Commodore Plus/4

I have the main unit (CIB).

type computer
country USA
year 1984
os Commodore basic
cpu mos 7501
speed 0.89 MHz
ram 64 KB
rom 32 KB
graphic 320 x 200
colors 121 (15)
sound  2 voice generator
ports  rgb, 2 x joystick
plugs, cartridge slot, tape, serial, user port, tv rf output