SEBHC

Darrell Pelan and myself will be there along with Lee Hart and Dave Runkle. Joe On Wed, Sep 10, 2025,

Jeff Tranter has been posting a series of YouTube videos on the Heathkit H-89 computer. He is up to

I recall someone did a KiCAD pcb with the components facing to the right, like the H89 16KB expansion

Nice 600ma +5v and +12V regulators at $2.75 prices each. Norberto From: Pololu Updates <inbox@

I agree with Lee. There's a reason I have 3 different EPROM programmers, although I could get

Here is a better photo showing all connections. The 7 ribbons on the top of the video board connect

I did test with the 1.44M floppy and it worked fine. How ever the data transfer is still 256bytes per

Wow. That's a damn fine looking system. -Dave On 8/11/25 19:25, Mike Cassidy wrote: > I'm

Great! Good to see some options for the h89 crowd… Sent from my iPad On Jul 31, 2025, at 11:58 AM,

I recall encountering some weirdness with INIT failing on HDOS 3.02 but don't remember the

I'm glad she was able to highlight the Monty Python skit. It was difficult to show at the exhibit

Great work, Glenn. I hope to join the club soon! Darrell On Monday, July 21, 2025 at 8:59:36 PM UTC-4

Thanks Joe. You and Rick did great work here and the Dual CF provides a nice solution for many users.

Second drop of Jeff' H89 videos. Very professional and complete! Great work Jeff. The Heathkit

Very nicely done, Jeff. I enjoyed the entire video. Darrell On Friday, July 4, 2025 at 5:52:42 AM UTC

Congrats! That is great news! On Sat, Jun 28, 2025 at 4:19 PM Norby <norberto...@koyado.com

FYI “International Retro Computer Expo 2025” in 2 weeks, in western WV. Haven't seen too much

On Friday afternoon, June 27, a link to the Table Request Form will be posted to our website and the

I was referring the Teletype ASR 33 using the 20ma loop circuit on the H8-5 board. Get Outlook for

although painfully sloooooow. On 6/23/25 12:46 PM, Joseph Travis wrote: > That's very cool!

That is a beautiful bracket! 😊 From: se...@googlegroups.com <se...@googlegroups.com> on behalf

That would be perfect Mark! The ZTX-11 is an upgraded version that also has a serial port (which

This has happened before. Someone with an earthlink email account has done something that has

I'm planning to be there. Not exhibiting, just attending. On Monday, June 2, 2025 at 10:08:37 PM

Zenith's headquarters was in Schaumburg, where VCFMW is currently located. Joe On Fri, May 30,

Take out the H89 CF/RTC board and then type Go 020.000. You should get the following message on the

Yes, a great article. It perfectly describes why I still play with my vintage computers. I'm sure

Is anyone on the list planning on attending VCF SW? It's the weekend of June 20th-22nd. I'm

It was the images that did not work in his system. It work nicely on my system. I did spend too much

Some back story: Rick Davis based his HCFPART on a version of the Heath/Zenith PART.ABS which I