IBM 5151
The IBM 5151 is a 12" transistor–transistor logic (TTL) monochrome monitor, shipped with the original IBM Personal Computer for use with the IBM Monochrome Display Adapter.[1] A few other cards were designed to work with it, such as the Hercules Graphics Card.
The monitor has an 11.5-inch wide CRT (measured diagonally) with 90 degree deflection, etched to reduce glare, with a resolution of 350 horizontal lines and a 50 Hz refresh rate. It 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 5151 uses the P39 phosphor type, producing a bright green monochrome image intended for displaying high-resolution text.[2] This phosphor has high persistence, which decreases display flicker but causes smearing when the image changes.[3]
Specifications[]
| Type | Digital, TTL[2] |
|---|---|
| Resolution | 720 x 350 |
| Size | 11 in (H) x 15 in (L) x14 in (D)[2] |
| Weight | 12.5 lbs[2] |
| Heat output | 95.2 W[2] |
| H-freq | 18.432 kHz[2] |
| V-freq | 50 Hz[2] |
References[]
- ^ "The IBM XT LIVES!!". Forbes.com. Archived from the original on 2001-07-12. Retrieved 2008-11-16.
- ^ a b c d e f g IBM Monochrome Display user manual
- ^ Bottles full of nothing, by Steve Gibson, InfoWorld, 11 Jun 1984
External links[]
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