The arcade owner would insert the cassette and a security dongle (This was an early form of copy protection, to ensure the tapes would not be copied) into the cabinet.
When the cabinet was powered up, the program from the tape would be copied into the cabinet's RAMchips. This process took about two minutes. After this, the game could be played.
Main CPU: DECO 222 (@ 750 Khz)
CPU: I8041 (@ 600 Khz)
Audio CPU: MOS Technology M6502 (@ 500 Khz)
Sound Chips: (2x) AY-3-8910A (@ 1.5 Mhz)