Difference between revisions of "HP 2648A"

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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.
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__NOTOC__
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{{infobox terminal
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| manufacturer = HP
 +
| model = 2648A
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| intro_month = July
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| intro_year = 1977
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| intro_price = $5,500
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| discontinued_year = 1983
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| interface = RS-232C
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| interface2 = 20 mA current loop
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| baud_rates = 110, 150, 300, 1200, 2400, 4800, 9600
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| char_resolution = 80x24
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| char_matrix = 7x9
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| char_cell = 9x15
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| phosphor = P4 white
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| refresh_rate = 60
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| refresh_rate2 = 50
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| display_size = 10x5-inch
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| cpu = [[wikipedia:Intel 8080|Intel 8080]]
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| ram = 8 KB to 12 KB
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| graphic_type = monochrome
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| graphic_resolution = 720x360
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| personality1 = Tektronix 4010
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}}
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The {{PAGENAME}} is a monochrome graphics terminal introduced in July, 1977 at a price of $5,500, or $7,100 with optional cartridge tape drives.{{Computerworld
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| id=Pug1dzDJkw8C
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| pg=40
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| title="Raster Scan CRT Designed for Novices"
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| date=July 11, 1977
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}}{{hpjournal
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| url=http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1978-01.pdf
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| title=Versatile Low-Cost Graphics Terminal Is Designed for Ease of Use
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| author=Peter D. Dickinson
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| volume=29
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| number=5
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| page=2
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| date=January, 1978
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}}{{hpjournal
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| url=http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1978-01.pdf
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| title=Raster Scan Graphics with Zoom and Pan
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| author=Otakar Blazek and Michael B. Raynham
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| volume=29
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| number=5
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| page=6
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| date=January, 1978
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}}{{hpjournal
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| url=http://www.hpl.hp.com/hpjournal/pdfs/IssuePDFs/1978-01.pdf
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| title=Firmware Control of a Microprocessor-Based Graphics Terminal
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| author=John J. Moyer
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| volume=29
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| number=5
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| page=12
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| date=January, 1978
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}}  It was discontinued in 1983.<ref>{{cite web
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| url=http://www.sieler.com/hp_terminals.html
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| title=HP Terminals
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| accessdate=October 23, 2015
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}}</ref>
  
 
Features:
 
Features:
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* 8080 microprocessor
 
 
* graphics and alphanumeric data viewed separately or simultaneously
 
* graphics and alphanumeric data viewed separately or simultaneously
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* 8K RAM alphanumeric memory, expandable to 12K
 
 
* 32K RAM graphics memory
 
* 32K RAM graphics memory
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* 720x360 graphics resolution
 
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* 80x24 alphanumeric resolution
 
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* 9x15 dot character resolution
 
 
* graphics zoom and pan
 
* graphics zoom and pan
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* optional cartridge tape drives storing 220K per tape
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* optional cartridge tape drives storing 220K, 110K per tape
  
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== References ==
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== [[Manx]] ==
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* {{manx details|7,14275|HP 2648A Graphics Terminal Reference Manual}}, August, 1978
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* {{manx details|7,21549|264x Composite Service Manual}}, May, 1981
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* {{manx details|7,21551|HP 13255 Data Terminal Technical Information}}, August, 1982
 +
* {{manx details|7,21552|HP 13255 Backplane Module Data Terminal Technical Information}}, October, 1977
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* {{manx details|7,21553|HP 13255 Power Supply Module Data Terminal Technical Information}}, August, 1976
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* {{manx details|7,21555|Roseville Terminals Cabling Manual}}
  
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[http://books.google.com/books?id=Pug1dzDJkw8C&lpg=PA40&pg=PA40 "Raster Scan CRT Designed for Novices"], Computerworld, July 11, 1977
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== [http://www.hpmuseum.net HP Museum] ==
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* [[hpmuseum:2506|HP 2648A Brochure]], May, 1977
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* [[hpmuseum:2511|HP Journal]], January, 1978
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* [[hpmuseum:2523|HP 2648A User's Manual]], January, 1979
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* [[hpmuseum:4132|HP 2648A Quick Reference Guide]], October, 1978
 +
 
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==Images==
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<gallery>
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File:HP 2648A 131342448345-1.jpg
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File:HP 2648A 131342448345-2.jpg
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File:HP 2648A 131342448345-3.jpg
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File:HP 2648A 131342448345-4.jpg
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File:HP 2648A 131342448345-5.jpg
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</gallery>
 +
 
 +
==External Links==
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* [http://bitsavers.org/pdf/hp/terminal/264x/264x_firmware/ Firmware]
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* [https://www.curiousmarc.com/computing/hp-264x-terminals HP 264x Terminals], CuriousMarc
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 +
{{References}}
  
 
[[Category:HP|2648A]]
 
[[Category:HP|2648A]]
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[[Category:HP 264x|2648A]]
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[[Category:Local Storage]]
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[[Category:Monochrome]]
 
[[Category:Graphics]]
 
[[Category:Graphics]]
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[[Category:Raster]]
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{{category raster}}
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[[Category:CRT]]
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[[Category:1977]]
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{{stub}}

Latest revision as of 21:07, 13 December 2019

HP 2648A
Manufacturer HP
Model 2648A
Lifetime
Introduced July, 1977
Introductory Price $5,500
Discontinued 1983
Communication
Interfaces RS-232C,
20 mA current loop
Baud Rates 110, 150, 300, 1200, 2400, 4800, 9600
Display
Size 10x5-inch
Phosphor P4 white
Refresh Rates 60 Hz, 50 Hz
Character Modes
Resolution 80x24
Matrix 7x9
Cell 9x15
Graphic Modes
Type Monochrome
Resolution 720x360
Firmware
CPU Intel 8080
RAM 8 KB to 12 KB
Personalities Tektronix 4010
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] It was discontinued in 1983.[5]

Features:

  • graphics and alphanumeric data viewed separately or simultaneously
  • 32K RAM graphics memory
  • graphics zoom and pan
  • optional cartridge tape drives storing 220K, 110K per tape

Manx

HP Museum

Images

  • HP 2648A 131342448345-1.jpg
  • HP 2648A 131342448345-2.jpg
  • HP 2648A 131342448345-3.jpg
  • HP 2648A 131342448345-4.jpg
  • HP 2648A 131342448345-5.jpg

External Links

References

  1. ↑ "Raster Scan CRT Designed for Novices", Computerworld, July 11, 1977, pg. 40
  2. ↑ "Versatile Low-Cost Graphics Terminal Is Designed for Ease of Use", Peter D. Dickinson, HP Journal, 29(5), pg. 2, January, 1978
  3. ↑ "Raster Scan Graphics with Zoom and Pan", Otakar Blazek and Michael B. Raynham, HP Journal, 29(5), pg. 6, January, 1978
  4. ↑ "Firmware Control of a Microprocessor-Based Graphics Terminal", John J. Moyer, HP Journal, 29(5), pg. 12, January, 1978
  5. ↑ "HP Terminals". http://www.sieler.com/hp_terminals.html. Retrieved October 23, 2015. 
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