Difference between revisions of "HP 2648A"
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{{References}} | {{References}} |
Revision as of 00:49, 16 April 2012
HP 2648A | |
---|---|
Manufacturer | HP |
Model | 2648A |
Lifetime | |
Introduced | July, 1977 |
Introductory Price | $5,500 |
Communication | |
Interface | RS-232C |
Display | |
Size | 5x10-inch |
Phosphor | P4 white |
Refresh Rates | 60 Hz, 50 Hz |
Character Modes | |
Resolution | 80x24 |
Matrix | 7x9 |
Firmware | |
RAM | 8 K to 12 K |
Code Chart | HP 2648A |
The HP 2648A is a monochrome graphics terminal introduced in July, 1977 at a price of $5,500, or $7,100 with optional cartridge tape drives.[1][2][3][4]
Features:
- graphics and alphanumeric data viewed separately or simultaneously
- 32K RAM graphics memory
- 720x360 graphics resolution
- graphics zoom and pan
- optional cartridge tape drives storing 220K, 110K per tape
References
- ↑ "Raster Scan CRT Designed for Novices", Computerworld, July 11, 1977, pg. 40
- ↑ "Versatile Low-Cost Graphics Terminal Is Designed for Ease of Use", Peter D. Dickinson, HP Journal, 29(5), pg. 2, January, 1978
- ↑ "Raster Scan Graphics with Zoom and Pan", Otakar Blazek and Michael B. Raynham, HP Journal, 29(5), pg. 6, January, 1978
- ↑ "Firmware Control of a Microprocessor-Based Graphics Terminal", John J. Moyer, HP Journal, 29(5), pg. 12, January, 1978