Not that many customers were buying ISA graphics cards in 1996. Thus this ought to be a special one.This might be the ISA graphics card with the most advanced VGA chip ever produced.
The CL-GD5434 is a modern 64bit chip with EDO RAM support and a comprehensive acceleration feature set. Obviously, it is sitting on a slow ISA bus so the card can’t match simpler VL-Bus designs in DOS performance. However, holds its own in Windows GUI acceleration.