Quadram Quadcolor
The Quadram Quadcolor is a graphics card for IBM PC computers by Quadram Corporation, first sold in 1983. It is a superset of the then-current CGA standard, using the same monitor standard (4-bit digital TTL RGBI monitor or NTSC composite video) and providing the same pixel resolutions.
| Release date | 1983 |
|---|---|
| Manufactured by | Quadram Corporation |
| Cards | |
| Entry-level | Quadram Quadcolor I |
| High-end | Quadram Quadcolor II |
| History | |
| Predecessor | CGA |
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