Graphics
IBM PC display adapter
A display adapter for the original IBM PC family: it generates text and raster video but has no programmable floating-point shading hardware.
- Manufacturer
- IBM
- Architecture
- MDA/CGA-era display adapter
- Introduced
- 1981
- Record status
- provisional
Figures
2 documented absences
| Metric | Value | Evidence | Basis | Method | Source |
|---|---|---|---|---|---|
| Clock frequency gpu provisional | unknown MDA and CGA boards use distinct timing crystals; this display-adapter class has no one GPU clock. | Not stated | Vendor-rated | Nominal clock Stated by the vendor This figure remains provisional until the cited source is corroborated for the exact configuration. | |
| Peak FP32 rate gpu provisional | not applicable These raster and text display adapters have no floating-point execution hardware. | Not stated | Vendor-rated | Theoretical peak Stated by the vendor This figure remains provisional until the cited source is corroborated for the exact configuration. |
Fitted to
Editorial notes
The representative PCs use period-appropriate display adapters rather than treating the CPU as a graphics device. Individual board clock grades are deliberately not collapsed into a fictitious single GPU clock.