Once I was an owner of this computer. I remember that clock speed of this computer is 750KHz. (below MHz, wow.) Double-edged clock mechanism of Motorola's 6800 brought good performance to this computer. Program exectuion speed was close to 2MHz Z80 Machine, such as Sharp's MZ-80K.
Friday 25th October 2002
Masaru Takechi (Tokyo, Japan)
MB-6880 / Basic Master and Basic Master Level 2
1978 / 1979
QWERTY full-stroke keyboard. JIS standard. 56 keys.