DEC VT55
| DEC VT55 | |
|---|---|
 | |
| Manufacturer | DEC |
| Model | VT55 |
| Lifetime | |
| Introduced | October, 1975 |
| Communication | |
| Interfaces | RS-232C, 20 mA current loop |
| Baud Rates | 75, 110, 150, 300, 600, 1200, 2400, 4800, 9600 |
| Display | |
| Size | 10-inch |
| Phosphor | P4 white |
| Refresh Rates | 50 Hz, 60 Hz |
| Character Modes | |
| Resolution | 80x24 |
| Matrix | 7x7 |
| Graphic Modes | |
| Type | Monochrome |
| Resolution | 512x256 |
| Firmware | |
| CPU | discrete logic |
The DEC VT55 terminal is a variant of the VT52 that provides simple "waveform" style graphics and was introduced in October, 1975 at a price of $2,495.[1][2] [3] An optional hardcopy unit was priced at $800 and introduced in 1976.[4]
Manx
- VT55 Programming Manual, February, 1977
- VT55-D,E,H,J DECgraphic Scope Users' Manual, December, 1976
Images
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External Links
References
- ↑ DEC advertisement, Computerworld, October 29, 1975, pg. 24
- ↑ "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.
- ↑ "Brochure for the VT55". 1975. https://classic.technology/the-vt55-graphics-terminal/. Retrieved Juli 12, 2023.
- ↑ "Hard Copy Optional on DEC Graphics Unit", Computerworld, October 15, 1975, pg. 31
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