SEBHC

My list is as follows: H8-UPI interface board S89-UPI interface board H19 - New IGC V2 with 512KB of

So I think you've got it mostly figured out. BC gets loaded with 003.376 (0x03FE) and the copy

We want to scan in pdf the Manual, the Schematics, and cable pinout. No need to scan the appendix as

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,

Hey Paul, no my emulator does not have any keyclick audio with it. Les On Wednesday, November 5, 2025

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

I agree qbone would probably be the next logical piece to add, if I choose to go further down the

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

You could use a rotary encoder to control the stepper in order to spin the cookie to clock the index

Did you check the Transistors under the black covers? One of those went bad for me (one on the left

I think the person to talk with is Mark Garlanger aka Heathkit Collector on discord. He created the