[Coco] question about 3.5 inch floppies

[mike delyea]

Not exactly.  You can use dmode to set the drives parameters to be a
720k double sided drive, otherwise the drive behaves as a 160k single
sided drive.  You have to change the typ, cyl, sid parameters (type,
cylinders, sides), and probably the stepping rate for faster
operation.  I don't remember the actual settings for a 720k drive,
I'll have to look them up.  Once you've got the drive setup properly
you can use cobbler to make a new boot disk that keeps the drives
parameters for the next time you boot, else you'll be using dmode
everytime you boot.

On Mon, Aug 3, 2009 at 8:47 AM, Stephen Adolph<twospruces at gmail.com> wrote:
> Hi,
>
> Another dumb question-
>
> A 3.5 inch drive will work like a 720k drive simply by placing a DD
> (720k) disk into the drive, right?
>
> So, to use a 3.5 inch floppy with Nirtos-9, one merely needs to have
> it be plugged in, and make sure to use 720k floppies.   The disk drive
> will operate correctly. (?)
>
> Interestingly, I have 3 different versions of the same Panasonicn
> JU-257.  Only one of them can be selected to be drive 0 or 1.
>
> I think I have read that, in the coco, you want to use hard drive
> selects...no twisted cables.
>
> thanks, Steve
>
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