Retrogame RS-97 has four types of systems revisions soon.

[A] JZ4760 master v1.0 first production units

[B] JZ4760 master + AUO screen, formerly produced v2.0 old
 

[C] JZ4760 master + group creation invasive screen, now being produced v2.1 New
 

[D] JZ4760B master + group creation innolux screen, will produce in the future v2.2 Imminent.