[vcf-midatlantic] Heathkit H8

Dave McGuire mcguire at neurotica.com
Tue Jan 26 03:47:04 UTC 2021

On 1/25/21 10:27 PM, Mike Loewen via vcf-midatlantic wrote:
>     Some weeks ago, I pulled out my Heathkit H19 monitor to connect to 
> my H8, and the H19 promptly blew a fuse (and other nasty things). I 
> finally got the last parts in today to fix it, and the H8 is up and 
> running CP/M 2.2.04 from a Z87 dual-drive unit.
> http://q7.neurotica.com/Oldtech/Heathkit/H8/H19H8-2L.jpg
>     The H8 only has two boards installed: the H17 hard-sectored floppy 
> controller, and a Z80 board from a recent Norberto Collado design. The 
> Z80 board has 64KB of RAM, two serial ports and a real-time clock. 
> Here's the design:
> http://koyado.com/Heathkit/H8-Z80-64K-RTC-ORG0-V3.html
>     Norberto also has a new storage controller design, to replace the 
> H37 (soft-sector), H17 (hard-sector) and H67 (hard drive) controllers, 
> plus a USB interface. I have the PCBs, and am waiting for some final 
> testing before ordering parts.

   Very nice!  I have one of Norberto's V3 boards as well, but I've not 
yet built it out.  My personal H8 is currently running with its original 
Heath 8080 CPU board.


Dave McGuire, AK4HZ
New Kensington, PA

More information about the vcf-midatlantic mailing list