Re: Unknown 1541 add-on card

From: Gerrit Heitsch <>
Date: Wed, 26 Jun 2013 19:06:02 +0200
Message-ID: <>
On 06/26/2013 06:36 PM, wrote:
> On 2013-06-26, at 17:41, Gerrit Heitsch wrote:
>>>> I'd be very surprised if it wasn't for a 1541, maybe for the newer PCB revision with the single ROM? The one known as the 1541C.
>>> Hmm.. How would it transfer the data then to the computer then?
>> You could just grab the port pins directly from the VIA for example.
> AFAIR 1541C needed one bit to be grounded on the VIA port...

Depends on the ROM you use. If you run a 1541C with the ROM from the 
1541-II or the original 1541 (in an EPROM) you can use the port any way 
you wish. You won't get to use the track zero sensor though.


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Received on 2013-06-26 18:00:07

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