SEBHC

Thank you Jeff! I'm glad you were able to attend the inaugural event. I would have like to go as

Nice, I gave up trying to find an H11 and bought the next best thing, a PDP-11/03 which from my

Perhaps, they are images for the Z37 controller. Get Outlook for iOS From: se...@googlegroups.com

Thanks, Dave, for your help to get all this information scanned. Norberto From: sebhc@googlegroups.

All, I just want to thank all the team members that have donated money via PayPal to support my

Les, is there any documentation for this emulator, specificaly the H89 simulator? Thank You Paul

No, it is not on the website. I started with the H89 schematics using the H8 board format because it

So the SEBHC google group grew out of the earlier SEBHC list which started almost 19 years ago. Mark

You certainly have had a good “education” looking at this code (and the Forth companion piece).

Are We Doing This Again? Hello Vintage Computer Lovers, We most certainly are doing VCF Midwest again

Github shows it's been about 10 years since I created the repo, but it wasn't forked, Bruce

Using any of the old programs (SQ, ARC, LU, PACK, etc.) from back in the day. This program was

i want to attend but its a 12hr drive just to an airport sigh On Fri, Dec 19, 2025 at 7:06 PM Jeff

This was fun (watch for the H11/H10/H8 in the background 😊 ) -----Original Message----- From: vcf-

The silver oxide is conductive but not as conductive as the original silver plating. Fortunately it

Wow, that is one to be useful for, the H80 series. Get Outlook for iOS From: se...@googlegroups.com

Hey Darrell, This wasn't you, it's related to someone's earthlink email account doing

Oops I mean 2532 … From: Glenn Roberts <glenn.f...@gmail.com> Sent: Sunday, December 7,

Added additional links at: https://koyado.com/heathkit/New-H8-Website/h8-h89-pcb-s.html I still need

Thanks Mark and a great monitor! Norberto From: se...@googlegroups.com <se...@googlegroups.com>

Well this Google group list is all still on line and searchable https://groups.google.com/g/sebhc

The new WD2797 works fine on the Heath H89-H37 Board . Same pins except for a few ones for circuit

On Fri, Nov 7, 2025 at 4:11 PM B 9 <hack...@gmail.com> wrote: The HDOS disk is probably fine.

DIU is focused on disk image management and does not include the H89 emulator in the H8D utility. It

Sure, not hurry, but wow, those are cool keyboards. From: se...@googlegroups.com <sebhc@

I love it Lee! A great parody and story! Each Halloween I wonder what new ideas you come up with. I

I hope they do work to order some spares. Get Outlook for iOS From: se...@googlegroups.com <sebhc@

Since we have some new members who have little familiarity with Heath computers, I thought I'd

One shorted transistor and one blown transistor in the 53V regulator circuit. i removed all four to

I see it too, but not sure what is causing the issue 🤔 On Sat, Oct 18, 2025 at 6:30 PM Joseph Travis