Z-89-11 Heath Board.

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norberto.collado koyado.com

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Dec 22, 2025, 7:56:14 PM12/22/25
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Lee,

Do you have the documentation for the Z-89-11 board? On the website, we can only find the schematic, X-RAY and a picture of such board that you provided a long time ago.

Thanks,
Norberto

Lee Hart

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Dec 31, 2025, 4:02:50 PM12/31/25
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Hi Norberto,

Yes, I have the complete manual for the Z-89-11 card, Heath #595-2772. In typical Heath fashion, there's a lot of paper. The manual itself is 28 pages, plus a 10-page appendix A on the National 8250, plus an 18-page appendix B on the Signetic 2661, and a 22-page appendix C on the Intel 8255. The appendices are just the data sheets for the respective parts. Then there are two loose sheets; one with the schematic, the other for the parallel printer cable pinouts.

I also have a couple of the cards (if I can find them after my move). I used one to interface to my Okidata u92 parallel printer in CP/M. As I recall, CP/M 2.204 included support for this card.

What do you need?




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norberto.collado koyado.com

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Jan 2, 2026, 10:52:44 PMJan 2
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We want to scan in pdf the Manual, the Schematics, and cable pinout. No need to scan the appendix as the information is already online for each IC.

 

Norberto

Lee Hart

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Jan 24, 2026, 1:55:30 PM (10 days ago) Jan 24
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I don't have a scanner. Is there someone I could send the manual to to be scanned? Note that in typical Heath fashion, some of the pages are pretty large!

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Dave McGuire

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Jan 24, 2026, 2:18:38 PM (10 days ago) Jan 24
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Lee, I can get the scanning crew at LSSM to handle that.

-Dave

On 1/24/26 13:55, Lee Hart wrote:
> I don't have a scanner. Is there someone I could send the manual to to
> be scanned? Note that in typical Heath fashion, some of the pages are
> pretty large!
>
> <https://www.avast.com/sig-email?
> utm_medium=email&utm_source=link&utm_campaign=sig-
> email&utm_content=webmail> Virus-free.www.avast.com <https://
> www.avast.com/sig-email?
> utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>
> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>
> On Fri, Jan 2, 2026 at 9:52 PM norberto.collado koyado.com <http://
> koyado.com> <norberto...@koyado.com
> <mailto:norberto...@koyado.com>> wrote:
>
> We want to scan in pdf the Manual, the Schematics, and cable pinout.
> No need to scan the appendix as the information is already online
> for each IC.____
>
> __ __
>
> Norberto____
>
> __ __
>
> *From:*se...@googlegroups.com <mailto:se...@googlegroups.com>
> <se...@googlegroups.com <mailto:se...@googlegroups.com>> *On Behalf
> Of *Lee Hart
> *Sent:* Wednesday, December 31, 2025 1:03 PM
> *To:* se...@googlegroups.com <mailto:se...@googlegroups.com>
> *Subject:* Re: [sebhc] Z-89-11 Heath Board.____
>
> __ __
>
> Hi Norberto,____
>
> __ __
>
> Yes, I have the complete manual for the Z-89-11 card, Heath
> #595-2772. In typical Heath fashion, there's a lot of paper. The
> manual itself is 28 pages, plus a 10-page appendix A on the National
> 8250, plus an 18-page appendix B on the Signetic 2661, and a 22-page
> appendix C on the Intel 8255. The appendices are just the data
> sheets for the respective parts. Then there are two loose sheets;
> one with the schematic, the other for the parallel printer cable
> pinouts.____
>
> __ __
>
> I also have a couple of the cards (if I can find them after my
> move). I used one to interface to my Okidata u92 parallel printer in
> CP/M. As I recall, CP/M 2.204 included support for this card.____
>
> __ __
>
> What do you need?____
>
> __ __
>
> __ __
>
> __ __
>
> __ __
>
> <https://www.avast.com/sig-email?
> utm_medium=email&utm_source=link&utm_campaign=sig-
> email&utm_content=webmail>____
>
>
>
> Virus-free.www.avast.com <https://www.avast.com/sig-email?
> utm_medium=email&utm_source=link&utm_campaign=sig-
> email&utm_content=webmail>____
>
> __ __
>
> On Mon, Dec 22, 2025 at 6:56 PM norberto.collado koyado.com <http://
> koyado.com> <norberto...@koyado.com
> <mailto:norberto...@koyado.com>> wrote:____
>
> Lee,____
>
> __ __
>
> Do you have the documentation for the Z-89-11 board? On the
> website, we can only find the schematic, X-RAY and a picture of
> such board that you provided a long time ago.____
>
> __ __
>
> Thanks,____
>
> Norberto____
>
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> SA3PR01MB79186ED22D8381B371FB61C8F7B5A%40SA3PR01MB7918.prod.exchangelabs.com <https://groups.google.com/d/msgid/sebhc/SA3PR01MB79186ED22D8381B371FB61C8F7B5A%40SA3PR01MB7918.prod.exchangelabs.com?utm_medium=email&utm_source=footer>.____
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Dave McGuire, AK4HZ
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norberto.collado koyado.com

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Jan 24, 2026, 3:44:36 PM (10 days ago) Jan 24
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Thanks, Dave, for your help to get all this information scanned.

Norberto

From: se...@googlegroups.com <se...@googlegroups.com> on behalf of Dave McGuire <mcg...@neurotica.com>
Date: Saturday, January 24, 2026 at 11:18 AM
To: se...@googlegroups.com <se...@googlegroups.com>, Lee Hart <electr...@gmail.com>
Subject: Re: [sebhc] Z-89-11 Heath Board.

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