Tseng Laboratories, Inc. (also known as Tseng Labs or TLI) was a maker of graphics chips and controllers for IBM PC compatibles, based in Newtown, Pennsylvania

Newtown, Bucks County, Pennsylvania

Newtown is a borough in Bucks County, Pennsylvania, United States. The population was 2,248 at the 2010 census. It is located just west of the Trenton, New Jersey metropolitan area, and is part of the larger Philadelphia metropolitan area. It is entirely surrounded by Newtown Township, from which...

, and founded by Jack H-N Tseng.

Founded in 1983, Tseng Labs' first product was designed to allow IBM PCs to run the CP/M

CP/M

CP/M was a mass-market operating system created for Intel 8080/85 based microcomputers by Gary Kildall of Digital Research, Inc...

 Operating System. When an OEM deal for that product was cancelled, TLI introduced a combination multifunction and graphics, called Ultrapak, which upgraded IBM PC and XT compatible computers with some features of an IBM AT.