Cyclone © 1988 Williams Electronics Games, Incorporated.
Williams System 11B
Model Number : 564
Main CPU : M6808 (@ 1 MHz)
Sound CPU : Motorola M6809 (@ 2 MHz), OKI M6808 (@ 1 MHz)
Sound chips : Yamaha YM2151 (@ 3.579545 MHz), (2x) DAC, (2x) HC55516
9,400 units were produced.
A duck can be seen on the backglass.