Gran Trak 20
|Gran Trak 20|
|Arcade system(s)||Discrete Logic|
Atari's codename for this game was: Race Track 2.
gregf had PCB, sent to siftware and was dumped.
Seen both 08/1974 and 09/1974 as dates for this.
PCBs: A001791 (RT20 main), A001793 (A20 digital). (Revisions: Rev. D...).
ROM: #74186 Racetrack Prom (K5). (Electronic Arrays EA4800 16K (2048 x 8) Read Only Memory (ROM)).
Manual: TM-004 GRAN TRAK 20/TRAK 20, Operating and Maintenance Manual.
gregf has manual with schematics. andys-arcade has Gran Trak 20 Atari tons of customer service bulletins, as well as the manual with schematics.
andys-arcade also has both PCBs.