ZyMOS Corporation was a semiconductor manufacturing company located in Sunnyvale, California. ZyMOS mainly designed and produced VGA integrated circuits.
On 1987 ZyMOS introduced a POACH (PC-On-A-Chip) 82x3x multifunction peripheral series, a virtually first chipset for cloning IBM AT. Intel soon licensed this chipset to support Intel 80286 sales.
ZyMOS changed its name to Appian Technology Inc. on November 1, 1990.
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