Re: sd2iec ported to petSD

From: Steve Gray <>
Date: Mon, 30 May 2011 13:35:41 -0700 (PDT)
Message-ID: <>
For me, a simple solution that plugs directly onto the PET IEEE card edge 
connector would be best. I'm not likely to have additional drives. If a solution 
can be made that's small and simple that would be great. It's too bad there is 
no power on the IEEE connector to power the unit, so we'd need to tap the 
cassette port again. I'd probably pick up a couple units if they were in the $50 
price range give or take.

Its been a long wait for a complete plug-and-play solution for PET card 


----- Original Message ----
> From: Jim Brain <>
> To:
> Sent: Mon, May 30, 2011 3:32:51 PM
> Subject: Re: sd2iec ported to petSD
> On 5/29/2011 9:41 PM, Nils Eilers wrote:
> >> Impressive.  I hope you'll consider feeding the code back to Ingo.  Is there 
>a project page?  I still have design files for uIEEE/SD, but I am so far behind 
>on projects due to the job search and new job.
> > 
> > 
> > I'd me more than happy, if you'd offer a uIEEE/SD in your shop. If I can help 
>you in any way, just let me know.
> Getting the patch into the codebase would be the best help.  A schematic 
>showing which pins you connected to the 75XXX units would also help.  I am 
>embarking on a redesign of the uIEC/SD, and now's a great time to add the IEEE 
>option.  I was able to find a nice source of IEEE connectors at a reasonable 
>price, and I found IEEE cables at an OK price ($13.00USD is not great, but it's 
>not USD$100.00, which is what I saw on some sites)
> > I used a atMega 1284p with 75160/75161 IEEE bus drivers, but the software 
>fits in a 644 at the moment and allows connecting the IEEE bus directly to the 
>AVR (tested with a XS-1541) -- though I wouldn't recommend that: it doesn't work 
>when all my IEEE hardware is connected.
> Yeah, I was not prepared to support a design that does not use bus drivers.  
>Too many failures on loaded busses.
> Jim
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Received on 2011-05-30 21:00:22

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