Re: 'Frankenstein' Disk Drives, Done Cheap

From: Nate Lawson <>
Date: Sun, 4 May 2014 15:52:05 -0700
Message-Id: <>
On Apr 25, 2014, at 7:26 AM, Gerrit Heitsch <> wrote:

> On 04/25/2014 02:31 PM, Pete Rittwage wrote:
>> On Fri, April 25, 2014 6:13 am, smf wrote:
>>>> I'm pretty sure that the last time I tested it Jiffy was slightly faster
>>>> than fast serial when both were used with a drive that was not limited
>>>> by the access/read time of the medium.
>>> I guess commodore dropped the ball again as the 1571 connected to a
>>> zoomfloppy can run really fast.
>> It exploits a high divider/serial rate that the original 64/128 could
>> never hope to achieve.
> Probably running the 1571 and by extension the CIA in it at 2 MHz. Even when running the C128 at 2 MHz, the CIAs will still be clocked at 1 MHz.

Oh, didnít know that about the C128. So yes, it would be impossible without implementing 2 MHz CIA mode there.


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Received on 2014-05-04 23:03:23

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