Classic Computer: General Discussion

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Classic Computer: General Discussion

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My retrochallange project

Last post by jknightandkarr « Tue Nov 21, 2023 12:55 pm
Replies: 124
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by jknightandkarr » Tue Sep 26, 2023 4:06 am

I am working on a Zenith Z-Star EX I got from Granz.

About the device:
CPU: Intel 486 DX2 50 MHz
RAM: 3Mb
HDD: 210 Mb
FDD: 3.25"
OS : DOS 6.20...
124 Replies

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Last post by jknightandkarr View the latest post
Tue Nov 21, 2023 12:55 pm
RetroChallenge

Last post by Granz « Sun Oct 01, 2023 8:30 pm
Replies: 20
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by Granz » Wed Sep 13, 2023 1:38 pm

Has anyone ever heard of, or participated in, RetroChallenge? ( )

Many years ago (2011,) I entered with a project to upgrade my ET-3400 to 32K of...
20 Replies

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Last post by Granz View the latest post
Sun Oct 01, 2023 8:30 pm
HDD support?

Last post by jknightandkarr « Fri Mar 03, 2023 8:36 pm
Replies: 6
by jknightandkarr » Wed Mar 01, 2023 9:41 am

Anyone know what old DOS systems supported as far as drive size? I found an adapter to put a compact flash drive in that Zenith laptop from Granz and...

6 Replies

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Last post by jknightandkarr View the latest post
Fri Mar 03, 2023 8:36 pm
Z80 Compilers (Modern Options)

Last post by Savage///Circuits « Sat Jan 28, 2023 12:25 am
Replies: 20
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by Savage///Circuits » Tue May 26, 2015 11:47 am

Tor,

Just out of curiosity, are you still programming the Z80? If so, what compiler are you using? The one I have is called, "TASM 3.1"...
20 Replies

3237 Views

Last post by Savage///Circuits View the latest post
Sat Jan 28, 2023 12:25 am
6502 Breadboard Kit

Last post by Savage///Circuits « Sun Jan 22, 2023 1:33 am
Replies: 2
by Savage///Circuits » Wed Jan 18, 2023 11:02 pm

Bought this a couple of years ago, but haven't yet started it: Build a 6502 Computer Kit Project on a Breadboard

Also got the Build an 8-Bit...

2 Replies

231 Views

Last post by Savage///Circuits View the latest post
Sun Jan 22, 2023 1:33 am
What Was Your First Computer?

Last post by Savage///Circuits « Thu Dec 01, 2022 9:42 pm
Replies: 12
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by Granz » Fri Oct 21, 2022 9:13 pm

This is a thread that I have enjoyed on other boards. Let's see what you had to begin at your start in computers.
12 Replies

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Last post by Savage///Circuits View the latest post
Thu Dec 01, 2022 9:42 pm
RetroBrew Computers

Last post by chuckt « Sat Oct 08, 2016 9:24 pm

by chuckt » Sat Oct 08, 2016 9:24 pm

"RetroBrew Computers is a forum and wiki for people building their own machines: SBCs, Eurocard, S-100 or whatever. Ranging from 6502 and 6809...

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Last post by chuckt View the latest post
Sat Oct 08, 2016 9:24 pm
Production restart of "old" CPUs

Last post by Savage///Circuits « Tue Jun 07, 2016 3:45 pm
Replies: 1
by chuckt » Tue Jan 26, 2016 1:07 pm

Production restart of "old" CPUs

1 Replies

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Last post by Savage///Circuits View the latest post
Tue Jun 07, 2016 3:45 pm
The Texas Instruments TMX 1795: the first, forgotten microprocessor

Last post by chuckt « Sat Jun 27, 2015 5:36 pm
Replies: 1
by zappman » Mon May 18, 2015 12:51 pm

From:
Ken Shirriff's blog
Chargers, microprocessors, Arduino, and whatever

May 2015

The Texas Instruments TMX 1795: the first, forgotten...

1 Replies

2156 Views

Last post by chuckt View the latest post
Sat Jun 27, 2015 5:36 pm

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