Re: strange adapter on 1541

From: Professor Dredd (
Date: 2002-10-25 22:45:15

Yep, it's a parallel cable for use with certain Fast DOS enhancements
and copiers and disk copiers like Burst Nibbler and 21-Second Backup.
Programs which make use of this cable can achieve very fast transfer
speeds. Here are some links for you:

(Copy and paste it into the Address bar of your web browser if it's not

--- William Levak <> wrote:
> I have come across a 1541 disk drive with a strange adapter on it. 
> There
> is a 9 pin D connector on the outside.  This is connected to an
> adapter
> that goes between the 6522 and it's socket at UC1.  The wires are
> connected to pins 2-9.  These are for PA0-7 on the 6522, which are
> normally unused on the 1541.
> Does anyone know what this is for?

C-64 and Apple II website -

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