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Glenn Roberts
Jul 12
Jeff’s H89 video series, part II
Second drop of Jeff' H89 videos. Very professional and complete! Great work Jeff. The Heathkit
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Jeff’s H89 video series, part II
Second drop of Jeff' H89 videos. Very professional and complete! Great work Jeff. The Heathkit
Jul 12
glenn.f...@gmail.com
Jul 7
Dual CF Firmware Instructions
I've been working with Mike Cassidy to flesh out the assembly instructions for the H8 Dual CF
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Dual CF Firmware Instructions
I've been working with Mike Cassidy to flesh out the assembly instructions for the H8 Dual CF
Jul 7
Glenn Roberts
, …
Darrell Pelan
4
Jul 4
H89 history video
Very nicely done, Jeff. I enjoyed the entire video. Darrell On Friday, July 4, 2025 at 5:52:42 AM UTC
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H89 history video
Very nicely done, Jeff. I enjoyed the entire video. Darrell On Friday, July 4, 2025 at 5:52:42 AM UTC
Jul 4
Norberto Collado
, …
Joseph Travis
10
Jun 28
H8 Computer booting CP/M over the Internet!
Congrats! That is great news! On Sat, Jun 28, 2025 at 4:19 PM Norby <norberto...@koyado.com
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H8 Computer booting CP/M over the Internet!
Congrats! That is great news! On Sat, Jun 28, 2025 at 4:19 PM Norby <norberto...@koyado.com
Jun 28
glenn.f...@gmail.com
Jun 28
International Retro Computer Expo 2025
FYI “International Retro Computer Expo 2025” in 2 weeks, in western WV. Haven't seen too much
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International Retro Computer Expo 2025
FYI “International Retro Computer Expo 2025” in 2 weeks, in western WV. Haven't seen too much
Jun 28
G. Beat
2
Jun 26
VCF Midwest 20 Pre-Tabling Announcement
On Friday afternoon, June 27, a link to the Table Request Form will be posted to our website and the
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VCF Midwest 20 Pre-Tabling Announcement
On Friday afternoon, June 27, a link to the Table Request Form will be posted to our website and the
Jun 26
Mike Cassidy
, …
norberto.collado koyado.com
36
Jun 26
H-8 one remaining bug to resolve - multiple tone when starting cold
I was referring the Teletype ASR 33 using the 20ma loop circuit on the H8-5 board. Get Outlook for
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H-8 one remaining bug to resolve - multiple tone when starting cold
I was referring the Teletype ASR 33 using the 20ma loop circuit on the H8-5 board. Get Outlook for
Jun 26
Glenn Roberts
, …
steve shumaker
4
Jun 23
Punch
although painfully sloooooow. On 6/23/25 12:46 PM, Joseph Travis wrote: > That's very cool!
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Punch
although painfully sloooooow. On 6/23/25 12:46 PM, Joseph Travis wrote: > That's very cool!
Jun 23
norberto.collado koyado.com
, …
Joe Travis N6YPC
29
Jun 16
NC Super89 Baseboard!
That is a beautiful bracket! 😊 From: se...@googlegroups.com <se...@googlegroups.com> on behalf
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NC Super89 Baseboard!
That is a beautiful bracket! 😊 From: se...@googlegroups.com <se...@googlegroups.com> on behalf
Jun 16
Joseph Travis
, …
glenn.f...@gmail.com
6
Jun 14
ZTX-1 schematics / docs?
That would be perfect Mark! The ZTX-11 is an upgraded version that also has a serial port (which
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ZTX-1 schematics / docs?
That would be perfect Mark! The ZTX-11 is an upgraded version that also has a serial port (which
Jun 14
Eric Rothfus
, …
Mark Garlanger
26
Jun 10
Selling My H8 Collection :-(
This has happened before. Someone with an earthlink email account has done something that has
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Selling My H8 Collection :-(
This has happened before. Someone with an earthlink email account has done something that has
Jun 10
Mark Garlanger
, …
J.B. Langston
6
Jun 5
VCF SW
I'm planning to be there. Not exhibiting, just attending. On Monday, June 2, 2025 at 10:08:37 PM
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VCF SW
I'm planning to be there. Not exhibiting, just attending. On Monday, June 2, 2025 at 10:08:37 PM
Jun 5
G. Beat
, …
Joseph Travis
4
May 30
VCF Midwest : Talk Proposals
Zenith's headquarters was in Schaumburg, where VCFMW is currently located. Joe On Fri, May 30,
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VCF Midwest : Talk Proposals
Zenith's headquarters was in Schaumburg, where VCFMW is currently located. Joe On Fri, May 30,
May 30
David Luna
, …
norberto.collado koyado.com
27
May 30
Older docs for H89 CF RTC board
Take out the H89 CF/RTC board and then type Go 020.000. You should get the following message on the
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Older docs for H89 CF RTC board
Take out the H89 CF/RTC board and then type Go 020.000. You should get the following message on the
May 30
glenn.f...@gmail.com
, …
Lee Hart
3
May 29
why old tech is new again
Yes, a great article. It perfectly describes why I still play with my vintage computers. I'm sure
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why old tech is new again
Yes, a great article. It perfectly describes why I still play with my vintage computers. I'm sure
May 29
Mark Garlanger
May 21
VCFSW
Is anyone on the list planning on attending VCF SW? It's the weekend of June 20th-22nd. I'm
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VCFSW
Is anyone on the list planning on attending VCF SW? It's the weekend of June 20th-22nd. I'm
May 21
Eric Mack
, …
norberto.collado koyado.com
6
May 21
in 1980, an H8 with five 16-megabyte hard drives would have been unimaginable
It was the images that did not work in his system. It work nicely on my system. I did spend too much
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in 1980, an H8 with five 16-megabyte hard drives would have been unimaginable
It was the images that did not work in his system. It work nicely on my system. I did spend too much
May 21
Eric Mack
, …
glenn.f...@gmail.com
4
May 19
Are there disk utilities & documentation for the H8 Dual CF Card?
Some back story: Rick Davis based his HCFPART on a version of the Heath/Zenith PART.ABS which I
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Are there disk utilities & documentation for the H8 Dual CF Card?
Some back story: Rick Davis based his HCFPART on a version of the Heath/Zenith PART.ABS which I
May 19
Eric Mack
, …
Joseph Travis
4
May 18
I was able to transfer a file to/from H8 CP/M over the serial port with PCPUT.COM and PCGET.COM
If you ever need to get a binary file image to another CP/M system that doesn't have a terminal /
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I was able to transfer a file to/from H8 CP/M over the serial port with PCPUT.COM and PCGET.COM
If you ever need to get a binary file image to another CP/M system that doesn't have a terminal /
May 18
Eric Mack
, …
Joseph Travis
3
May 18
Norberto, your dual CF card for the H8 works too well
The ION LED on the H8 front panel is a good indicator of disk activity for the dual CF board(s). Joe
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Norberto, your dual CF card for the H8 works too well
The ION LED on the H8 front panel is a good indicator of disk activity for the dual CF board(s). Joe
May 18
Eric Mack
,
Randy E (OoMOR)
2
May 18
Deramp.com has a library of Floppy drive info and service guides
Mike is a good source of information. On Sunday, May 18, 2025 at 1:44:34 PM UTC-7 eric.mack wrote:
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Deramp.com has a library of Floppy drive info and service guides
Mike is a good source of information. On Sunday, May 18, 2025 at 1:44:34 PM UTC-7 eric.mack wrote:
May 18
Eric Mack
, …
norberto.collado koyado.com
13
May 18
Looking for refresher on Heathkit H8-4 Serial Ports and common usage
The last time I email Ken (years ago), he was having difficult with his eyes. It was hard to see at
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Looking for refresher on Heathkit H8-4 Serial Ports and common usage
The last time I email Ken (years ago), he was having difficult with his eyes. It was hard to see at
May 18
Eric Mack
,
Joseph Travis
2
May 16
The Rise and Fall of Heathkit
It's a good read however, Part 3 - The Microcomputer Era is rather disappointing as it lacks a
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The Rise and Fall of Heathkit
It's a good read however, Part 3 - The Microcomputer Era is rather disappointing as it lacks a
May 16
John Crane
,
Eric Mack
3
May 15
Re: [sebhc] Digest for sebhc@googlegroups.com - 10 updates in 2 topics
Thank you, John, Glenn, Joe and others. I think I will use the serial port option until I have
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Re: [sebhc] Digest for sebhc@googlegroups.com - 10 updates in 2 topics
Thank you, John, Glenn, Joe and others. I think I will use the serial port option until I have
May 15
Mike Cassidy
, …
norberto.collado koyado.com
6
May 14
H8 - 64K Memory expansion
I do have one board left that it replaces the board that you ordered: https://koyado.com/heathkit/New
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H8 - 64K Memory expansion
I do have one board left that it replaces the board that you ordered: https://koyado.com/heathkit/New
May 14
Eric Mack
, …
glenn.f...@gmail.com
10
May 13
Looking for solution to transfer files between H8 and PC
So while GoTek uses USB sticks in a totally different way than the VDIP module, you can make use of
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Looking for solution to transfer files between H8 and PC
So while GoTek uses USB sticks in a totally different way than the VDIP module, you can make use of
May 13
norberto.collado koyado.com
May 11
H8 8080A CPU card setup to boot from the H37 floppy controller
All, Refer to attached file. Norberto
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H8 8080A CPU card setup to boot from the H37 floppy controller
All, Refer to attached file. Norberto
May 11
steve shumaker
,
Lee Hart
2
May 1
another one closes the doors
Yes. It's sad to see them go. They were one of the "good guys". Their website says 40%
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another one closes the doors
Yes. It's sad to see them go. They were one of the "good guys". Their website says 40%
May 1
Tim R
, …
Joseph Travis
52
May 1
H17 Refurb progress
Nicely done! Very comprehensive. I took the liberty of posting the video on fb. On Thu, May 1, 2025,
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H17 Refurb progress
Nicely done! Very comprehensive. I took the liberty of posting the video on fb. On Thu, May 1, 2025,
May 1
glenn.f...@gmail.com
, …
Tim R
5
May 1
keypad backlighting on the original "Les Bird" front panel
Rectangular box cabinets are certainly easier to make than the more elegant sloping front of the
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keypad backlighting on the original "Les Bird" front panel
Rectangular box cabinets are certainly easier to make than the more elegant sloping front of the
May 1