox, QEMU etc. do not work very well with DOS. Many programs like Borland TASM, and MS MASM crash the VM. This is why we need proper low level i386 VM, instead of high level. That, and the changes in hardware and BIOS likely to develop now that ARM cores are getting popular. |
#19
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Running an old DOS program
Industrial One wrote in news:9e5c5ee4-32f1-45b1-
: Its ironic when I think that on the original platform it runs perfectly on 4 MHz and my 3 GHz i7 can't run it in full FPS. Which is also why we ned LOW level VM! |
#20
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Running an old DOS program
Lostgallifreyan wrote in
: Sjouke Burry s@b wrote in 2.10: The only problem I had with this solution, is that the graphics cards/monitors mowadays have very few legal vga modes, some only 640*480(16 cols). Windows (98, anyway) has that limit too, natively. Allegedly it should manage 800x600x16 too, with the same core support (native SVGA driver), but it won't work for me. Maybe that's a monitor limitation but doubtful given that once a full Windows install is built with video driver added, it can do it. (Technically anything above 640x480 isn't VGA anyway, and according to Wikipedia the picture is a whole lot more complicated than the usually assumed SVGA=800x600 and 1024x768, and XVGA=1280x1024 and perhaps 1600x1200, before all hell breaks loose in so many new formats that it starts to look silly.) Well, on my old computers i use svgacc.lib for graphics in C and fortran, and i have 16, 256, and rgb color available, and all without special drivers( et4000 and et6000 xvga cards). It is downright disappointing to see a "mode not supported" square floating across the screen. Tried to load vesa software support on my XP, but that did not improve things. Back to my old computers....(60 Mhz pentium2,xvga vesa support and ethernet package driver support, ISA video grabber and 8 channel 12 bit ado, 4channel dao). PS: I have to dump a few of those old machines, running out of space... But nice for spareparts. |
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