HP-85 personal computer, 1980
The HP-85 personal computer was a totally self-contained, portable system for the technical professional or the beginning small-computer user. The HP-85 was based on an 8-bit microprocessor and combined an alphanumeric keyboard, CRT screen, thermal printer tape drive unit, user read/write memory and a ROM operating system in one portable package. It had 32K ROM and 16K RAM.
The HP-85 was HP's first entry into the personal computer marketplace.