Joe's Computer Mania

Created 12/26/97

Welcome to Joe's web site. I have set up this site to display some my collection of Hewlett Packard Calculators and Computers. Hope you find it interesting.

Now expanded to include lots of other vintage computers and related oddities. Coming soon (I hope!) Rubicon CP/M computer, computerized Dolch Logic Analyzer with MP/M Operating System, my Altair computers, my S-100 Compupro computers, HP-85s and more

Link to article and pictures about my early AMI S6800 based computer (Flex OS) New! No text yet, just pictures.

Link to article and pictures about my original Altair computers Not Yet!

Link to HP Hand Held Calculator Archive page- information on HP Hand held Calculators

Link to my HP Desktop Calculator and Computer Archive page- information on HP Desktop Calculators and Computers

Link to my HP 83, 85, 86 and 87 Computer Archive page Not Yet!

Link to my W.E. ROM for the HP-41. For obvious reasons I'm not saying what this is on the net but if you're a serious HP-41 collector, you KNOW what it is! No text, just pictures for you to drool over. And NO it's not for sale!! Working!

Link to (Way Cool!) HP 5036A Microprocessor Lab web page. New!

Link to article and pictures of my IBM 5100

Link to article and pictures about my Intel MDS 225 Microcomputer Developement Systems Getting there!

Link to article and pictures about my Intel MDS 800 Microcomputer Developement Systems Getting there!

Link to article and pictures about my 3rd Intel MDS 800 Microcomputer Developement System No text yet, just pictures.

Link to article and pictures about my 4th Intel MDS 800 Microcomputer Developement System No text yet, just pictures.

Link to article and pictures about my Data General Desktop Nova Not Yet!

Link to a brief article and pictures about a Data General Nova 1200 that I recently found Not yet!

Link to article and pictures about my Rubicon CP/M computer Not Yet!

Link to a page showing the cover of the Fall 1978 Heathkit catalog and it's pages that lists the heathkit H-8 and H-11 computers and their acessories and the ET-3400 computer trainer and the H-19 terminal New!

Link to article and pictures about my Tektronix 4041 computer Not Yet!

Link to article and pictures about my Tektronix 4051 computer Not Yet!

New! Link to article and pictures about my Tektronix 8002a uProcessor Lab Working

Link to article and pictures about my Zenith Z-100 computer Working!

Link to article and pictures about my Dolch Colt 300 Logic Analyzer. It's powered by 3 Z-80s CPUs and runs MP/M! All the pictures were trashed thanks to my former ISP, Intellistar!

Link to article and pictures about my SB-180 computer. It's a single board computer designed by Steve Ciarcia and powered by a Z-180 and and runs ZCPR3 Not Yet!

Ok, Ok, I've got to put in at least one token DEC so here's a Link to an article and pictures about my PDP-11/23 that runs RSX-11M Not Yet!

Link to a page of links to pictures out of the Fall 1978 Heathkit catalog showing the Heathkit H8 and H11 computers, the H-9 Video Terminal and the ET-3400 Microprocessor Trainer.

New Additons! Link to page for the Morrow Micro Decision computer that I just picked up. Working!

New Additons! Link to page for the Paratronics model 100A Logic Analyzer that I just picked up. Working!

New Additons! Link to page for the XEROX 820 computer that has been a LONG running restoration project. Working!

Link to my E-bay auctions. I usually have something interesting listed!

Picture of me at work (for anyone that cares!)


Links to other excellent calculator-related sites


What's New & Update History. Trashed by my former ISP, Intellistar!

Acknowledgments. Trashed by my former ISP, Intellistar! - contributors to the archive


This page was created by Joe Rigdon, Oviedo, Florida in the interest of preserving HP calculator and Computer technology and history. All original material is copyright 1997 by Joe Rigdon, all rights reserved. Please send comments to me but remove the BUGs from the address first. Dammed SPAMMERS!
Note: This Web site is not affiliated with or endorsed by the Hewlett-Packard Company