Tektronix 4025
Late 1970s
The Tektronix 4025 was a "smart" terminal computer with local file editing capability and ability to store data on its own RAM. One of the S-100 boards has a 8088 CPU. The terminal is incapable of loading or saving information from disk without the mainframe computer. The terminal has a green monochrome screen built in and a composite video output connector. The RS-232 serial port connector is a DB-25 (25 pin) connector. I donated the terminal along with manuals to the San Antonio Museum of Science and Technology.
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Jon Stanley