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There were three models of 2260. Model 1 displayed 240 characters, formatted as six rows of forty characters. Model 2 displayed 480 characters, formatted as twelve rows of forty characters. Model 3 displayed 960 characters, formatted as twelve rows of eighty characters. A model without a keyboard was
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216:. The delay line was an unusual mechanical (not electrical) spiral wire with an electromagnet on one end and a torsion rotation detector on the other (which was conceptually similar to a phonograph needle pickup). The central controller system vibrated the electromagnet like an audio-speaker
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of screen images would be lost on all of the video displays, which would then be repeated continuously through the feedback loop until a new video display was transmitted to all of the connected terminals.
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One effect of the 2848 delay line was that if a heavy person walked next to the controller, or if it was mounted next to a vibration source (like an elevator),
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attached to an IBM 2845 is a less expensive equivalent to a 2260 attached to a 2848, for users who do not require more than one terminal.
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The IBM 2260 and 2265 as well as the IBM 2848 were unusual in their usage of the approved, but never published 1965 revision of the
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format. The IBM 2260 and successor devices were transitional punch-card-to-CRT computer hardware that inspired many
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Monochrome CRT; Text display; 40x6 characters (Model 1), 40x12 characters (Model 2) and 80x12 characters (Model 3)
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device or as a remote device at up to 2400 bit/s. An optional adapter allowed the attachment of one
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were vertical – they went from top to bottom rather than the more common left to right.
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IBM System/36D Component
Description: IBM 2265 Display Station Modell IBM 2845 Display Control
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available for display-only applications. The eighty character width corresponded to IBM
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IBM System/360 Component
Description: IBM 2260 Display Station IBM 2848 Display Control
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IBM System/360 Component
Description: IBM 2260 Display Station IBM 2848 Display Control
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IBM Field
Engineering Theory Of Operation 2260 Display Station • 2848 Display Control
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lines and sent to the nearby CRT display. The IBM 2848 delay line was a continuous
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terminal line which eventually was extended to support color text and graphics.
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The 2848 stored the digital image of screens of information in an
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chips, the technology was based on discrete-component individual
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400:" by Frank da Cruz, 2021, Columbia University Computing History
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from the original on
January 19, 2024 – via bitsavers.
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from the original on
December 4, 2023 – via bitsavers.
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Display
Control. The controller could function as a local
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Up to twenty-four 2260 terminals were clustered around an
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which was shared by all displays attached to the 2848.
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340:. The Systems Programming Series (1 ed.).
334:Coded Character Sets, History and Development
39:International Business Machines Corporation (
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159:authors to write about the potential of the
135:was a 1964 predecessor to the more-powerful
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212:memory, which was too expensive for use in
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69:Discrete-component individual transistors
342:Addison-Wesley Publishing Company, Inc.
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434:History of human–computer interaction
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170:with the unusual property that the
368:from the original on May 26, 2016.
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331:Mackenzie, Charles E. (1980).
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196:. Before the introduction of
398:The IBM 2260 Display Station
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304:IBM Corporation (1968).
277:IBM Corporation (1969).
111:IBM 2848 Display Control
424:Block-oriented terminal
214:video display terminals
131:(Display Station) plus
30:IBM 2260 video terminal
429:Multimodal interaction
414:IBM computer terminals
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129:video display terminal
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77:(Acoustic delay line)
157:office of the future
419:IBM display devices
206:Mainframe computers
194:acoustic delay line
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198:integrated circuit
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226:electromechanical
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161:paperless office
125:cathode-ray tube
51:Model 1, 2 and 3
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377:External links
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168:raster display
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56:Release date
36:Manufacturer
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222:raster scan
202:transistors
408:Categories
264:References
218:voice coil
172:scan lines
153:punch card
119:monochrome
256:standard
98:Successor
363:Archived
359:77-90165
315:Archived
288:Archived
247:IBM 2265
229:feedback
179:IBM 2848
146:IBM 2260
137:IBM 3270
133:keyboard
122:IBM 2260
102:IBM 3270
93:Keyboard
19:IBM 2260
236:digital
108:Related
82:Display
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231:loop.
127:(CRT)
74:Memory
366:(PDF)
338:(PDF)
318:(PDF)
311:(PDF)
291:(PDF)
284:(PDF)
254:ASCII
208:used
90:Input
355:LCCN
345:ISBN
245:The
239:bits
59:1964
65:CPU
41:IBM
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