[3][4]: 12 All models in the MBC-550 series featured pizza-box-style cases and Intel 8088 microprocessors and run versions of MS-DOS.
[9] The diskette format (FM rather than MFM) used is not completely compatible with the IBM PC, but special software on an original PC or PC/XT (but not PC/AT) can read and write the diskettes, and software expecting a standard 18.2 Hz clock interrupt has to be rewritten.
Its inability to use much PC software was a significant disadvantage; [6] InfoWorld reported in August 1985 that Sanyo "has initiated a campaign to sell off" MBC-550 inventory.
In late March 1984, Sanyo reached an agreement with Intel to manufacture the 8088 in Japan as a second source, prompted by a widespread chip shortage at the time.
A typical issue includes news, reviews, how-to's, technical advice and education, tips and tricks, as well as BASIC language programs that one could type in and adapt to suit one's needs.