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== Hardware == * '''Motorola MC6845 CRTC''' โ same timing chip as CGA, programmed for 18.432 kHz horizontal / 50 Hz vertical. * '''4 KB video RAM.''' * '''Character ROM''' carrying the IBM MDA font in a 9 ร 14 cell. * '''TTL output''' on DB-9 (drives the [[IBM 5151]]). * '''Centronics parallel port''' on DB-25 โ LPT1 by default.
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