5 Jan
2013
5 Jan
'13
3:45 p.m.
On Sat, Jan 05, 2013 at 02:06:32AM -0800, r.stricklin wrote:
Howdy folks.
I have a handful of 5.25" floppy disks for an Ohio Scientific C1, which
I would like to image. Anyone have any info on this disk format, or know
of a tool that can read them?
For the 8" disks OSI used a serial chip to write data to the drive. The
drive had an internal data separator. I think the 5.25" used the same
format. Its incompatible with any normal disk controller chip. Only raw
transition tools could image the disk.
If you have an OSI a dump program is here
http://osiweb.org/software.html
This thread previously discussed it. It seemed to conclude none of the
current tools have been programmed to decode that format.
http://www.classiccmp.org/pipermail/cctalk/2012-February/312129.html
The source code for the dumper may give you info on decoding the
format. I may be able to dig up where the 8" format is documented if
it helps.