Groups

IMSAI 8080esp

Contact owners and managers

1–30 of 419

This is the old forum for the IMSAI 8080 Replica from thehighnibble.com, based on the ESP32 microcontroller and the Z80PACK imsaisim machine.

8/Mar/2023: This Google Group is now locked and remains as an archive for older posts to be referenced on the new forum.

The new home of the forum is on GitHub at https://github.com/orgs/thehighnibble/discussions

The new forum is public and readable by anyone. If you wish to post you need to become a member.

Membership requires you to have GitHub account. Email to info@thehighnibble.com with your GitHub name and I will send you an invite to join the new discussion forum.

0 selected

7/27/20

LED spacer and Switch alignment guides cutting patterns

It's been identified that owing to changing tolerances with the thickness of some of the acrylic

unread,

LED spacer and Switch alignment guides cutting patterns

It's been identified that owing to changing tolerances with the thickness of some of the acrylic

7/27/20

TheHighNibble, … John Kennedy9

4/3/20

Back cover cutting pattern + reinforcing corners for more strength.

You got the last one Randy, until the plastics shop opens again. I managed to squeeze 7 kits out of

unread,

Back cover cutting pattern + reinforcing corners for more strength.

You got the last one Randy, until the plastics shop opens again. I managed to squeeze 7 kits out of

4/3/20

7/4/19

All guides in (draft) have their source on gitHub and are open for issues and PRs

Folks, I believe the guides could benefit from the collective knowledge and experience of the

unread,locked,

All guides in (draft) have their source on gitHub and are open for issues and PRs

Folks, I believe the guides could benefit from the collective knowledge and experience of the

7/4/19

View more pinned conversations

3/20/23

New firmware release (v1.11.0) available on GitHub

March 2023 Release For details: see the announcement on the new GitHub Discussions based forum at

unread,locked,

New firmware release (v1.11.0) available on GitHub

March 2023 Release For details: see the announcement on the new GitHub Discussions based forum at

3/20/23

TheHighNibble, … IMSAI 8080esp11

3/10/23

Be Warned: Google Groups is misbehaving and deleting posts

This Google Group is now locked and remains as an archive for older posts to be referenced on the new

unread,

Be Warned: Google Groups is misbehaving and deleting posts

This Google Group is now locked and remains as an archive for older posts to be referenced on the new

3/10/23

3/10/23

The IMSAI8080esp forum has moved to a new home.

This Google Group is now locked and remains as an archive for older posts to be referenced on the new

unread,locked,

The IMSAI8080esp forum has moved to a new home.

This Google Group is now locked and remains as an archive for older posts to be referenced on the new

3/10/23

villa...@gmail.com, … TheHighNibble8

3/5/23

Thanks. Tom used a magic word in his post - "Windows" - that got me thinking... Who would

unread,

Thanks. Tom used a magic word in his post - "Windows" - that got me thinking... Who would

3/5/23

udo....@freenet.de, … TheHighNibble4

3/4/23

Checking if Google Groups has settled down and stopped deleting new posts? On Saturday, 4 March 2023

unread,

Checking if Google Groups has settled down and stopped deleting new posts? On Saturday, 4 March 2023

3/4/23

Mark Grennan, Randy Mongenel2

3/4/23

Mark, If you'd like similar hardware for your own development purposes, look into an ESP32-based

unread,

Mark, If you'd like similar hardware for your own development purposes, look into an ESP32-based

3/4/23

Chris Scullion, Richard Deane2

3/4/23

DIR vs SDIR on I: drive

Richard Deane <rwd...@gmail.com> 07:16 (1 hour ago) to Chris, IMSAI DIR wont show the files

unread,

DIR vs SDIR on I: drive

Richard Deane <rwd...@gmail.com> 07:16 (1 hour ago) to Chris, IMSAI DIR wont show the files

3/4/23

Mike Kostersitz, … Mark Grennan10

3/3/23

Broke my PCB where the SD card slot is

This exact thing just happend to me. The Blue shell sherred in half the SD card and broke the switch

unread,

Broke my PCB where the SD card slot is

This exact thing just happend to me. The Blue shell sherred in half the SD card and broke the switch

3/3/23

TheHighNibble, ken....@gmail.com4

3/3/23

Drag-and-drop firmware update on SYS: icon not working

Yes, I do get the cursor change when dropping a disk onto a floppy, not dropping a file onto SYS: On

unread,

Drag-and-drop firmware update on SYS: icon not working

Yes, I do get the cursor change when dropping a disk onto a floppy, not dropping a file onto SYS: On

3/3/23

TheHighNibble, … John Kennedy20

3/3/23

Beta Desktop UI (webfrontend-v1.13.0-beta.11) available to try.

Yep, very much related to the problem Udo flagged. The TEK: window is large and if it doesn't fit

unread,

Beta Desktop UI (webfrontend-v1.13.0-beta.11) available to try.

Yep, very much related to the problem Udo flagged. The TEK: window is large and if it doesn't fit

3/3/23

Mark Grennan, curt mayer2

3/2/23

100% Build Sucsess

Can you publish the source code? --curt On Wed, Mar 1, 2023, 2:31 PM Mark Grennan <mark@grennan.

unread,

100% Build Sucsess

Can you publish the source code? --curt On Wed, Mar 1, 2023, 2:31 PM Mark Grennan <mark@grennan.

3/2/23

ShadowTron Blog, … Steve Tockey5

3/1/23

Disk Images - where

DropBox is an easy alternative for general file sharing. On Wed, Mar 1, 2023 at 3:45 PM Tom Wilson

unread,

Disk Images - where

DropBox is an easy alternative for general file sharing. On Wed, Mar 1, 2023 at 3:45 PM Tom Wilson

3/1/23

Andrew Gehring, Jonathan Bayer2

3/1/23

A little trouble

Check ALL your solder joints. Something similar happened to me, turned out I missed one solder joint

unread,

A little trouble

Check ALL your solder joints. Something similar happened to me, turned out I missed one solder joint

3/1/23

villa...@gmail.com, … Le Fauve9

2/9/23

Thank you Eric, you are absolutely correct! I did find that although it could draw a rectangle the

unread,

Thank you Eric, you are absolutely correct! I did find that although it could draw a rectangle the

2/9/23

Jeff Ramsey, … udo....@freenet.de9

1/30/23

New User Introduction / Browser Question

On OSX I usually use Firefox because Safari causes various problems, and this problems need to be

unread,

New User Introduction / Browser Question

On OSX I usually use Firefox because Safari causes various problems, and this problems need to be

1/30/23

ken....@gmail.com, … Derek Osborn7

1/30/23

Creating Disk Images

I notice there is a ton of IMSAI doco scans there already: https://archive.org/search?query=imsai On

unread,

Creating Disk Images

I notice there is a ton of IMSAI doco scans there already: https://archive.org/search?query=imsai On

1/30/23

Maker Melissa, … TheHighNibble9

1/30/23

As of the V1.10.0 firmware release in October 2022 there is no longer a NVS_BOOT_ROM setting. This is

unread,

As of the V1.10.0 firmware release in October 2022 there is no longer a NVS_BOOT_ROM setting. This is

1/30/23

Derek Osborn, TheHighNibble2

1/30/23

Feedback: Wifi instructions are missing info

Derek, The first sentence under the link you referenced: https://thehighnibble.com/imsai8080/

unread,

Feedback: Wifi instructions are missing info

Derek, The first sentence under the link you referenced: https://thehighnibble.com/imsai8080/

1/30/23

TheHighNibble, … John Kennedy7

1/21/23

First (well second) look at the S-132 hardware add-on.

Website https://thehighnibble.com/s132/ and next video https://youtu.be/y28_PbFyGsU On Wednesday, 18

unread,

First (well second) look at the S-132 hardware add-on.

Website https://thehighnibble.com/s132/ and next video https://youtu.be/y28_PbFyGsU On Wednesday, 18

1/21/23

Daniel Flakelar, … Charles Hicks8

1/3/23

Help - Damaged PSRAM, Need replace Adelaide

I replaced the PSRAM again and it didn't come up until I replaced the pico with the original. I

unread,

Help - Damaged PSRAM, Need replace Adelaide

I replaced the PSRAM again and it didn't come up until I replaced the pico with the original. I

1/3/23

Augusto Baffa, udo....@freenet.de2

12/30/22

How to use Modem on Cromemco Z-1

Using generic Kermit requires a CP/M BIOS that addresses the modem as UC1, but there is no such BIOS.

unread,

How to use Modem on Cromemco Z-1

Using generic Kermit requires a CP/M BIOS that addresses the modem as UC1, but there is no such BIOS.

12/30/22

ken....@gmail.com, … Charles Hicks17

11/22/22

First Boot - Cannot get to Start Configuration Mode

Thanks for that. I've ordered some from ALiexpress, Digikey has them backordered. On Tuesday,

unread,

First Boot - Cannot get to Start Configuration Mode

Thanks for that. I've ordered some from ALiexpress, Digikey has them backordered. On Tuesday,

11/22/22

11/2/22

2:3 scale VT100 terminal instructables project

If anyone is interested in having me print one of these for you let me know. I have limited time, but

unread,

2:3 scale VT100 terminal instructables project

If anyone is interested in having me print one of these for you let me know. I have limited time, but

11/2/22

Barry Hills, udo....@freenet.de7

11/2/22

Running a batch file as part of CP/M 2.2 boot

I have separated patching of autostart from sysgen into it's own auto.sub. To sysgen a CP/M

unread,

Running a batch file as part of CP/M 2.2 boot

I have separated patching of autostart from sysgen into it's own auto.sub. To sysgen a CP/M

11/2/22

dcmiller8, … Le Fauve7

10/26/22

IMSAI 8080 Stopped Working Suddenly

Disclaimer, I'm not an expert, but when my IMSAI stopped working, it was caused by an error on

unread,

IMSAI 8080 Stopped Working Suddenly

Disclaimer, I'm not an expert, but when my IMSAI stopped working, it was caused by an error on

10/26/22

Ronald Wells, … John Riley13

10/19/22

2:3 scale VT100 terminal redesign

Absolutely!! And then you'll live on in the Interwebs retro computing infamy! ;) Sent from my

unread,

2:3 scale VT100 terminal redesign

Absolutely!! And then you'll live on in the Interwebs retro computing infamy! ;) Sent from my

10/19/22

10/18/22

Check out these papercraft computers... incl IMSAI 8080

https://arstechnica.com/gaming/2022/10/build-a-shelf-size-vintage-computer-museum-made-of-paper/

unread,

Check out these papercraft computers... incl IMSAI 8080

https://arstechnica.com/gaming/2022/10/build-a-shelf-size-vintage-computer-museum-made-of-paper/

10/18/22

10/14/22

On the hunt for an original IMSAI Brochure

Slightly off topic, I am trying to find an original IMSAI Brochure, the 4 page color one. If anyone

unread,

On the hunt for an original IMSAI Brochure

Slightly off topic, I am trying to find an original IMSAI Brochure, the 4 page color one. If anyone

10/14/22

Charles Hicks, … udo....@freenet.de4

10/12/22

Z80 compile error

Thanks all for the replies, the link from the first reply had the package names and that took care of

unread,

Z80 compile error

Thanks all for the replies, the link from the first reply had the package names and that took care of

10/12/22

csh...@gmail.com, TheHighNibble2

10/12/22

stuttering output on the tty?

or theres a GC running The only thing running GC is JavaScript on your browser, so not likely. It

unread,

stuttering output on the tty?

or theres a GC running The only thing running GC is JavaScript on your browser, so not likely. It

10/12/22

Search

Clear search

Close search

Google apps

Main menu