Difference between revisions of "Video Enhancement Cards"
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Revision as of 00:11, 14 August 2011
Video Controller Card (TI)
TODO
DataBioTics Advanced Video Processor Card (AVPC)
TODO
Foundation 80-Column Card
This card allowed connection of an 80-column, monochrome display to the TI-99/4A. It drew power from the system bus but did not directly interface with the rest of the TI-99/4A computer. All data I/O was through a 25-pin RS-232 serial connector extending out the back of the machine and video went through an RCA connector located beside the data connector. There was no provision for sound. The only device designed to actually use the interface was the Foundation CP/M card, which made the card of no practical use to most TI owners. Very few examples of this card survive. Its primary use was as a terminal screen in 80 columns, a definite benefit of you planned to do a lot of word processing on your TI.
Mechatronics 80-Column Card
TODO
SNUG Enhanced Video Processor Card (EVPC)
TODO