Re: Commodore 65 and 1581 incompatibility

From: Konrad B <konrad0x42_at_gmail.com>
Date: Thu, 19 Nov 2015 21:49:07 +0100
Message-ID: <CAB5WB+vPRdWH5_3zxzVv7dR9KHEJqSJc5GrvaPO+xi_Bh=y-iA@mail.gmail.com>
Yeah, external, not the built in ;)  CD1411.

Maybe there were other drive mechanisms used but one that I have just
checked is FB354. PCB is slightly different, apparently it should be
possible to add the 34 pin connector.

Regards,
Konrad
19 lis 2015 20:53 <silverdr@wfmh.org.pl> napisał(a):

> You mean the external CDTV drive? I should have a few somewhere. I always
> thought they differed only with the colour of the casing as any external
> Amiga drive could be used. I shall find and check one of the black CDTV
> ones.
>
> On 19 November 2015 20:40:55 CET, Konrad B <konrad0x42@gmail.com> wrote:
>>
>> FB354 in a CDTV drive has 24 pin connector, as well as the (unpopulated)
>> 34 pin one in non standard location.
>>
>> Regards,
>> Konrad
>> 19 lis 2015 20:28 <silverdr@wfmh.org.pl> napisał(a):
>>
>>>
>>> > On 2015-11-19, at 18:27, Michał Pleban <lists@michau.name> wrote:
>>> >
>>> > Hello!
>>> >
>>> > silverdr@wfmh.org.pl wrote:
>>> >
>>> >>> Hm I understand you mean removing the drive from 1581 and
>>> transplanting
>>> >>> it to the C65?
>>> >> Yes, that's what I mean.
>>> >
>>> > I opened the computer and the drive, but the mechs do not seem
>>> > interchangeable. The mech in 1581 is labeled F-354E and the mech in C65
>>> > is FB-354C. The connector is different, the eject mechanism is also
>>> > different.
>>>
>>> Are you sure the connector is different?! Isn't it a 34 pin Shugart type
>>> connector?! Obviously I can't now look into my C65 now to verify this ;-)
>>> In 1581 any "Amiga drive" can be used. Definitely the infamous FB-354,
>>> which I suspected it to be in both cases. Mechanically the Amiga 500 drives
>>> fit. Sometimes the eject button has to be replaced.
>>>
>>> > Anyway, I reseated the mech connector and the FDC chip, and now I can
>>> > format disks on the C65 and the 1581 reads them fine. However, the
>>> drive
>>> > in C65 is unreliable, when I insert a disk sometimes it refuses to read
>>> > it, or it gives weird errors like "disk is write protected". I think I
>>> > would like to replace it, but where do I get a FB-354C?
>>>
>>> OK, I found this:
>>>
>>> http://www.softwolves.com/arkiv/cbm-hackers/16/16508.html
>>>
>>> So indeed there is a different connector. Yet I would be rather
>>> surprised if they made a very special drive. My guess is that they combined
>>> the power with signal lines on one cable but still kept the Shugart
>>> interface intact. If this is true then you should be able to adapt
>>> (including the eject button exchange) any FB-354 as found in A500s
>>>
>>> --
>>> SD!
>>>
>>>
>>>        Message was sent through the cbm-hackers mailing list
>>>
>>
> --
> Sent from mobile device. Please have understanding.
>


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Received on 2015-11-19 21:00:09

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