On the night of his disappearance, Kevin and Sam have a conversation in Sam's bedroom where an Macintosh Plus lies unused in the background.
Year of feature (shown above)
I never saw the movie, at first i thought he used it a daily computer, then i heard it was set in 1989
is it possible that Kevin and Sam were having a conversation, instead of a conversion?
It certainly is possible, yes. I'll fix it when I get home from the holidays.
Flynn's lab also features four DEC RA81 disk drives and a DEC TU81 tape drive, but sadly no visible CPU (it'd be something like a PDP-11/44).