In the early days of PCs, you had to know how to open up the box and add the functionality you really wanted when you bought the computer. This program looks at some of the upgrade options including AST's Rampage 286 board, Paradise Systems' VGA Plus Graphics card, IBM's Inboard/386, and Quadram's JT Fax board, and the TV Producer board for the Macintosh II. http://www.archive.org/details/CC524_add-on_boards