SEBHC

That is correct! That is my target date to complete such board into production. Why? Because it is my

I ordered some PC8477BV-1 floppy controller and I think it will be a great addition to the H8 Floppy

On the Z180 board performance, I asked Terry G. for his help in getting the Z180 running at max speed

If there is interest in going forward with a NEC V20 CPU board design, I do have several 10 MHz NEC

Z80 is what I'm using it with. Depends on your definition of "fine". :) It'll boot

Actually Google says there are a couple (non EBay) vendors still offering (or at least listing) the

i replaced the video ram (U467-470) and as far as i can tell, that fixed it! i'll have to get my

I received today these two CF and SD card carrier to check with the Z67-DE+ to add more useful lie o

Fwiw memory test can tell you much more than bad ram chips. A single byte error is most commonly a

It was a bad request as it will need a board layout. Continue as planned. 👍 Get Outlook for iOS From:

T SID and SOD are not that useful for general purpose I/O; but they are a great way to add

I just abhor that method, and have never learned it. Since I "grew up" using MMS CP/M, it

I found the adapter, but the chips are missing. I'll look for the hand-drawn schematic. My

We made some boards for the H8 during the time the IBM PC market was ramping up. We sold maybe 200 as

wikipedia reference is interesting - it has a few errors in it but makes no reference at all to the

any pictures of your colossal "cave" of equipment? Several members of our group also

Yes! That's where I got it. I thought I sent this privately... Sorry. Darrell On Wednesday, March

I know with craigslist, referring to something as "the item" is often an indicator of a

Yes on my website… http://koyado.com/Heathkit/H19C_Terminal.html Norby From: se...@googlegroups.com

Awesome Troy. It's relatively rare that we ever hear what happens to the H8s we see sell on eBay.

I agree with Douglas that the H8 bus is more tuned to the 8080A design. I noticed that my H8 runs

On Friday, March 17, 2023 at 9:08:17 PM UTC-5 Scott Campbell wrote: They're done! Thanks for your

Hi Scott, I believe the character generator ROM is P/N 444-29. I have some in my inventory. I 'll

Odds are high, it's the most stressed component from plugging and unplugging ;-) Randy On

Thanks for your help, Doug! I was able to compile and run the hello.c program. Apparently, I used a

Hello Douglas, How hard will be to develop a simple program that does the following? H47RD.SYS ;Reads

Or not. Maybe just the label is big. Either way no prob…. Sent from my iPad Begin forwarded message:

Alright, V2DIP1-48 modules tested and working. Thanks again for the firmware! Scott On Tuesday, 14

Hey Terry, Is the pc board for the power supply mod that Norberto is showing here available? I have

The h8 front panel went dark when Heathkit implemented Org 0. The front panel is implemented in ROM