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Steven Hirsch
,
Douglas Miller
5
5:26 PM
MMS ROM memory test?
Those intermittent failures of the memtest could easily be the bad DRAM chip you found. The monitor
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MMS ROM memory test?
Those intermittent failures of the memtest could easily be the bad DRAM chip you found. The monitor
5:26 PM
Fist State
, …
glenn.f...@gmail.com
4
10:53 AM
H89 Restoration/Mod
Wow. Tantalums on the +/-18v side should definitely be rated at least to 35V. I just checked on one
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H89 Restoration/Mod
Wow. Tantalums on the +/-18v side should definitely be rated at least to 35V. I just checked on one
10:53 AM
Dirk Prins
,
glenn.f...@gmail.com
3
7:24 AM
CP/M on H89
Hi Glenn, Thanks for the reply, I didn't think of it that the source was in the rest of the
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CP/M on H89
Hi Glenn, Thanks for the reply, I didn't think of it that the source was in the rest of the
7:24 AM
Steven Hirsch
, …
glenn.f...@gmail.com
44
Oct 22
H19 keyboard encoder
That makes sense. AAC/AAD seem to use the same key mapping, as do AAE/AAF. Not sure what the
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H19 keyboard encoder
That makes sense. AAC/AAD seem to use the same key mapping, as do AAE/AAF. Not sure what the
Oct 22
Mike J
, …
Michael Johnson
19
Oct 22
H8 transformer appears to be bad.
thanks Terry. it was not the xfmr..it was my age. wrong primary wiring. works now. appreciate the
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H8 transformer appears to be bad.
thanks Terry. it was not the xfmr..it was my age. wrong primary wiring. works now. appreciate the
Oct 22
norberto.collado koyado.com
, …
Peter Higgins
13
Oct 21
H8 Heath Z80 and Heath 8080A CPU "CF Storage Controller".
On Thursday, October 10, 2024 at 8:23:10 AM UTC-7 Norby wrote: Both boards will work fine with the H8
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H8 Heath Z80 and Heath 8080A CPU "CF Storage Controller".
On Thursday, October 10, 2024 at 8:23:10 AM UTC-7 Norby wrote: Both boards will work fine with the H8
Oct 21
Mike J
,
Terry Smedley
3
Oct 20
Found 2 program roms.. ????
Thanks Terry I have Remarks 7/1990. I'll check it out. Also, I have a H150 so that makes sense
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Found 2 program roms.. ????
Thanks Terry I have Remarks 7/1990. I'll check it out. Also, I have a H150 so that makes sense
Oct 20
norberto.collado koyado.com
,
Joseph Travis
7
Oct 19
H89-VDIP1-Left-Side
Looking god so far: Norby
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H89-VDIP1-Left-Side
Looking god so far: Norby
Oct 19
glenn.f...@gmail.com
Oct 19
Gates Z19
Stock photo from a recent article in The Economist about the longevity of Excel. I've seen
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Gates Z19
Stock photo from a recent article in The Economist about the longevity of Excel. I've seen
Oct 19
glenn.f...@gmail.com
, …
Joseph Travis
26
Oct 16
Second H9 restore
My pleasure Tim. There are many people in the group who don't post about their Heathkit computers
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Second H9 restore
My pleasure Tim. There are many people in the group who don't post about their Heathkit computers
Oct 16
norberto.collado koyado.com
,
glenn.f...@gmail.com
5
Oct 16
H89-Z37 BOARDS RECEIVED!
Beautiful system! Thanks for sharing such priceless pictures.👍 Get Outlook for iOS From: sebhc@
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H89-Z37 BOARDS RECEIVED!
Beautiful system! Thanks for sharing such priceless pictures.👍 Get Outlook for iOS From: sebhc@
Oct 16
glenn.f...@gmail.com
, …
Joseph Travis
8
Oct 14
a "cherry" of an '89
Yes or maybe even one of the hobbyist magazines. I notice more and more articles on “retro”
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a "cherry" of an '89
Yes or maybe even one of the hobbyist magazines. I notice more and more articles on “retro”
Oct 14
Mike J
,
norberto.collado koyado.com
4
Oct 12
H8 cpu board 85-1938-1
Congratulations on such great layout! Why not use the 27/28C256, so that you can have PAM-8 or XCON-8
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H8 cpu board 85-1938-1
Congratulations on such great layout! Why not use the 27/28C256, so that you can have PAM-8 or XCON-8
Oct 12
Darrell Pelan
, …
norberto.collado koyado.com
10
Oct 4
3D H-8 Case close to completion
Thanks, Norberto. The Wikki is now updated. On Thursday, October 3, 2024 at 6:40:13 PM UTC-4 Norby
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3D H-8 Case close to completion
Thanks, Norberto. The Wikki is now updated. On Thursday, October 3, 2024 at 6:40:13 PM UTC-4 Norby
Oct 4
glenn.f...@gmail.com
, …
Tim R
6
Oct 4
H9 project
So I agree one of the cool things about the H9 is it's stylistic compatibility with the H8, H11
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H9 project
So I agree one of the cool things about the H9 is it's stylistic compatibility with the H8, H11
Oct 4
norberto.collado koyado.com
Oct 3
H89 U509 UPGRADE
On the H89 U509 board upgrade, I will be using the Single Pin Machined socket to avoid soldering the
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H89 U509 UPGRADE
On the H89 U509 board upgrade, I will be using the Single Pin Machined socket to avoid soldering the
Oct 3
glenn.f...@gmail.com
, …
Tim R
12
Oct 2
First build of Terry's H19 keyboard
Wow, now I need an H19 just so I can have a cool keyboard like that! That looks great. On Sunday,
unread,
First build of Terry's H19 keyboard
Wow, now I need an H19 just so I can have a cool keyboard like that! That looks great. On Sunday,
Oct 2
norberto.collado koyado.com
, …
Tony Kuker
3
Sep 27
H89-Z37 board!
I have 4 spare H89-Z37 boards available too, if anyone wants one On Friday, September 27, 2024 at 3:
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H89-Z37 board!
I have 4 spare H89-Z37 boards available too, if anyone wants one On Friday, September 27, 2024 at 3:
Sep 27
norberto.collado koyado.com
, …
Joseph Travis
3
Sep 27
H89 Left Side Board Bracket.
Yes. And that is the bracket I was talking about that will block the view of the power LED on the
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H89 Left Side Board Bracket.
Yes. And that is the bracket I was talking about that will block the view of the power LED on the
Sep 27
Mike J
, …
Lee Hart
9
Sep 25
Looking for EASYEDA files for H8
Again, thank you Joe and Lee. I've ordered the mouser 22-18-2101 (10pin) and 22-18-2057 (5pin)
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Looking for EASYEDA files for H8
Again, thank you Joe and Lee. I've ordered the mouser 22-18-2101 (10pin) and 22-18-2057 (5pin)
Sep 25
Mike Ladwig
, …
Chris Outzen
18
Sep 24
DG-32D memory board?
Thanks On Tuesday, September 24, 2024 at 6:24:39 PM UTC-4 Les Bird wrote: DG-64 schematic is here.
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DG-32D memory board?
Thanks On Tuesday, September 24, 2024 at 6:24:39 PM UTC-4 Les Bird wrote: DG-64 schematic is here.
Sep 24
Mike J
,
Jeff Tranter
3
Sep 20
H8 PAM-8 monitor
Thank you very much. Mike On Friday, September 20, 2024 at 12:39:50 PM UTC-6 tra...@gmail.com wrote:
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H8 PAM-8 monitor
Thank you very much. Mike On Friday, September 20, 2024 at 12:39:50 PM UTC-6 tra...@gmail.com wrote:
Sep 20
Tim R
, …
glenn.f...@gmail.com
11
Sep 19
Sound Issues - update
Perhaps 'hunt and peck' typists prefer it over touch typists. my fingers just automatically
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Sound Issues - update
Perhaps 'hunt and peck' typists prefer it over touch typists. my fingers just automatically
Sep 19
cole erskine
, …
norberto.collado koyado.com
44
Sep 17
Easy way to test H17? How to create hard-sector floppies?
It is in my to-do-list to convert the Z67-IDE+ to emulate a "real" H-17 hard sector floppy
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Easy way to test H17? How to create hard-sector floppies?
It is in my to-do-list to convert the Z67-IDE+ to emulate a "real" H-17 hard sector floppy
Sep 17
Glenn Roberts
, …
smb...@gmail.com
6
Sep 13
Intel 4004
Alas, my ~ $350 snipe was not successful. :) I was figuring it would go for > $2k. Scott On Friday
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Intel 4004
Alas, my ~ $350 snipe was not successful. :) I was figuring it would go for > $2k. Scott On Friday
Sep 13
Alex - K3CIM
, …
Joseph Travis
3
Sep 9
vcfmw video
I saw Jack Rubin was with that group. On Mon, Sep 9, 2024, 6:08 PM norberto.collado koyado.com <
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vcfmw video
I saw Jack Rubin was with that group. On Mon, Sep 9, 2024, 6:08 PM norberto.collado koyado.com <
Sep 9
Glenn Roberts
, …
Peter Higgins
6
Sep 9
Easy PC Card for s100?
And it says you need “MS-DOS for the 150” (which sounds like the version Heath sold for the H-158?)
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Easy PC Card for s100?
And it says you need “MS-DOS for the 150” (which sounds like the version Heath sold for the H-158?)
Sep 9
G. Beat
Sep 9
VETCO Electronics (Bellevue, WA)
VETCO Electronics of Bellevue, WA is having Clearance / Surplus Sale, that now includes eBay auction
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VETCO Electronics (Bellevue, WA)
VETCO Electronics of Bellevue, WA is having Clearance / Surplus Sale, that now includes eBay auction
Sep 9
Frank_M
, …
Benjamin Hansen
3
Sep 8
H89 for sale
I am very interested in the details and specifications. My direct email is bdh21566 at Gmail dot com.
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H89 for sale
I am very interested in the details and specifications. My direct email is bdh21566 at Gmail dot com.
Sep 8
Tim R
, …
smb...@gmail.com
4
Sep 7
Heathkit H9 Terminal startup after long period (years?) in storage.
Maybe I'm reckless, but I just powered mine up and watched for smoke. I did have to pull a bunch
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Heathkit H9 Terminal startup after long period (years?) in storage.
Maybe I'm reckless, but I just powered mine up and watched for smoke. I did have to pull a bunch
Sep 7