[Coco] 720kb Diskettes

[Gene Heskett]

On Sunday 28 February 2016 01:16:20 Bill Pierce via Coco wrote:

> I think you'll find Bob's disks have dns=3, where as the standard
> drivers are dns=1 or 0. Just "dmode /xx dns=3" and his disks should
> read.
>
If those are 5.25" disks formatted in a 96 tpi drive, this is correct, If 
they are 3.5" DD 720k diskettes, this is an error in the disk 
formatting.  No 3.5" DD diskette should have a dns=3.
>
>
>
> Bill Pierce
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> -----Original Message-----
> From: Barry Nelson <barry.nelson at amobiledevice.com>
> To: coco <coco at maltedmedia.com>
> Sent: Sat, Feb 27, 2016 11:17 pm
> Subject: Re: [Coco] 720kb Diskettes
>
> If you can provide a link to at least one disk I can examine it and
> tell you exactly how to get it to mount. There is also a density
> setting you may need that has to do with if the disk is 48 tpi or 96
> tpi.> Gene Heskett gheskett at wdtv.com > Sat Feb 27 19:24:55 EST
> 2016> > On Saturday 27 February 2016 18:46:10 Ed Orbea wrote:> > >   
> I'm finally getting around to accessing via my SDC) the Australian> >
> OS9 POD library files graciously provided by Bob Devries in Feb 2015>
> > (yeah, I know it's taken me a year).> >    Bob says that they are
> 720k diskettes and I am having problems> > getting dmode properly set
> (either in VCC or SDC) to access the> > drives. Whatever I try just
> gives error 249.> >    Can I get a  listing of the proper dmode
> settings?> >    Thanks> >    Ed> > Depending on whether or not the SDC
> honors the side bit, a 720k disk > would be sid=2 cyl=50 if it does,
> otherwise I'd try sid=1 cyl=A0.  > Either way is a 720k, 160 track for
> sid=1, and 80 track if sid=2> > Cheers, Gene Heskett-- Coco mailing
> listCoco at maltedmedia.comhttps://pairlist5.pair.net/mailman/listinfo/co
>co


Cheers, Gene Heskett
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