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Introduction

The IBM PCjr is a personal computer introduced in 1983 and sold through 1985. It had some nice features that other computers did not have at the time, but it was not compatible enough with the rest of the IBM PC family to be successful as a pure PC clone, and initially it was too expensive to compete against "home" machines such as the Apple ][ and the Commodore 64. As a result, the IBM PCjr did not sell well and it is considered to be one of the bigger flops in the industry.

I still like mine though. These web pages are an attempt to preserve the history and technical information of the IBM PCjr.

If you have questions or comments, please email me at mbbrutman@yahoo.com. Please, no spam or unreasonable requests. I am interested in hearing your stories about the PCjr and meeting other owners of these fascinating machines.


Table of Contents

History     Pictures     Modifications and Hacks Overview
Hardware Pictures 2: Covers Off! Upgrading a printer sidecar to bidirectional
Software Pictures 3: Magazine Ads Changing a printer sidecar to be LPT2
Software Downloads Pictures 4: Oddities Adding the Dallas 1216E Clock/Calendar chip
Documentation The PCjr Press Kit PCjr Bus to ISA Bus Adapter Pinout
Keyboard Differences Chart          PCjr Combocard (New!)
Keyboard Handling (Advanced) Options and Accessories
Tips and Tricks PC Compact Printer jrIDE IDE and memory sidecar - NEW!
FAQ Legacy Tech Expansion Chassis (Updated!)
Resources and Links Cartridge and ROM Dumping


 PCjr Web Forum! 

Related Pages


Created in October 2000, Last updated February 3rd, 2012
(C)opyright Michael B. Brutman, mbbrutman@yahoo.com