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So are you thinking about building a custom cabinet like Terry G did?
https://sebhc.github.io/sebhc/memberphotos.html
I never got to build the original boards. I purchased them in 2012 assembled and (mostly) working from Bill Loguidice when he chose to divest himself of the hobby (the boards were assembled by Jack Rubin in August 2011). I cleaned up a rusted chassis to house them in, and chose to go with a PC style power supply
https://photos.app.goo.gl/gUTwssYczRJxecfn2
“Rusty” is still my main development system though it now has the Rev. 2.6 CPU board, the new H37/67 controller, and real time clock and CPU speed control boards plus a USB board. I have the H17 board but no longer use it. The system runs rock solid!
I also still have my original H8 system (ca. 1981) which I’ve kept exactly as built. It also still runs! (8080; 48K RAM; H-8-4; dual H17 drives)
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I believe I have the GIDE interface chips (got them along with the original boards from Loguidice acquisition). If anyone wants to try that capability let me know and I can possibly hunt them down…
From: se...@googlegroups.com <se...@googlegroups.com> On Behalf Of Les Bird
Sent: Sunday, September 12, 2021 9:34 PM
To: SEBHC <se...@googlegroups.com>
Subject: Re: [sebhc] Torn between 2000 and 2020
John,
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There is a new Dual H8-IDE board coming soon. It only supports CP/M3 and Terry’s G. modified CP/M as well. No HDOS support.
More information here:
http://koyado.com/Heathkit/H8_DUAL_GIDE_Controller.html
Thanks,
Norberto
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On my proto boards I'm using the 74F646 and nice to know that you have in stock.
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On Sep 13, 2021, at 12:22 AM, Norberto Collado <norberto...@koyado.com> wrote:
To view this discussion on the web visit https://groups.google.com/d/msgid/sebhc/93DB0BD6-C138-4EED-BD4D-D9AD496A4EB7%40koyado.com.
There is a "v2" version of the "WizNet" (H8-SPI) in the works that adds 2 SD cards (one need not populate the WizNet/NVRAM if they don't want that functionality). I've got beta code on a branch for CP/M 3 and boot support for the Z80 V4 board.
Support for older CPU boards (small ROMs) is tricky due to lack of space (same issue for GIDE boot - some other boot supports needs to be removed).
To view this discussion on the web visit https://groups.google.com/d/msgid/sebhc/E606491A-89C8-4E7C-9608-35079EDD7DB4%40gmail.com.
Someone will need to develop a driver to boot HDOS 2.0, HDOS 3.0, and for Heath CP/M 2.04. The Z67-IDE+ controller supports all of them. I have the Z67-SD which is working but is not that stable. It seems that there is a timing issue I need to figure out. This board is using easy to find parts.
http://koyado.com/Heathkit/Z67-SDC.html
Norberto
From: "se...@googlegroups.com" <se...@googlegroups.com> on behalf of Glenn Roberts <glenn.f...@gmail.com>
Reply-To: "se...@googlegroups.com" <se...@googlegroups.com>
Date: Monday, September 13, 2021 at 3:09 AM
To: "se...@googlegroups.com" <se...@googlegroups.com>
Subject: Re: [sebhc] Torn between 2000 and 2020
Is there a reason the new dual IDE doesn’t support HDOS? Or is it just that nobody has yet developed a driver? As I recall, somewhere on the “to do” list is to make an SD Card-based storage board. Is that the eventual replacement for the IDE+? Then there was the recent discussion about emulating the IDE+ via an FPGA. Lots of irons in the fire!
To view this discussion on the web visit https://groups.google.com/d/msgid/sebhc/E606491A-89C8-4E7C-9608-35079EDD7DB4%40gmail.com.
Dave,
Can you send me a few of your pats to test them out at 10MHz on the H8 IDE controller?
Norberto
From: "se...@googlegroups.com" <se...@googlegroups.com> on behalf of Norberto Collado <norberto...@koyado.com>
Reply-To: "se...@googlegroups.com" <se...@googlegroups.com>
Date: Sunday, September 12, 2021 at 9:52 PM
To: "se...@googlegroups.com" <se...@googlegroups.com>
Subject: Re: [sebhc] Torn between 2000 and 2020
On my proto boards I'm using the 74F646 and nice to know that you have in stock.
To view this discussion on the web visit https://groups.google.com/d/msgid/sebhc/AFC43F6F-26E3-4254-BCF7-D3BD11B7FE15%40koyado.com.