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DoubleSpace volumes?

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(@kovar)
Posts: 805
Prominent Member
Topic starter
 

Greetings,

I need to recover files from a MSDOS 6 DoubleSpace volume. Any suggestions for tools that can do this? If necessary, I can build a system that I can install DoubleSpace on, or perhaps boot a drive image using LiveView, but it'd be a lot quicker if there was a tool available that would open the volume directly under some modern version of Windows. FTK, EnCase, and X-Ways can't do anything with it.

-David

 
Posted : 03/04/2010 7:39 am
jaclaz
(@jaclaz)
Posts: 5133
Illustrious Member
 

You can use a VM with DOS allright, can't you?

Qemu would do allright.

Are you sure it is DOUBLEspace? (and not DRIVEspace?)
http//www.yourdictionary.com/computer/dos-double-space

Anyway, DOS 6.22 has BOTH, some related info
http//www.edbfreak.dk/_dos/S7.HTM

Just in case
http//www.simtel.net/product/view/id/7665

There is a kernel driver for Linux
http//cmp.felk.cvut.cz/~pisa/dmsdos/
but you will need some given kernel as it is not compatible with "all" of them.

jaclaz

 
Posted : 03/04/2010 9:51 pm
(@kovar)
Posts: 805
Prominent Member
Topic starter
 

Greetings,

I'm building a Windows 98 VM and it looks like that'll do the trick. My problem has been getting USB support to work in it so I may end up transferring files via CD of all things. But it'll get the job done.

The second to last link looks interesting. Always good to have source code around. I'll take a shot with that once I have this first effort finished.

Thanks very much for the help.

-David

 
Posted : 04/04/2010 7:41 am
(@sanbarrow)
Posts: 23
Eminent Member
 

If you add the USB-disk to a VM as physical disk instead of adding it as USB-device you can access it from within the Win98 without needing CDs or fiddling with USB-drivers

 
Posted : 04/04/2010 8:05 pm
jaclaz
(@jaclaz)
Posts: 5133
Illustrious Member
 

Specific instructions for Qemu and Virtualbox and VMware are here
http//www.boot-land.net/forums/index.php?showtopic=7650
http//www.boot-land.net/forums/index.php?showtopic=8581
http//www.boot-land.net/forums/index.php?showtopic=9688

However, you don't need/want a Windows 98 install, you want a DOS 6.0 or 6.22 install, unless the files are Drivespace "3", though theoretically different drivespace versions are backwards compatible, I wouldn't trust this much, expecially if it's an actual Doublespace (DOS 6.0) image
http//en.wikipedia.org/wiki/DriveSpace

jaclaz

 
Posted : 04/04/2010 11:28 pm
(@kovar)
Posts: 805
Prominent Member
Topic starter
 

Greetings,

Ahhhh! I was struggling with the USB drivers and eventually punted and did everything with CDs. Thanks very much for that tip.

Windows 98 did open the DoubleSpace volume. The only catch is that it had to be on a FAT 16 partition.

I now have a Windows 95 and Windows 98 VM sitting around for the next time I need one. I'll see about building up a DOS 6.22 system as well.

Thank you all for your help.

-David

 
Posted : 05/04/2010 7:01 am
jaclaz
(@jaclaz)
Posts: 5133
Illustrious Member
 

Happy to know went fine. D

jaclaz

 
Posted : 05/04/2010 10:24 pm
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