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John Delano
, …
Dave McGuire
13
May 22
Finally got mu H8 System working!
The 444-11 and 444-12 both work with the table data, but I remember there were some differences in
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Finally got mu H8 System working!
The 444-11 and 444-12 both work with the table data, but I remember there were some differences in
May 22
Joe Travis N6YPC
, …
Dave McGuire
18
May 22
Using a TL866II+ to program 82S23/74S188 PROMs...
That byte is very clearly 0x02 in the manual that I have, the H9 Operation manual, 595-2017-03. As
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Using a TL866II+ to program 82S23/74S188 PROMs...
That byte is very clearly 0x02 in the manual that I have, the H9 Operation manual, 595-2017-03. As
May 22
Jonathan Haddox
May 20
SCSI driver for Z-100
Hello Everybody! I'm in search of a DOS SCSI driver that was created for a Lomas Data Products
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SCSI driver for Z-100
Hello Everybody! I'm in search of a DOS SCSI driver that was created for a Lomas Data Products
May 20
norberto...@koyado.com
, …
Terry Smedley
45
May 20
Testing the new H8-Z5-4 Cassette Board!
Yes, I bought them at Amazon single row as stated below. Norby From: sebhc@googlegroups.com <sebhc
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Testing the new H8-Z5-4 Cassette Board!
Yes, I bought them at Amazon single row as stated below. Norby From: sebhc@googlegroups.com <sebhc
May 20
Joe Travis N6YPC
, …
norberto.collado koyado.com
4
May 18
Heathkit semiconductor inventory...
Here's an updated inventory spreadsheet... On Sunday, May 15, 2022 at 5:36:11 PM UTC-4 Norby
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Heathkit semiconductor inventory...
Here's an updated inventory spreadsheet... On Sunday, May 15, 2022 at 5:36:11 PM UTC-4 Norby
May 18
Mitchell Smith
, …
norberto.collado koyado.com
46
May 18
Z80 Rev 4.0 and DUART question
Don't worry! Hopefully we can get such board up and running soon. 😊 From: "sebhc@
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Z80 Rev 4.0 and DUART question
Don't worry! Hopefully we can get such board up and running soon. 😊 From: "sebhc@
May 18
glenn.f...@gmail.com
, …
Bob Groh
4
May 18
ribbon for H/Z25?
I owned one of those babies - fast and noisy!! Built one of the proof kits. I don't think they
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ribbon for H/Z25?
I owned one of those babies - fast and noisy!! Built one of the proof kits. I don't think they
May 18
Richard Davis Jr.
, …
norberto.collado koyado.com
8
May 17
Dual CF board driver progress
OK, we will keep this one for the 8080A as it is a very simple bord. Also it could be jump-start thru
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Dual CF board driver progress
OK, we will keep this one for the 8080A as it is a very simple bord. Also it could be jump-start thru
May 17
glenn.f...@gmail.com
, …
Mike Ladwig
6
May 16
hot transformer
After ½ hour or so the transformer in the “hot” chassis was getting quite warm, even though all it
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hot transformer
After ½ hour or so the transformer in the “hot” chassis was getting quite warm, even though all it
May 16
Glenn Roberts
,
Les Bird
3
May 16
eBay h8
He's got a dual-drive H47 with a “buy now” of $450… also a triple H17 setup… Sent from my iPad On
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eBay h8
He's got a dual-drive H47 with a “buy now” of $450… also a triple H17 setup… Sent from my iPad On
May 16
Peter Higgins
, …
Douglas Miller
4
May 9
RAM board for original Heathkit 8080 or Z80 CPU boards
Just one note, since you mentioned CP/M 3, the versions of CP/M 3 and MP/M currently available for
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RAM board for original Heathkit 8080 or Z80 CPU boards
Just one note, since you mentioned CP/M 3, the versions of CP/M 3 and MP/M currently available for
May 9
norberto.collado koyado.com
,
glenn.f...@gmail.com
6
May 9
H89-SERIAL-USB TESTS
Vtalk is a good program to test with since it's extremely simple, but see note below… For console
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H89-SERIAL-USB TESTS
Vtalk is a good program to test with since it's extremely simple, but see note below… For console
May 9
Alex - K3CIM
,
glenn.f...@gmail.com
2
May 8
vcf east 2022
Alex: hope you're doing ok! I too skipped this event due to a prior travel commitment Thanks for
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vcf east 2022
Alex: hope you're doing ok! I too skipped this event due to a prior travel commitment Thanks for
May 8
Peter Higgins
, …
glenn.f...@gmail.com
22
May 8
7805 regulator replacement (Pololu S9V11F5 and alternatives)
So I think the only board I have that takes +/-12V is the Z80 rev4 CPU? Not sure what it's for?
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7805 regulator replacement (Pololu S9V11F5 and alternatives)
So I think the only board I have that takes +/-12V is the Z80 rev4 CPU? Not sure what it's for?
May 8
Richard Davis Jr.
, …
norberto.collado koyado.com
15
May 3
Norbeto's Dual CF for H8
Yeah, I had to flip bit odering to an encryption chip because hw guy connected it up backwards. The
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Norbeto's Dual CF for H8
Yeah, I had to flip bit odering to an encryption chip because hw guy connected it up backwards. The
May 3
Norberto Collado
, …
Dave McGuire
103
May 1
H89-USB-Serial order list.
Yes, they're here safe and sound. :-) -Dave On 5/1/22 23:20, norberto.collado koyado.com wrote:
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H89-USB-Serial order list.
Yes, they're here safe and sound. :-) -Dave On 5/1/22 23:20, norberto.collado koyado.com wrote:
May 1
Norberto Collado
, …
Lee Hart
22
Apr 28
PCB Services.
I use Advanced Circuits (www.4pcb.com) for all my PC boards. They are in the US, so delivery times
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PCB Services.
I use Advanced Circuits (www.4pcb.com) for all my PC boards. They are in the US, so delivery times
Apr 28
Mitchell Smith
,
glenn.f...@gmail.com
3
Apr 26
Epson LX-300 and H-8-4
I had (actually still have) a C. Itoh Prowriter. I modified one of the generic drivers that came with
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Epson LX-300 and H-8-4
I had (actually still have) a C. Itoh Prowriter. I modified one of the generic drivers that came with
Apr 26
Thom Cherryhomes
, …
norberto.collado koyado.com
164
Apr 26
Proposal for #FujiNet for H89 systems
Take from the +12V to a 7805 with adjustable voltage pot to compensate for the diode voltage drop.
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Proposal for #FujiNet for H89 systems
Take from the +12V to a 7805 with adjustable voltage pot to compensate for the diode voltage drop.
Apr 26
norberto...@koyado.com
, …
Douglas Miller
83
Apr 25
H8-Dual-CF Controller for HDOS!
Looking good! I've got the simulator changes for the CF cards done, and converted the new ROM
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H8-Dual-CF Controller for HDOS!
Looking good! I've got the simulator changes for the CF cards done, and converted the new ROM
Apr 25
glenn.f...@gmail.com
, …
Rob
4
Apr 24
"Tape OS" manuals and other Heath/Zenith doc's.
$102.5 for just the book. Wow! I didn't expect that at all. On Sunday, April 24, 2022 at 6:27:05
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"Tape OS" manuals and other Heath/Zenith doc's.
$102.5 for just the book. Wow! I didn't expect that at all. On Sunday, April 24, 2022 at 6:27:05
Apr 24
Terry Smedley
, …
Dave McGuire
12
Apr 20
Hardware I2C solution for H8/H89
Oh dear...I didn't know that that did that. (that's a lot of thats!) Sorry, no offense
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Hardware I2C solution for H8/H89
Oh dear...I didn't know that that did that. (that's a lot of thats!) Sorry, no offense
Apr 20
Norberto Collado
, …
George Farris
6
Apr 19
H8 Chassis CAD Files!
Possible Formats: PARASOLID, ACIS, STEP, IGES, SOLIDWORKS, JT, COLLADA, RHINO, GLTF, OBJ, STL. Let me
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H8 Chassis CAD Files!
Possible Formats: PARASOLID, ACIS, STEP, IGES, SOLIDWORKS, JT, COLLADA, RHINO, GLTF, OBJ, STL. Let me
Apr 19
Mike Ladwig
, …
Glenn Roberts
9
Apr 16
Tape image archive question: EXBASIC/HBBASIC/TED/HASL/BUG versions
The SPACE trick is how the console driver figures out the BAUD rate. Since it knows what character is
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Tape image archive question: EXBASIC/HBBASIC/TED/HASL/BUG versions
The SPACE trick is how the console driver figures out the BAUD rate. Since it knows what character is
Apr 16
norberto.collado koyado.com
, …
Mitchell Smith
11
Apr 15
H8 boards Status!
Status Update: Only 5 boards left to complete. H8-Z5-4 board ordered - waiting for pcb to verify
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H8 boards Status!
Status Update: Only 5 boards left to complete. H8-Z5-4 board ordered - waiting for pcb to verify
Apr 15
norberto.collado koyado.com
,
Glenn Roberts
5
Apr 15
New H8 Backplane!
My bad! I forgot to send the changes on first email. 😊 It is going to be a great board with all the
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New H8 Backplane!
My bad! I forgot to send the changes on first email. 😊 It is going to be a great board with all the
Apr 15
Terry Smedley
,
Norberto Collado
2
Apr 15
New H8 Front Panel keycap LEDs
Interesting! I have been running my system non-stop since I mounted them and still very bright. In my
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New H8 Front Panel keycap LEDs
Interesting! I have been running my system non-stop since I mounted them and still very bright. In my
Apr 15
Norberto Collado
, …
pbi...@gmail.com
10
Apr 15
H8 Extender Board is Ready.
Note that USPS rounds UP. So any fraction over _exactly_ 8.0 oz is in the next (9+) band. At least
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H8 Extender Board is Ready.
Note that USPS rounds UP. So any fraction over _exactly_ 8.0 oz is in the next (9+) band. At least
Apr 15
Douglas Miller
,
norberto...@koyado.com
2
Apr 14
I/O Port assignments and the Z180
Yes, I'm planning to have a Z180 board with 1MB of RAM for the H8. There is a Z80 V4.0 board
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I/O Port assignments and the Z180
Yes, I'm planning to have a Z180 board with 1MB of RAM for the H8. There is a Z80 V4.0 board
Apr 14
Chris Tersteeg
, …
Glenn Roberts
6
Apr 9
Molex KK 254 connectors currently on sale at Newark
Brilliant! Sent from my iPad > On Apr 9, 2022, at 8:20 PM, Terry Smedley wrote: > > My
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Molex KK 254 connectors currently on sale at Newark
Brilliant! Sent from my iPad > On Apr 9, 2022, at 8:20 PM, Terry Smedley wrote: > > My
Apr 9