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Is there a UDF filesystem driver for DOS? (Users)

posted by Zyzzle, 21.05.2013, 10:27

> Just as an FYI, there are currently five different versions of UDF that
> should be supported: 1.02, 1.50, 2.01, 2.50 and 2.60. It would also be
> nice to have Joliet support for CD's (which I don't think exists today,
> either).
 Yes, I was hoping for 1.02 and 2.50 support...

> sector size > 512 bytes. AFAIK, though, there are no RAM Disk drivers that
> use anything other than 512 byte sectors.
I believe srdisk v 2.09 supports sector sizes > 512 bytes.

> You can also modify the kernel (MSDOS.SYS) as described in the notes for
> USBDRIVE.A36 (the source code for my USBDRIVE program), starting around
Thanks for the tip, it will come in very handy to know only a single word of MSDOS.SYS needs to be patched to allow the > 512 sector support "natively."

> This is actually a big problem, since disks with 4k sectors (disks larger
> than 2 TB) have been around for a while now.
Yes, I that patch will allow us to use our > 2TB drives in the future with MS-DOS and keep it alive for many more years!

@ glenmcc:

So, perhaps Caldara DOS has some sort of built-in UDF driver? I will certainly test, and thanks for the info. However, believe most DVDs use UDF 1.02 and also have an ISO 9660 filesystem as well. This is called a UDF bridge format, if I recall correctly. Are you sure your DVD is strictly a UDF-only filesystem?

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