M
- MCP (128K, Z80, S-100 bus)
- Megatel Quark
- Memotech MTX
- Microbee
- Micro Craft Dimension 68000
- Micromation M/System, Mariner and MiSystem
- Micromint SB180 (Hitachi HD64180 CPU)
- Morrow Designs (MD2, MD3, MD11)
- MSX (some MSX-standard machines ran the CP/M-like MSX-DOS)
- Mycron 3
Read more about this topic: List Of Machines Running CP/M