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This card uses Cirrus Logic CL-GD5420 for DOS, the second chip is actually made by LSI, it works in MS Windows in high resolutions only after driver installation.
This card was able to handle screen resolution up to 1600x1200@60Hz. No 3D-acceleration capabilities. Card has a low range of supported systems, if your system is not supported it won't start or you will wait for up to 60 second for VGA-BIOS initialization.