Portable II was developed by Compaq., Released in 1986 Released in 1986 at a price of US$3499, the Portable II was much improved upon its predecessors.
Poly-88 was developed by PolyMorphic Systems., Released in 1976 Other Informations: The Poly-88 board set consisted of the following: CPU with an Intel 8080 chip, and an 8251 USART for serial communication to a modem, printer, or cassette tape interface. [...]