In order to apply a patch to DOSBox, you must first be able to compile DOSBox from its source.  Start with this tutorial : http://www.dosb...

The IBM PC Convertible, Model 5140, was IBM's first attempt at a battery-powered laptop.  Of course, it was thick, had a small screen, a...

IBM PCjr. Startup Screen - Maximum RAM Count (but you can have more) Congratulations!  You have just won a PCjr off ebay, scored one o...

November 1, 1983 - IBM announced the PCjr. to great fanfare.  Commentators predicted and expected that IBM's new system would bring orde...

Recently, I found a card nearly identical to this one from http://www.vgamuseum.info/ in an old system and decided to try it out : I h...

The original version of SimCity for DOS, 1.02, supported a variety of video modes.  Here is a screenshot of the title screen and an in-game ...

In an MS-DOS system with a 386 or better processor, when it comes to configuring the OS, typically the issue is whether to load or not to lo...

The Commodore MOS 6581 Sound Interface Device, the SID, is one of the most famous synthesizer chips of all time.  Its inclusion in the Commo...