[Coco] Coco disks

[Richard E Crislip]

On Mon, 2 Feb 2015 09:51:09 -0600
Allen Huffman <alsplace at pobox.com> wrote:

> On Feb 1, 2015, at 11:50 PM, Richard E Crislip <rcrislip at neo.rr.com>
> wrote:
> > 
> > How did you resolve the non-standard disk issue? I have many 40
> > track dual sided disk and 42 track dual sided disks. TIA
> 
> 
> I ended up copying the OS-9 disks under OS-9, so it handles 35, 40,
> 42 tracks just fine.
> 
> For RS-DOS, I may have missed some. I only had one disk clearly
> marked as 40 track DS (each side appearing as its own drive), but I
> find several disks with 40TRACKS.BAS on them. Those, most likely, I
> lost data on doing a 35-track backup IF they had data exceeding 35
> tracks worth.
> 
> BUT, the plan would be to put RS-DOS in 40 track mode with the
> patches, and try to back everything up to 40. My sector-by-sector
> copy would just start failing after track 35 so no harm would be
> done. I suppose I could even make it fail if track 36 started out
> unreadable, but that would risk disks that actually had data past
> track 35 that “just happened’ to have a sector error at the start of
> track 36.
> 
> If I had it to do over, I would have taken that approach.
> 
> Question: Does anyone know if the OS-9 “rsdos” command supports
> 40-track DECB disks? I used that from OS-9 to just pull the files off
> my identified 40 track disk but wonder if I got all the files.
> Hopefully it just follows whatever granule the directory says, and
> should work. -- Allen Huffman - PO Box 22031 - Clive IA 50325 -
> 515-999-0227 (vmail/TXT only) Sub-Etha Software -
> http://www.subethasoftware.com - Established 1990! Sent from my
> MacBook.
> 
> P.S. Since 4/15/14, I have earned OVER $600  in Amazon gift cards via
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> 
> 
> 
> 
> 
> 

So if I understand correctly, you booted OS-9 from the DOSSDC, then
saved your disk to the SD? I would like mine to be saved there too for
sure, but I do not want all my disks in one basket, I also want to save
to PC storage via DW. Are you doing that? TIA