Quadram Quadcolor

Last updated
Quadram Quadcolor
Release date1983;42 years ago (1983)
Manufactured by Quadram Corporation
Cards
Entry-levelQuadram Quadcolor I
High-endQuadram Quadcolor II
History
Predecessor CGA
Quadram Quadcolor I in 640 x 200 x 2 colors (aspect ratio corrected) 640x200 2c ar corrected.png
Quadram Quadcolor I in 640 × 200 x 2 colors (aspect ratio corrected)
Quadram Quadcolor II in 320 x 200 x 136 colors (aspect ratio corrected) Quadram Quadcolor II 320 x 200 with 136 colors AR.png
Quadram Quadcolor II in 320 × 200 x 136 colors (aspect ratio corrected)
Quadram Quadcolor II in 640 x 200 x 16 colors (aspect ratio corrected) 640x200 16c ETGA ar corrected.png
Quadram Quadcolor II in 640 × 200 x 16 colors (aspect ratio corrected)

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] [3] and providing the same pixel resolutions.

Contents

Description

The Quadcolor has twice the memory of a standard CGA board (32k, compared to 16k), [1] [2] and offers a 640 × 200 mode with two freely definable colours. [4] If used with the Quadcolor II enhancement board, the additional memory can be used in graphics modes to double the color depth, allowing for two additional graphics modes — 320 × 200 resolution with 136 colors, or 640 × 200 resolution with 16 colors. [2] [5]

This card is supported by Dr. Halo II and Turbo Pascal Graphix Toolbox . [6] [7]

Models

Output capabilities

Quadram Quadcolor I offers the following modes: [4]

With the Quadcolor II enhancement board, Quadram Quadcolor offers the following modes: [5]

See also

References

  1. 1 2 3 "Quadcolor 1". Total Hardware 1999 – Jumper settings for 18655 devices.
  2. 1 2 3 "QUADCOLOR 1". arvutimuuseum.ee. Retrieved 2023-12-05.
  3. ↑ Longley, Dennis; Shain, Michael (1985-06-18). Expanding and Networking Microcomputers: Most Comprehensive Guide for Apple II and I. B. M.Personal Computers. Springer. p. 28. ISBN   978-1-349-07625-3.
  4. 1 2 3 Quadcolor I Operation Manual (PDF). Quadram Corporation. p. 2.
  5. 1 2 3 4 5 Quadcolor II - Operation Manual (PDF). Quadram Corporation. pp. 1, 21, 22.
  6. 1 2 3 Maltais, Sylvain (2020). "Logiciel - Dr. HALO II - Carte vidéo supporté". www.gladir.com. Retrieved 2023-12-05.
  7. 1 2 3 Turbo Pascal Graphix Toolbox (PDF). Borland International, Inc. 1985. p. 14.
  8. ↑ "Manuals – Quadram". minus zerodegrees (−0º) IBM 51xx PC Family Computers. Retrieved 2023-09-04.


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