20 mA current loop
|Baud Rates||up to 9600|
|RAM||4 KW (8 KB)|
The DEC GT40 graphic terminal was introduced in September, 1972. It consists of a PDP-11/34 minicomputer, a VT11 vector graphics processor, and associated PDP-11 peripherals to create a standalone graphics terminal system. The PDP-11/34's main memory is used to store a display list that is refreshed onto the display by VT11 graphics processor.
- GT40 Diagnostic Listings
- GT40 Graphic Display Terminal Engineering Drawings, January, 1972
- GT40 Graphic Display Terminal, Volume 1, November, 1974
- GT40 Graphic Display Terminal, Volume 2, September, 1973
- GT40/GT42 User's Guide, February, 1975
- "DEC Graphics Terminal Links PDP-11/40 to Host Processors", Computerworld, September 13, 1972, pg. 16
- "Digital Equipment Corporation, 1957 to the Present". 1978. http://bitsavers.org/pdf/dec/_Books/DEC_1957_To_The_Present_1978.pdf. Retrieved January 16, 2018.
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