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Glyn Firth
, …
norberto.collado koyado.com
3
Feb 3
H8-Z80-64K-Duart Rev 4.0 board
The issue is that he is using the 16C25550. The Interrupts are not compatible with HDOS 2.0/HDOS 3.0
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H8-Z80-64K-Duart Rev 4.0 board
The issue is that he is using the 16C25550. The Interrupts are not compatible with HDOS 2.0/HDOS 3.0
Feb 3
glenn.f...@gmail.com
, …
Todd Goodman
14
Feb 2
First build of Terry's H19 keyboard
I am slowly pulling together Terry's materials to create a Github repository, to be located here:
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First build of Terry's H19 keyboard
I am slowly pulling together Terry's materials to create a Github repository, to be located here:
Feb 2
glenn.f...@gmail.com
,
norberto.collado koyado.com
5
Jan 25
Rev 4 CPU board only works with on-board RAM
Thanks Norberto! I'll keep investigating… Sent from my iPad On Jan 24, 2025, at 11:37 PM,
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Rev 4 CPU board only works with on-board RAM
Thanks Norberto! I'll keep investigating… Sent from my iPad On Jan 24, 2025, at 11:37 PM,
Jan 25
pel...@gmail.com
Jan 22
RE: [sebhc] Digest for sebhc@googlegroups.com - 3 updates in 1 topic
Thanks Glenn and Norberto! Hopefully it helps someone going forward. From: se...@googlegroups.com
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RE: [sebhc] Digest for sebhc@googlegroups.com - 3 updates in 1 topic
Thanks Glenn and Norberto! Hopefully it helps someone going forward. From: se...@googlegroups.com
Jan 22
Darrell Pelan
, …
Mark Garlanger
4
Jan 22
H89 Troubleshooting Documentation
Thanks for documenting all of that. I will need to study it and see if I can get some of my dead H89s
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H89 Troubleshooting Documentation
Thanks for documenting all of that. I will need to study it and see if I can get some of my dead H89s
Jan 22
Paul Cushing
, …
Joseph Travis
5
Jan 19
H19-A Keyboard Ribbon Cable replacement
Well, things got MUCH better after I removed the keyboard and cleaned the male pins with a toothbrush
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H19-A Keyboard Ribbon Cable replacement
Well, things got MUCH better after I removed the keyboard and cleaned the male pins with a toothbrush
Jan 19
Jeff Tranter
, …
Joseph Travis
6
Jan 15
Heathkit H89/H19 Automatic Key Repeat Board
The cool thing about the circuit that Jeff chose is that it inserts inline with the keyboard, uses
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Heathkit H89/H19 Automatic Key Repeat Board
The cool thing about the circuit that Jeff chose is that it inserts inline with the keyboard, uses
Jan 15
norberto.collado koyado.com
, …
Eric Mack
36
Jan 13
Enabling Eric Mack H8 system!
Thank you, Norberto, for your expertise and for chasing down the issues. Hopefully, your experience
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Enabling Eric Mack H8 system!
Thank you, Norberto, for your expertise and for chasing down the issues. Hopefully, your experience
Jan 13
Scott Miskiv
, …
Joseph Travis
11
Jan 13
H19 Tube color information
Scott, For H19s / H89s, one way to tell the difference is the face of the CRT. A white CRT will have
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H19 Tube color information
Scott, For H19s / H89s, one way to tell the difference is the face of the CRT. A white CRT will have
Jan 13
G. Beat
Jan 13
2025 VCF Midwest Announcement
VCF Midwest 20 (wow, twenty!) will be held September 13th and 14th, 2025, once again at the
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2025 VCF Midwest Announcement
VCF Midwest 20 (wow, twenty!) will be held September 13th and 14th, 2025, once again at the
Jan 13
Terry Smedley
, …
glenn.f...@gmail.com
5
Jan 12
Microcontroller keyboard encoder for H9 and H19
So it was quite a pleasure collaborating with Terry on this work. He was quite patient with the “idea
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Microcontroller keyboard encoder for H9 and H19
So it was quite a pleasure collaborating with Terry on this work. He was quite patient with the “idea
Jan 12
Scott Miskiv
, …
Joseph Travis
17
Jan 9
H19 Keyboard Compatibility (1878 vs 1981)
I apologize for the tone of my previous response. It wasn't my intention to come off that way.
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H19 Keyboard Compatibility (1878 vs 1981)
I apologize for the tone of my previous response. It wasn't my intention to come off that way.
Jan 9
Randy E (OoMOR)
,
glenn.f...@gmail.com
4
Jan 9
Connector part#s and sources?
Here's a Molex 15-connection right-angle female connector that I believe is what you're
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Connector part#s and sources?
Here's a Molex 15-connection right-angle female connector that I believe is what you're
Jan 9
Marvin Johnson
, …
Mark Garlanger
20
Jan 9
My first H89 with Micronex Video Board - need info
Can you take detailed photos of the connections before you remove the board? It would be interesting
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My first H89 with Micronex Video Board - need info
Can you take detailed photos of the connections before you remove the board? It would be interesting
Jan 9
Les Bird
, …
Randy E (OoMOR)
9
Jan 2
My Tindie Store Is Live
Randy, I just updated the descriptions for each board and put a link to the BOM at the top of the
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My Tindie Store Is Live
Randy, I just updated the descriptions for each board and put a link to the BOM at the top of the
Jan 2
Yin
, …
Glenn Roberts
8
12/18/24
H-89 questions
Awesome! Great board! Sent from my iPad On Dec 18, 2024, at 8:43 PM, norberto.collado koyado.com <
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H-89 questions
Awesome! Great board! Sent from my iPad On Dec 18, 2024, at 8:43 PM, norberto.collado koyado.com <
12/18/24
Steven Hirsch
,
Glenn Roberts
3
12/18/24
H89 Tantrum...
On 12/18/24 13:12, Glenn Roberts wrote: > The only ones I've ever seen go are the ones on the
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H89 Tantrum...
On 12/18/24 13:12, Glenn Roberts wrote: > The only ones I've ever seen go are the ones on the
12/18/24
Lee Hart
, …
glenn.f...@gmail.com
9
12/10/24
On the subject of H/Z binders
I think we're pretty organized on the 8-bit manuals but a bit disorganized/under-represented on
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On the subject of H/Z binders
I think we're pretty organized on the 8-bit manuals but a bit disorganized/under-represented on
12/10/24
steve shumaker
, …
glenn.f...@gmail.com
7
12/8/24
New EBAY item
Those Z100 (full size) binders would fill a bookshelf. I lugged boxes of them around for years (until
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New EBAY item
Those Z100 (full size) binders would fill a bookshelf. I lugged boxes of them around for years (until
12/8/24
Steven Hirsch
12/4/24
Anyone near Mt. Vernon, OH?
I've been working with Joe Strosnider of "Joe's Computer Museum" to get his
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Anyone near Mt. Vernon, OH?
I've been working with Joe Strosnider of "Joe's Computer Museum" to get his
12/4/24
Tim R
, …
Joseph Travis
38
12/4/24
H17 Refurb progress
Excellent! On Wed, Dec 4, 2024, 12:03 AM tim primal-bits.com <t...@primal-bits.com> wrote: Joe,
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H17 Refurb progress
Excellent! On Wed, Dec 4, 2024, 12:03 AM tim primal-bits.com <t...@primal-bits.com> wrote: Joe,
12/4/24
Darrell Pelan
, …
Randy E (OoMOR)
12
12/2/24
3D H-8 Case close to completion
No. I didn't share the $600 cost estimate earlier. I figured no one would be interested. You
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3D H-8 Case close to completion
No. I didn't share the $600 cost estimate earlier. I figured no one would be interested. You
12/2/24
Glenn Roberts
11/27/24
Fwd: Pololu Robotics Black Friday Sale - up to 50% off 1400+ robots, motors, regulators, and more!
Usually a good time to stock up on regulators or other parts from Pololu… Sent from my iPad Begin
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Fwd: Pololu Robotics Black Friday Sale - up to 50% off 1400+ robots, motors, regulators, and more!
Usually a good time to stock up on regulators or other parts from Pololu… Sent from my iPad Begin
11/27/24
Thomas Riesen
,
glenn.f...@gmail.com
8
11/26/24
Configuration for the Serial I/O board
Ok so this may be a bit wordy…. When the H8-5 board came out (1977) the accompanying terminal would
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Configuration for the Serial I/O board
Ok so this may be a bit wordy…. When the H8-5 board came out (1977) the accompanying terminal would
11/26/24
glenn.f...@gmail.com
, …
norberto.collado koyado.com
38
11/26/24
Using H8-Z5-4 Serial to load and save
Right. I've disabled the 8250. I'm going to park all this for now. Spent too much time and
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Using H8-Z5-4 Serial to load and save
Right. I've disabled the 8250. I'm going to park all this for now. Spent too much time and
11/26/24
Thomas Riesen
, …
glenn.f...@gmail.com
18
11/23/24
ROM settings on the 85-1938-1 CPU board
So I forget if this is a pre-existing setup? Did you start with a machine that already had the XCON-8
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ROM settings on the 85-1938-1 CPU board
So I forget if this is a pre-existing setup? Did you start with a machine that already had the XCON-8
11/23/24
Thomas Riesen
, …
glenn.f...@gmail.com
9
11/20/24
Manual available for thr Godbout Econoram VI?
The H-8-5 serial board is really quite nice. Years ago I was only familiar with the H-8-4 (quad 8250
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Manual available for thr Godbout Econoram VI?
The H-8-5 serial board is really quite nice. Years ago I was only familiar with the H-8-4 (quad 8250
11/20/24
Thomas Riesen
,
glenn.f...@gmail.com
6
11/17/24
Beginner questioms
Fantastic! Maybe post some pictures. I forget if you have a way (other than front panel keypad) to
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Beginner questioms
Fantastic! Maybe post some pictures. I forget if you have a way (other than front panel keypad) to
11/17/24
glenn.f...@gmail.com
, …
Tim R
36
11/13/24
Second H9 restore
Tx. I may need to scope mine to see what's going on. From: se...@googlegroups.com <sebhc@
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Second H9 restore
Tx. I may need to scope mine to see what's going on. From: se...@googlegroups.com <sebhc@
11/13/24
Dirk Prins
,
glenn.f...@gmail.com
2
11/9/24
CP/M boot code
Nice work Dirk…! From: se...@googlegroups.com <se...@googlegroups.com> On Behalf Of Dirk Prins
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CP/M boot code
Nice work Dirk…! From: se...@googlegroups.com <se...@googlegroups.com> On Behalf Of Dirk Prins
11/9/24