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devel / comp.os.cpm / Re: Digital Group HAM board?

SubjectAuthor
* Digital Group HAM board?John Crane
+- Re: Digital Group HAM board?Dennis Boone
`* Re: Digital Group HAM board?Dennis Boone
 `- Re: Digital Group HAM board?John Crane

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Digital Group HAM board?

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From: john_crane_59@yahoo.com (John Crane)
Subject: Digital Group HAM board?
Date: Mon, 5 Feb 2024 22:00:47 -0600
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 by: John Crane - Tue, 6 Feb 2024 04:00 UTC

Though not technically CP/M; I recently acquired a HAM board for my Z-80
digital group system. Excellent condition, but I can't find any docs
for it. Can someone point me in the right direction?

Thanks,

-J

Re: Digital Group HAM board?

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From: drb@ihatespam.msu.edu (Dennis Boone)
Subject: Re: Digital Group HAM board?
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 by: Dennis Boone - Tue, 6 Feb 2024 15:16 UTC

> Though not technically CP/M; I recently acquired a HAM board for my Z-80
> digital group system. Excellent condition, but I can't find any docs
> for it. Can someone point me in the right direction?

Would be neat to see photos!

De

Re: Digital Group HAM board?

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Subject: Re: Digital Group HAM board?
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 by: Dennis Boone - Tue, 6 Feb 2024 15:23 UTC

> Though not technically CP/M; I recently acquired a HAM board for my Z-80
> digital group system. Excellent condition, but I can't find any docs
> for it. Can someone point me in the right direction?

Herb Johnson appears to have a paper manual:

https://www.retrotechnology.com/restore/digital_crompton.txt

De

Re: Digital Group HAM board?

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Subject: Re: Digital Group HAM board?
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From: john_crane_59@yahoo.com (John Crane)
Date: Tue, 6 Feb 2024 11:11:25 -0600
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 by: John Crane - Tue, 6 Feb 2024 17:11 UTC

On 2/6/24 9:23 AM, Dennis Boone wrote:
> > Though not technically CP/M; I recently acquired a HAM board for my Z-80
> > digital group system. Excellent condition, but I can't find any docs
> > for it. Can someone point me in the right direction?
>
> Herb Johnson appears to have a paper manual:
>
> https://www.retrotechnology.com/restore/digital_crompton.txt
>
> De
>

Hard to tell if it's really a DG manual or something else.
Hard to tell much of anything on that site.
I do know other manufacturers were making Ham interface cards at the time.

I recall I did buy some manuals from Herb in the past (maybe late 20th
century) before I went all digital. Nice to see he's still around.

Overall, the DG system is progressing nicely.
I have the quad Phi-Deck, the Vortrax, and now the Ham card.
And the nice metal cases too, clean and unmarked.

-J

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