Hitachi MB-H70
This page was last modified 19:04, 13 April 2019 by Rderooy. Based on work by Gdx and Mars2000you.



The MB-H70 computer is very similar to Model 2 of the Mitsubishi ML-G30 machine : 2 drives, separate keyboard, but the RS-232C interface with switch and some connectors (external disk drive, expansion unit) have been removed.

Brand Hitachi (Manufacturer: Mitsubishi)
Type MB-H70
Year 1986
Region Japan
Original price ¥138,000
RAM 128kB (? in slot 3-2)
VRAM 128kB
Media MSX cartridges, 2DD floppy disks
Video Yamaha V9938
Audio PSG (YM2149 integrated in MSX-Engine S1985)
Chipset Yamaha S1985
Extras Third cartridge slot, Reset button, Kanji-ROM level 1, two 720kB 3,5" floppy disk drives


Hitachi MB-H70
Hitachi MB-H70 PCB
Hitachi MB-H70 inside
Hitachi MB-H70 reset button
Hitachi MB-H70 manuals (only the 3 first manuals on this picture)
Hitachi MB-H70 back
Hitachi MB-H70 right side


The MB-H70 is a MSX2 with three cartridge slots (1 external in front and 2 internal in back), a Z80A from NEC (D780C-1) and an MSX-Engine S1985 from Yamaha.