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Re: Parallel Card

Subject: Re: Parallel Card
From: "David Wilson" <mcs6502@gmail.com>
Date: 26 May 2006 07:55:46 -0700
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mdj wrote:
> Every parallel card I have lying around for the Apple II is a 'dumb'
> parallel card that implements 8 outputs and a strobe using TTL logic,
> plus an EPROM to provide the communications firmware. Still useful, but
> crummy compared to a 6522 card.

Here a link to an eBay listing of the parallel printer card I use as a
general purpose I/O card as it is based on a 6821 PIA. Very simple
design with only the EPROM + PIA.
http://cgi.ebay.com.au/ws/eBayISAPI.dll?ViewItem&item=120000073165

References:
- Parallel Card
  - From: "Bryan Parkoff" <none@nospam.net>
- Re: Parallel Card
  - From: "mdj" <mdj.mdj@gmail.com>
- Re: Parallel Card
  - From: "Bryan Parkoff" <none@nospam.net>
- Re: Parallel Card
  - From: "Michael J. Mahon" <mjmahon@aol.com>
- Re: Parallel Card
  - From: "mdj" <mdj.mdj@gmail.com>

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