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IBM Options and Adapters - IBM Monochrome Display

From RetroTechCollection

The IBM Monochrome Display is a section of IBM's Technical Reference: Options and Adapters in the Personal Computer Hardware Reference Library, part number 6361474. It gives IBM's description, specifications and schematics for the IBM 5151 monitor sold with the original IBM PC. The scan is 12 pages.

Contents

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  • Description (pp. 1-2). The display has two cables: a signal cable from the display adapter and a power cable from the system unit, so the system unit's power switch controls the display. It has a 28.3 cm (11.5 in) diagonal, 90-degree deflection CRT with P39 high-persistence green phosphor and an etched anti-glare surface, and brightness and contrast controls on the front. It shows 80 characters by 25 rows in a 9 by 14 PEL character cell. Video bandwidth is 16.257 MHz at −3 dB; the screen refreshes at 50 Hz with 350 lines of vertical and 720 lines of horizontal resolution; horizontal drive is TTL at 18.432 kHz.
  • Specifications (p. 3): 280 mm high, 380 mm long, 350 mm deep; 7.9 kg; 325 BTU/hr; 0.914 m 18 AWG power cable and 1.22 m 22 AWG signal cable.
  • Logic diagrams (from p. 5), one for the 110 V ac model and one for the 220/240 V ac model.

What this document does not contain

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There is no parts list and no adjustment or fault-finding procedure. Component values are printed on the schematics.

Download: IBM Options and Adapters - IBM Monochrome Display (5151).pdf

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