Re: PDP-11/20 vd one that just says pdp 11 what are the date differences?? OEM?

[Michael Thompson]

The PDP-11 at the RICM says "dec pdp 11" on the system configuration paper
label on the back, and "M11 15" and "4720" on the metal tag. Unfortunately
it has an OEM front panel.

-- 
Michael Thompson