[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

-- 
Dave McGuire, AK4HZ
New Kensington, PA


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