Programmable Systems Interface TMS 9901
Revision as of 20:47, 6 April 2022 by Mizapf (talk | contribs) (Created page with "The Programmable System Interface (PSI) is a circuit that is used on the TI-99/4A main board, on some expansion cards, and on the Geneve. The designation of the PSI is TMS9901, and this is the name that most users will be more familiar with.")
The Programmable System Interface (PSI) is a circuit that is used on the TI-99/4A main board, on some expansion cards, and on the Geneve.
The designation of the PSI is TMS9901, and this is the name that most users will be more familiar with.