IBM PS/2 Model 50/70 in Cheers - Season 8, Episode 19, "Indoor Fun with Sammy and Robby" (1990)
Sam colludes with Norm and Pete to cheat in the chess game using Rebecca's PS/2.
![](/snapshots/cheers_s8e19_ps2.jpg)
Sam colludes with Norm and Pete to cheat in the chess game using Rebecca's PS/2.