Burning CD's for DOS ?

Getting old software/games running on older hardware.

Burning CD's for DOS ?

Postby Intel486dx33 » 2018-7-06 @ 18:07

What format settings do I need in my CD burning app to burn CD's that will be readable in DOS and Win3x ?

ISO settings ?
File name character length's ( 8 character limit ) ?
Any other speacial setting I may need ?

I am using "Roxio" in Windows and "Burn" in OSX.
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Re: Burning CD's for DOS ?

Postby derSammler » 2018-7-06 @ 18:11

Just burn a standard ISO9660 disc, no Joliet, UDF, or other modern features.
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Re: Burning CD's for DOS ?

Postby gdjacobs » 2018-7-06 @ 21:49

Joliet, Rock Ridge, and El Torito shouldn't cause any problems. UDF, of course, isn't understood by any of the CD extensions for DOS.
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Re: Burning CD's for DOS ?

Postby debs3759 » 2018-7-07 @ 16:19

For maximum compatibility, stick with just ISO 9660, and 8+3 filenames.
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Re: Burning CD's for DOS ?

Postby gdjacobs » 2018-7-08 @ 17:05

The only problem wtih Joliet or Rock Ridge (or both) is that the 8.3 filenames they map to might not be what you prefer. Plain ISO9660 allows you to choose those names explicitly.
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Re: Burning CD's for DOS ?

Postby Azarien » 2018-7-09 @ 21:09

I remember having a CD with some long-named folders that couldn't be accessed from DOS at all, but worked fine in Windows 95.
I don't know what standard was used for those names.
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Re: Burning CD's for DOS ?

Postby gdjacobs » 2018-7-10 @ 05:41

Win95 and up used Joliet for an LFN, extension. The standard requires an ISO to retain an 8.3 mapping using DOS compatible characters to the raw data. Rock Ridge and Joliet in turn map LFN data to the 8.3 file names without interfering in the basic function of the filesystem. This is transparently presented to the user on platforms that support it and ignored in those that don't.

I'm guessing that the base ISO9660 data simply wasn't mastered according to standard which resulted in an incompatible disk. Poking around Wikipedia, I see that there were other "standards" which didn't preserve backwards compatibility that could also explain this issue.
https://en.wikipedia.org/wiki/Romeo_file_system
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Re: Burning CD's for DOS ?

Postby Liveandlearn » 2018-7-16 @ 22:53

Nero 10:
Mode 1
Only ISO 9660
Max of 11 8+3
ISO 9660
untick all boxes below that.

I just drag and drop. It gets rid of any name settings other then 8+3.
When files are messed up with names (had problems in the past).
I burn an iso with my files makes them word again :D

included a screenshot
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Nero.jpg
Settings for ISO for dos
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