Re: Custom floppy reading hardware interface

From: Pete Rittwage <peter_at_rittwage.com>
Date: Mon, 27 Jan 2014 14:44:36 -0500 (EST)
Message-ID: <53804.10.2.0.168.1390851876.squirrel@rittwage.com>
It appears that this is supported on KF for reading. Not writing, yet,
though.

http://forum.kryoflux.com/viewtopic.php?f=2&t=135

-Pete


On Mon, January 27, 2014 2:15 pm, Justin wrote:
> I was more hoping for a solution to dealing with the variable spindle
> speed on the 400 and 800k Mac formats. I picked up an old 9600, but its
> 604 won't boot anymore, and OS 7.6.1 won't boot with the G3 in it. It was
> the last hardware Apple sold that could read the 400k format, but they
> stopped including driver support for the 400k format after OS 7.6.1.
> Rather than hunt for a 604 processor card, I was hoping to find some
> vintage computing solution that would do more than scratch my Mac floppy
> itch, IE handle Amiga and my handful of 1581 floppies too.
>
> Justin
>
>> On Jan 27, 2014, at 17:09, "Pete Rittwage" <peter@rittwage.com> wrote:
>>
>> I don't think anyone has done any work on Apple (especially Mac) floppy
>> preservation, if that's what you're referring to.  This is likely due to
>> lack of interest.
>>
>> I'm sure you can make raw images from them with Kryoflux, but decoding
>> them into something for use in emulation is not likely at this time
>> unless
>> you write it yourself.
>>
>> -
>> Pete Rittwage
>> Disk Preservation Project
>> http://diskpreservation.com
>>
>>
>>> On Mon, January 27, 2014 4:53 am, Justin wrote:
>>> Has anyone seen a good solution for 3.5" commodore and Amiga floppies
>>> that
>>> can also deal with Apple's problematic 400k and 800k formats?
>>>
>>> Justin
>>>
>>>> On Jan 20, 2014, at 16:23, Rob Clarke <crock@clarke-family.org.uk>
>>>> wrote:
>>>>
>>>>
>>>>> When it comes to 3.5" media, the difference between DD (600 Oe) and
>>>>> HD
>>>>> (750 Oe) apparently is less, so it may still work to format a 1.44 MB
>>>>> floppy disk as double density, at least for a while.
>>>>
>>>> When I was in my first summer job in 1987 (paying my Dad back the
>>>> money
>>>> he used to buy me an Amiga 1000), I suddenly had access to a
>>>> 'limitless'
>>>> supply of pre-formatted HD 3.5" floppies from the office store
>>>> cupboard.
>>>> I was terribly disappointed when none of them would work reliably in
>>>> the
>>>> Amiga, though it probably saved me from getting fired for stealing.
>>>> :-)
>>>>
>>>> Years later I found out that I could make them work by wiping them
>>>> with
>>>> a bulk-eraser (very powerful elctro-magnet) first.
>>>>
>>>> Rob
>>>>
>>>>    Message was sent through the cbm-hackers mailing list
>>>
>>>      Message was sent through the cbm-hackers mailing list
>>
>>
>>      Message was sent through the cbm-hackers mailing list
>


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Received on 2014-01-27 20:02:41

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