Dave Mabry wrote:
>
> I think I've still got a problem doing this, though. The 5 1/4 inch
> diskettes that I want to image are 96 tpi and standard PC diskette
> drives are 48 tpi. Although the 1.2M AT-style ones were 96 tpi. Not
> sure if I can make one of them work. That might be worth a try.
>
> Another obstacle is that 440BX chipsets only control one floppy drive.
> I don't have an older PC that can control two floppy drives. Am I
> missing something here?
>
> The 8 inch diskettes are Intel's somewhat unique M2FM, not the more
> standard MFM. So I doubt that there is any diskette controller for the
> PC that would read them.
>
> What I was hoping for was a program that would run under CP/M on the
> target machine that would allow me to make an image file of a diskette
> on that machine. Then I could transfer that image file over to a PC and
> put it on a CD. Thinking about it, though, I might end up with a catch
> 22. In order to make a diskette from one of those images would require
> a running CP/M machine.
>
> Are you saying below that a 96 tpi 5 1/4 inch diskette drive can plug
> into a PC and be detected as a 720K 3.5 inch drive?
>
> More for me to think about. Thanks.
>
> "Fred Cisin (XenoSoft)" wrote:
> >
> > > It might be possible to hook up the 8" drives to a PC but choose the 1.2 meg
> > > 5.25" option in bios but I don't know. It probably wouldn't work but I'll
> > > let someone else confirm that.
> >
> > It works. just a matter of cabling, as the 1.2M is virtually
> > indistinguishable from 8". But cable it as drive B:, because some BIOS's
> > will have a problem with it not having a 360K mode.
> >
> > And 5.25" 720K and 3.5" 720K are direct replacements for each other.
>
> --
> Dave Mabry dmabry_at_mich.com
> Dossin Museum Underwater Research Team
> NACD #2093
Check out CatWeasel on the web , they may be able to read the format.
While they has a PC card the Amiga (sp?) is better supported.
--
Ben Franchuk --- Pre-historic Cpu's --
www.jetnet.ab.ca/users/bfranchuk/index.html
Received on Mon Dec 24 2001 - 00:18:07 GMT