Difference between revisions of "Lear Siegler ADM-3A"
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| intro_year = 1976 | | intro_year = 1976 | ||
| intro_price = $1,045 | | intro_price = $1,045 | ||
| + | | display_size = 12-inch | ||
| + | | refresh_rate = 60 | ||
| + | | refresh_rate2 = 50 | ||
| + | | char_resolution = 80x24 | ||
| + | | interface = RS-232C | ||
| + | | interface2 = 20mA current loop | ||
| + | | interface3 = RS-422 | ||
| + | | char_matrix = 5x7 | ||
| + | | baud_rates = 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200 | ||
| + | | phosphor = P4 white | ||
| + | | phosphor2 = P4 green | ||
}} | }} | ||
The {{PAGENAME}} terminal is an expanded version of the [[Lear Siegler ADM-3|ADM-3]] terminal. It was introduced in July, 1976 at a price of $1045. | The {{PAGENAME}} terminal is an expanded version of the [[Lear Siegler ADM-3|ADM-3]] terminal. It was introduced in July, 1976 at a price of $1045. | ||
Revision as of 08:14, 15 August 2012
| Lear Siegler ADM-3A | |
|---|---|
| Manufacturer | Lear Siegler |
| Model | ADM-3A |
| Lifetime | |
| Introduced | July, 1976 |
| Introductory Price | $1,045 |
| Communication | |
| Interfaces |
RS-232C, 20mA current loop, RS-422 |
| Baud Rates | 75, 110, 150, 300, 600, 1200, 1800, 2400, 4800, 9600, 19200 |
| Display | |
| Size | 12-inch |
| Phosphors | P4 white, P4 green |
| Refresh Rates | 60 Hz, 50 Hz |
| Character Modes | |
| Resolution | 80x24 |
| Matrix | 5x7 |
The Lear Siegler ADM-3A terminal is an expanded version of the ADM-3 terminal. It was introduced in July, 1976 at a price of $1045. The ADM-3A adds direct cursor addressing. A graphics option was available in May, 1982 at a price of $1,050.[1][2]
The terminal was created by Dennis J. Cagan and 3 other engineers at LSI. In 1975, these engineers left Lear Siegler to form Soroc Technology. The first product from Soroc was a design similar to the ADM-3A, which was sold to Beehive as the Beehive B100 in 1976-1977.[3]
BitSavers
- ADM-3A Maintenance Manual
- Tenth Anniversary Edition ADM 3A Dumb Terminal Video DIsplay Terminal Users Reference Manual April, 1986
References
- ↑ "Lear Siegler Upgrades ADM-1, Gives ADM-3 Full Cursor Ability", Computerworld, July 5, 1976, pg. 16
- ↑ Communications at NCC, Lear Siegler, Inc., Computerworld, May 31, 1982, pg. 47
- ↑ "Lear-Siegler Terminal". http://www.old-computers.com/site/header/terminal.asp. Retrieved March 15, 2012.
