Quadram Quadcolor
Release date1983 (1983)
Manufactured byQuadram Corporation
Designed byQuadram Corporation
Cards
Entry-levelQuadram Quadcolor I
History
PredecessorCGA
SuccessorEGA
Simulated image as displayed using Quadram Quadcolor 640 x 200 x 16 graphics resolution and color abilities, corrected for aspect ratio
Wikimedia Commons has media related to 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)[1][2] and providing the same pixel resolutions.

Description

The Quadcolor has twice the memory of a standard CGA board (32k, compared to 16k).[1][2] The additional memory can be used in graphics modes to double the color depth, giving two additional graphics modes — 136 colors at 320 × 200 resolution, or 16 colors at 640 × 200 resolution.[2]

This card is supported by Dr. Hallo II and Turbo Pascal Graphix Toolbox.[3][4]

Models

  • Quadram Quadcolor I
  • Quadram Quadcolor II[5]

Output capabilities

CGA compatible modes:

  • 320 × 200 in 4 colors from a 16 color hardware palette.

In addition to the CGA modes, it offers:

  • 320 × 200 with 136 colors
  • 640 × 200 with 16 colors

See also

References

  1. 1 2 "Quadcolor 1". Total Hardware 1999 – Jumper settings for 18655 devices.
  2. 1 2 3 "QUADCOLOR 1". arvutimuuseum.ee. Retrieved 2023-12-05.
  3. ↑ Maltais, Sylvain (2020). "Logiciel - Dr. HALO II - Carte vidéo supporté". www.gladir.com. Retrieved 2023-12-05.
  4. ↑ Turbo Pascal Graphix Toolbox (PDF). Borland International, Inc. 1985. p. 14.
  5. ↑ "Manuals – Quadram". minus zerodegrees (−0º) IBM 51xx PC Family Computers. Retrieved 2023-09-04.
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