APR 1977 - Commodore Business Machines Inc. unveils its PET (Personal Electronic Transaction computer) computer at the West Coast Computer Faire. The PET includes a 6502 CPU, 4KB RAM, 14KB ROM, keyboard, display, and tape drive, for US$600. 

This one is:

  • Model 4032-12 
  • 32K of RAM 
  • BASIC in ROM.
  • SN = B5032200