Grid Single
Micro-Professor MPF-II #2
CPU: 6502@1MHz RAM: 64K ROM: 16K Year: 1982 Sound: 1ch 8 octaves Graphics: 280x192:8 colors
Additional information can be found at http://www.old-computers.com/museum/computer.asp?st=1&c=276 and https://en.wikipedia.org/wiki/Microprofessor_II