to buy Atari's consumer electronics and home computer divisions. Negotiating until close to midnight on July 1, 1984, Jack Tramiel purchased the home computing and game console divisions of Atari for $240 million in promissory notes and stocks. Warner gained a 20% stake in Tramel Technologies, which was renamed Atari Corporation. Warner retained the arcade division, continuing it under the name Atari Games, but sold it to Namco in 1985. Warner also sold the Ataritel division to Mitsubishi. Atari Corporation (1984–1996) Under Tramiel's ownership, Atari Corp. used the remaining stock of game console inventory to keep the company afloat while they finished development on a 16/32-bit computer system, the Atari ST. ("ST" stands for "sixteen/thirty-two", referring to the machines' 16-bit bus and 32-bit processor core.) In April 1985, they released an update to the 8-bit computer line, the Atari 65XE, the first in the Atari XE series. June 1985 saw the release of the Atari 130XE; Atari User Groups received early sneak-preview samples of the new Atari 520ST's, and major retailer shipments hit store shelves in September 1985 of Atari's new 32-bit Atari ST computers. In 1986, Atari launched two consoles designed under Warner — the Atari 2600jr and the Atari 7800 console (which saw limited release in 1984). Atari rebounded, earning a $25 million profit that year. In 1987, Atari acquired the Federated Group for $67.3 million, securing shelf space in over 60 stores in California, Arizona, Texas and Kansas at a time when major American electronics outlets were reluctant to carry Atari-branded computers, and two-thirds of Atari's PC production was sold in Europe. The Federated Group (not related to Federated Department Stores) was sold to Silo in 1989. In 1988, the company unveiled the 1040STF and the Mega ST with a bit image manipulator chip, and launched its first parallel computer. The ATW-800 Transputer was based on the Inmos T800 CPU, which had a 32/64-bit architecture, ran at 15 million instructions per second (MIPS) and housed a Charity videochip that supported 16 million colors. The company continued to experiment with parallel computing aiming at B2B customers and graphic designers, but the transputer line failed to achieve commercial success. In 1989, Atari released the Atari Lynx, a handheld console with color graphics, to much fanfare. A shortage of parts kept the system from being released nationwide for the 1989 Christmas season, and the Lynx lost market share to Nintendo's