In 1978 Percom established a double-density layout standard which all other manufacturers of Atari-compatible disk drives such as Indus, Amdek, and Rana—except Atari itself—followed.
Atari | DOS | MS-DOS | Atari ST | John Dos Passos | Atari 2600 | Atari 8-bit family | São José dos Campos | Campos dos Goytacazes | Atari Lynx | Atari Jaguar | Plaza Dos de Mayo | Junior dos Santos | Graciano dos Santos Neves | Dos Pueblos High School | Dos Hermanas | Angra dos Reis | Universidade do Vale do Rio dos Sinos | Un, dos, tres... responda otra vez | José Eduardo dos Santos | Augusto dos Anjos | Atari Games | Atari Falcon | Ary dos Santos | Sergio Claudio dos Santos | Pau dos Ferros | Nezinho dos Santos | La Unión District, Dos de Mayo | Kousuke Atari | Isabel dos Santos |