Video Graphics Array
E699608
Video Graphics Array is an IBM-developed analog computer display standard introduced in 1987 that became the widely adopted baseline for PC graphics and monitor connections.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
IBM product
ⓘ
analog video interface ⓘ computer display standard ⓘ |
| abbreviation | VGA ⓘ |
| alsoRefersTo | 15-pin analog video connector on PCs ⓘ |
| backwardCompatibilityWith |
CGA text modes
ⓘ
EGA text modes ⓘ |
| became |
baseline compatibility mode for later graphics adapters
ⓘ
de facto standard for PC graphics ⓘ |
| colorDepth |
4-bit at 640×480
ⓘ
8-bit at 320×200 ⓘ |
| colorEncoding | RGB ⓘ |
| commonUsePeriod |
1990s
ⓘ
late 1980s ⓘ |
| connectorGender | female on graphics adapter ⓘ |
| connectorPins | 15 ⓘ |
| connectorType | DE-15 ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| developer | IBM ⓘ |
| horizontalScanFrequency | 31.5 kHz ⓘ |
| inception | 1987 ⓘ |
| influenced |
PC monitor design
ⓘ
multisync CRT monitor standards ⓘ |
| introducedWith | IBM PS/2 line of personal computers NERFINISHED ⓘ |
| maxColorsAt320×200 | 256 colors ⓘ |
| maxColorsAtMaxResolution | 16 colors ⓘ |
| maxResolutionStandardMode | 640×480 pixels ⓘ |
| memoryArchitecture |
packed-pixel for 256-color mode
ⓘ
planar for text and some graphics modes ⓘ |
| predecessor |
Color Graphics Adapter
NERFINISHED
ⓘ
Enhanced Graphics Adapter NERFINISHED ⓘ |
| scanType | non-interlaced ⓘ |
| signalLines |
blue video
ⓘ
green video ⓘ ground ⓘ horizontal sync ⓘ red video ⓘ vertical sync ⓘ |
| standardizedByUsage | IBM PC compatible industry ⓘ |
| successor |
Super VGA
NERFINISHED
ⓘ
XGA NERFINISHED ⓘ |
| syncType | separate horizontal and vertical sync ⓘ |
| typicalVRAMSize | 256 KB ⓘ |
| usedIn |
IBM PS/2 Model 50
NERFINISHED
ⓘ
IBM PS/2 Model 60 NERFINISHED ⓘ IBM PS/2 Model 80 NERFINISHED ⓘ |
| verticalRefreshRate | 60 Hz ⓘ |
| videoSignalType | analog ⓘ |
| voltageLevel | 0.7 V peak-to-peak for video signals ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.