MDA

E35355
IBM PC display adapter computer display standard video display adapter

MDA (Monochrome Display Adapter) is IBM's original text-only video display standard for early IBM PCs, providing high-resolution monochrome output without graphics capabilities.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (1)

Label Occurrences
MDA canonical 5

Statements (49)

Predicate Object
instanceOf IBM PC display adapter ⓘ
computer display standard ⓘ
video display adapter ⓘ
attributeSupport blink ⓘ
intensity ⓘ
reverse video ⓘ
underline ⓘ
busInterface ISA ⓘ
busWidth 8-bit ⓘ
characterCellResolution 9×14 pixels ⓘ
characterSetStorage ROM on adapter card ⓘ
colorSupport single-color ⓘ
compatibleWith IBM PC ⓘ
surface form: IBM PC 5150

IBM PC XT ⓘ
surface form: IBM PC XT 5160

early IBM PC compatibles ⓘ
connectorType DE-9 ⓘ
defaultTextBackgroundColor black ⓘ
defaultTextForegroundColor amber ⓘ
green ⓘ
designedFor business applications ⓘ
data entry ⓘ
text processing ⓘ
developer IBM ⓘ
displayType monochrome ⓘ
doesNotSupport bitmap graphics ⓘ
color graphics ⓘ
effectivePixelResolution 720×350 pixels ⓘ
fullName Monochrome Display Adapter ⓘ
graphicsCapability text-only ⓘ
horizontalScanFrequency 18.432 kHz ⓘ
introducedFor IBM PC ⓘ
surface form: IBM Personal Computer
introductionYear 1981 ⓘ
manufacturer IBM ⓘ
marketPosition business-oriented display adapter ⓘ
maxTextResolution 80×25 characters ⓘ
pairedMonitor IBM 5151 ⓘ
pairedMonitorType monochrome CRT monitor ⓘ
predecessor IBM 3270-style terminal displays ⓘ
primaryUseEra early 1980s ⓘ
signalType TTL digital video ⓘ
successor CGA ⓘ
EGA ⓘ
VGA ⓘ
supportsGraphicsMode no ⓘ
supportsTextMode yes ⓘ
textColumns 80 ⓘ
textRows 25 ⓘ
verticalRefreshRate 50 Hz ⓘ
videoMemorySize 4 KB ⓘ

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

IBM PC → graphicsAdapter → MDA ⓘ
IBM PC XT → graphicsAdapter → MDA ⓘ
Monochrome Display Adapter → alsoKnownAs → MDA ⓘ
IBM Color/Graphics Monitor Adapter → predecessor → MDA ⓘ
EGA → abbreviation → MDA ⓘ
subject surface form: Monochrome Display Adapter