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Todd Goodman
, …
norberto.collado koyado.com
6
10:16 PM
H8 Z180, H8 8080A, and Soon H8 H17 Full Length Controller Boards Available
That is correct! That is my target date to complete such board into production. Why? Because it is my
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H8 Z180, H8 8080A, and Soon H8 H17 Full Length Controller Boards Available
That is correct! That is my target date to complete such board into production. Why? Because it is my
10:16 PM
norberto.collado koyado.com
1:36 PM
PC8477BV Floppy Controller!
I ordered some PC8477BV-1 floppy controller and I think it will be a great addition to the H8 Floppy
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PC8477BV Floppy Controller!
I ordered some PC8477BV-1 floppy controller and I think it will be a great addition to the H8 Floppy
1:36 PM
Joe Travis N6YPC
, …
norberto.collado koyado.com
193
12:55 PM
High Speed H8 Dual CF Board v2.0 update...
On the Z180 board performance, I asked Terry G. for his help in getting the Z180 running at max speed
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High Speed H8 Dual CF Board v2.0 update...
On the Z180 board performance, I asked Terry G. for his help in getting the Z180 running at max speed
12:55 PM
Joe Travis N6YPC
10:12 AM
NEC V20 availability...
If there is interest in going forward with a NEC V20 CPU board design, I do have several 10 MHz NEC
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NEC V20 availability...
If there is interest in going forward with a NEC V20 CPU board design, I do have several 10 MHz NEC
10:12 AM
smb...@gmail.com
, …
norberto.collado koyado.com
37
Mar 26
h8-64k-dram
Z80 is what I'm using it with. Depends on your definition of "fine". :) It'll boot
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h8-64k-dram
Z80 is what I'm using it with. Depends on your definition of "fine". :) It'll boot
Mar 26
norberto.collado koyado.com
, …
steve shumaker
16
Mar 26
8085A CPU!
Actually Google says there are a couple (non EBay) vendors still offering (or at least listing) the
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8085A CPU!
Actually Google says there are a couple (non EBay) vendors still offering (or at least listing) the
Mar 26
Rusty Shackleford
, …
Lee Hart
7
Mar 26
H19 scrambled text on screen
i replaced the video ram (U467-470) and as far as i can tell, that fixed it! i'll have to get my
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H19 scrambled text on screen
i replaced the video ram (U467-470) and as far as i can tell, that fixed it! i'll have to get my
Mar 26
Scott Campbell
, …
norberto.collado koyado.com
23
Mar 25
Et voila!
I received today these two CF and SD card carrier to check with the Z67-DE+ to add more useful lie o
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Et voila!
I received today these two CF and SD card carrier to check with the Z67-DE+ to add more useful lie o
Mar 25
smb...@gmail.com
, …
rand...@hotmail.com
7
Mar 25
memory test
Fwiw memory test can tell you much more than bad ram chips. A single byte error is most commonly a
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memory test
Fwiw memory test can tell you much more than bad ram chips. A single byte error is most commonly a
Mar 25
Dan Emrick
,
norberto.collado koyado.com
9
Mar 25
Adding floppies
It was a bad request as it will need a board layout. Continue as planned. 👍 Get Outlook for iOS From:
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Adding floppies
It was a bad request as it will need a board layout. Continue as planned. 👍 Get Outlook for iOS From:
Mar 25
smb...@gmail.com
, …
Lee Hart
18
Mar 25
H8-8085 CPU Board
T SID and SOD are not that useful for general purpose I/O; but they are a great way to add
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H8-8085 CPU Board
T SID and SOD are not that useful for general purpose I/O; but they are a great way to add
Mar 25
Douglas Miller
, …
Alex - K3CIM
9
Mar 25
Looking for a Heath CP/M H67 image to use
I just abhor that method, and have never learned it. Since I "grew up" using MMS CP/M, it
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Looking for a Heath CP/M H67 image to use
I just abhor that method, and have never learned it. Since I "grew up" using MMS CP/M, it
Mar 25
cole erskine
, …
Dan Emrick
22
Mar 23
H-17 dual floppy and controller board?
I found the adapter, but the chips are missing. I'll look for the hand-drawn schematic. My
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H-17 dual floppy and controller board?
I found the adapter, but the chips are missing. I'll look for the hand-drawn schematic. My
Mar 23
Glenn Roberts
, …
norberto.collado koyado.com
40
Mar 22
H8 supply and demand
We made some boards for the H8 during the time the IBM PC market was ramping up. We sold maybe 200 as
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H8 supply and demand
We made some boards for the H8 during the time the IBM PC market was ramping up. We sold maybe 200 as
Mar 22
Darrell Pelan
, …
steve shumaker
6
Mar 22
Disk Image Utility and HDOS
wikipedia reference is interesting - it has a few errors in it but makes no reference at all to the
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Disk Image Utility and HDOS
wikipedia reference is interesting - it has a few errors in it but makes no reference at all to the
Mar 22
Les Bird
, …
glenn.f...@gmail.com
10
Mar 22
Home Computer Museum barn find - WOW!
any pictures of your colossal "cave" of equipment? Several members of our group also
unread,
Home Computer Museum barn find - WOW!
any pictures of your colossal "cave" of equipment? Several members of our group also
Mar 22
Darrell Pelan
, …
norberto.collado koyado.com
11
Mar 22
HDOS Configur
Yes! That's where I got it. I thought I sent this privately... Sorry. Darrell On Wednesday, March
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HDOS Configur
Yes! That's where I got it. I thought I sent this privately... Sorry. Darrell On Wednesday, March
Mar 22
Tom Wilson
, …
smb...@gmail.com
9
Mar 21
Who wants it?
I know with craigslist, referring to something as "the item" is often an indicator of a
unread,
Who wants it?
I know with craigslist, referring to something as "the item" is often an indicator of a
Mar 21
Mark Garlanger
, …
norberto.collado koyado.com
4
Mar 19
UltraROM and 2nd Page Display memory
Yes on my website… http://koyado.com/Heathkit/H19C_Terminal.html Norby From: se...@googlegroups.com
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UltraROM and 2nd Page Display memory
Yes on my website… http://koyado.com/Heathkit/H19C_Terminal.html Norby From: se...@googlegroups.com
Mar 19
Troy S
,
Glenn Roberts
2
Mar 19
The $342 H8 Restoration
Awesome Troy. It's relatively rare that we ever hear what happens to the H8s we see sell on eBay.
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The $342 H8 Restoration
Awesome Troy. It's relatively rare that we ever hear what happens to the H8s we see sell on eBay.
Mar 19
norberto.collado koyado.com
Mar 18
Z80, 8080A, and Z180 on the H8 bus.
I agree with Douglas that the H8 bus is more tuned to the 8080A design. I noticed that my H8 runs
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Z80, 8080A, and Z180 on the H8 bus.
I agree with Douglas that the H8 bus is more tuned to the 8080A design. I noticed that my H8 runs
Mar 18
Scott Campbell
5
Mar 17
The triplets
On Friday, March 17, 2023 at 9:08:17 PM UTC-5 Scott Campbell wrote: They're done! Thanks for your
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The triplets
On Friday, March 17, 2023 at 9:08:17 PM UTC-5 Scott Campbell wrote: They're done! Thanks for your
Mar 17
Scott Campbell
,
Joseph Travis
4
Mar 17
Stripes are not a good look for an H19
Hi Scott, I believe the character generator ROM is P/N 444-29. I have some in my inventory. I 'll
unread,
Stripes are not a good look for an H19
Hi Scott, I believe the character generator ROM is P/N 444-29. I have some in my inventory. I 'll
Mar 17
Scott Campbell
, …
rand...@hotmail.com
9
Mar 17
H17 Gotek and physical drive issue?
Odds are high, it's the most stressed component from plugging and unplugging ;-) Randy On
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H17 Gotek and physical drive issue?
Odds are high, it's the most stressed component from plugging and unplugging ;-) Randy On
Mar 17
Les Bird
, …
Darrell Pelan
55
Mar 17
MT MODEM by Darrell Pelan
Thanks for your help, Doug! I was able to compile and run the hello.c program. Apparently, I used a
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MT MODEM by Darrell Pelan
Thanks for your help, Doug! I was able to compile and run the hello.c program. Apparently, I used a
Mar 17
Mark Garlanger
, …
norberto.collado koyado.com
35
Mar 16
H47 Docs - Commands set
Hello Douglas, How hard will be to develop a simple program that does the following? H47RD.SYS ;Reads
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H47 Docs - Commands set
Hello Douglas, How hard will be to develop a simple program that does the following? H47RD.SYS ;Reads
Mar 16
Glenn Roberts
2
Mar 15
Fwd: VCF East Exhibitors Sixth Revision of VCF East 2023 table layouts
Or not. Maybe just the label is big. Either way no prob…. Sent from my iPad Begin forwarded message:
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Fwd: VCF East Exhibitors Sixth Revision of VCF East 2023 table layouts
Or not. Maybe just the label is big. Either way no prob…. Sent from my iPad Begin forwarded message:
Mar 15
smb...@gmail.com
, …
glenn.f...@gmail.com
72
Mar 14
h8dutility woes (again)
Alright, V2DIP1-48 modules tested and working. Thanks again for the firmware! Scott On Tuesday, 14
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h8dutility woes (again)
Alright, V2DIP1-48 modules tested and working. Thanks again for the firmware! Scott On Tuesday, 14
Mar 14
Lee Adamson
, …
steve shumaker
127
Mar 14
My H8 Restoration Thread
Hey Terry, Is the pc board for the power supply mod that Norberto is showing here available? I have
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My H8 Restoration Thread
Hey Terry, Is the pc board for the power supply mod that Norberto is showing here available? I have
Mar 14
Eric Mack
, …
Robert Litz
7
Mar 14
What's the closest someone has come to adding blinkenlights for the H8?
The h8 front panel went dark when Heathkit implemented Org 0. The front panel is implemented in ROM
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What's the closest someone has come to adding blinkenlights for the H8?
The h8 front panel went dark when Heathkit implemented Org 0. The front panel is implemented in ROM
Mar 14