The Atari TT (or TT030) is a personal computer produced by the firm Atari. Presented as the successor to the Atari ST. It was based on the microprocessor Motorola 68030 with the design and power of a workstation with a separate keyboard rather than a family computer as ST. The TT should leave in the first place in 1988, but it n'apparut not on the market before 1990. It was not really a commercial success.
The abbreviation 'TT' come from English Thirtytwo-Thirtytwo (32-32), as the abbreviation 'ST' which comes from English Sixteen-Thirtytwo (16-32), the numbers referring to the number of bits of computer data bus and registers the microprocessor.