Atari CoJag

The Atari CoJag is an arcade board released in 1995 by Atari Games (a then-subsidiary of Time Warner Interactive that licensed the console hardware to be used for arcade cabinets) before Atari Corporation's reverse merger with JT Storage and based on the Atari Jaguar chipset. It features nearly identical hardware which doesn't differ from that of the console except in case of its system processor, where the standard 13.825 MHz Motorola 68000 is replaced by either the 25 MHz Motorola 68020 (used for boards with the game Area 51 and the first revision of Area 51/Maximum Force Duo) or the 33 MHz MIPS R3000 (used for the boards with the 2nd revision of Area 51/Maximum Force Duo and elsewhere), and the extended RAM coming for games (the Atari Jaguar features 2 megabytes of RAM whereas the Atari CoJag uses 4 megabytes for Area 51 and 6 megabytes for Maximum Force) and the 64-bit ROM bus (the Jaguar features the 32-bit one). The arcade board is composed from the chipset and hard drive with an HDD (1 gigabyte for Area 51 and 2 gigabytes for Maximum Force) that features a game (except in case of the leaked prototype games which only exist with ROMs), and a JAMMA wiring harness. Compact Flash-To-IDE boards could be used by modders instead of HDDs. Whilst the CoJag is a modified console board, it's essentially merely an Jaguar as it could have been (4 megabytes of RAM were also used in Jaguar prototypes, and they were tested with the Motorola 68000 and Motorola 68030 as the CPU before being scaled down to 2 megabytes and the Motorola 68000 correspondingly for the final design of the console[1]). Interestingly, unmodified boards also used as the main controller for kiddie rides by Carousel International, which are no longer manufactured: Speedster II, Skycopter II, and SpaceGuy (never released), but could have been previously spotted in Chuck E. Cheese pizza parlors (founded by Atari's co-founder Nolan Bushnell). All the rides were programmed by Mario Perdue, who wrote Breakout 2000.[2] Also, the CoJag supports 2 light guns instead of 1 supported by the Jaguar.