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- IBM_5151 abstract "The IBM 5151 was a 12" transistor–transistor logic (TTL) monochrome monitor, shipped with the original IBM Personal Computer.It only produced green colors because it used P39 phosphor. IBM designed its MDA monochrome display system to deliver extremely well-formed characters for the time. The monitor was meant to be hooked up to an IBM Monochrome Display Adapter which had no graphics modes at all, and only supported the 80 x 25 text mode, using 9 x 14 pixels per character. The Hercules Graphics Card had its resolution designed around this monitor, allowing cheap high-resolution PC graphics, and some people also used 5151 monitors with CGA or EGA boards for their mono modes.The monitor has a 11.5-inch wide CRT (measured diagonally) with 90 degrees deflection that is etched to reduce glare. The monitor uses TTL digital inputs through a 9-Pin D-shell connector. It is also plugged into the female AC port on the IBM PC power supply, and thus did not have a power switch of its own.The IBM monochrome monitor had a resolution of 350 horizontal lines and a 50 Hz refresh rate. IBM got around the problem of display flicker by using high-persistence P39 phosphor that retain energy for a long period of time as the electron beam draws the image on-screen. However, this creates a detrimental effect of smearing when the displayed image changes rapidly, or "tails" associated with moving images.Although the monitor was generally reliable, it was recognised that in the rare cases where failures did occur, the monitor's TFB648 high voltage transformer ('flyback transformer') was the most common cause.".
- IBM_5151 thumbnail 5151_monochrome_monitor.jpg?width=300.
- IBM_5151 wikiPageExternalLink ibm5151monitor.html.
- IBM_5151 wikiPageID "16959545".
- IBM_5151 wikiPageRevisionID "570028186".
- IBM_5151 hasPhotoCollection IBM_5151.
- IBM_5151 subject Category:IBM_display_devices.
- IBM_5151 comment "The IBM 5151 was a 12" transistor–transistor logic (TTL) monochrome monitor, shipped with the original IBM Personal Computer.It only produced green colors because it used P39 phosphor. IBM designed its MDA monochrome display system to deliver extremely well-formed characters for the time. The monitor was meant to be hooked up to an IBM Monochrome Display Adapter which had no graphics modes at all, and only supported the 80 x 25 text mode, using 9 x 14 pixels per character.".
- IBM_5151 label "IBM 5151".
- IBM_5151 label "IBM 5151".
- IBM_5151 sameAs IBM_5151.
- IBM_5151 sameAs m.0413fgj.
- IBM_5151 sameAs Q4889171.
- IBM_5151 sameAs Q4889171.
- IBM_5151 wasDerivedFrom IBM_5151?oldid=570028186.
- IBM_5151 depiction 5151_monochrome_monitor.jpg.
- IBM_5151 isPrimaryTopicOf IBM_5151.
