Crt Vga Controller - Teknor Industrial Computers TEK-AT4LVG Technical Reference Manual

10.02 CRT VGA CONTROLLER

The TEK-AT4LVG's single-chip video controller from CIRRUS LOGIC is the
CL-GD5430, 5434 or 5440 VGA controller.
The TEK-AT4LVG works with both color and monochrome VGA/SVGA displays.
However, since the video controller outputs only analog signals for CRT display, it will
not drive TTL level signals. This means it does not function with Hercules, CGA and
EGA monitors. While programs written for other resolutions (e.g., CGA and EGA) will
operate on VGA monitors, the TEK-AT4LVG will not drive non-VGA monitors.
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The video controller supports CRT terminals with resolution of up to 1024 768 (256
colors). It is compatible with CGA, EGA, Hercules, MDA, VGA and SVGA monitors.
Installing Video 10-3