The Quadram Quadcolor is a

graphics card A graphics card (also called a video card, display card, graphics accelerator, graphics adapter, VGA card/VGA, video adapter, display adapter, or colloquially GPU) is a computer expansion card that generates a feed of graphics output to a displa ...

for

IBM PC The IBM Personal Computer (model 5150, commonly known as the IBM PC) is the first microcomputer released in the List of IBM Personal Computer models, IBM PC model line and the basis for the IBM PC compatible ''de facto'' standard. Released on ...

computers by

Quadram Corporation CoreCard Corporation is an American financial technology company based in Norcross, Georgia. Before 2021, the company was named Intelligent Systems Corporation and once sold portable computers, video terminals, expansion cards, and other periphe ...

, first sold in 1983. It is a superset of the then-current CGA standard, using the same monitor standard (

4-bit 4-bit computing is the use of computer architectures in which integer (computer science), integers and other data (computer science), data units are 4 bits wide. 4-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures a ...

digital TTL RGBI monitor or

NTSC NTSC (from National Television System Committee) is the first American standard for analog television, published and adopted in 1941. In 1961, it was assigned the designation System M. It is also known as EIA standard 170. In 1953, a second ...

composite Composite or compositing may refer to: Materials * Composite material, a material that is made from several different substances ** Metal matrix composite, composed of metal and other parts ** Cermet, a composite of ceramic and metallic material ...

video) and providing the same pixel resolutions.

Description

The Quadcolor has twice the memory of a standard CGA board (32k, compared to 16k), and offers a mode with two freely definable colours. If used with the Quadcolor II enhancement board, the additional memory can be used in graphics modes to double the

color depth Color depth, also known as bit depth, is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel. When referring to a pixel, the concept can be defined as bit ...

, allowing for two additional graphics modes — resolution with 136 colors, or resolution with 16 colors. This card is supported by ''Dr. Halo II'' and '' Turbo Pascal Graphix Toolbox''.

Models

* Quadram Quadcolor I * Quadram Quadcolor II

Output capabilities

Quadram Quadcolor I offers the following modes: * with 4 colors (standard CGA mode) * with 2 colors (from a 4-bit RGBI hardware palette) With the Quadcolor II enhancement board, Quadram Quadcolor offers the following modes: * with 136 colors (obtained from a mix of two 16 color palettes) * with 16 colors ( 4-bit RGBI hardware palette).

References

External links

Quadram Quadcolor I and II Drivers

Quadram Quadcolor I – Operation Manual

Quadram Quadcolor II – Operation Manual

Quadram Quadjet manual
{{compu-hardware-stub Computer display standards Graphics cards Computer-related introductions in 1983

Description

Models

Output capabilities

See also

References

External links