[Coco] question about 3.5 inch floppies

[Gene Heskett]

On Monday 03 August 2009, mike delyea wrote:
>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.
>
Or one could add the dmode command to the startup file. :)

>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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>
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-- 
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