softwarelist
| name | description | notes |
| m20 | Olivetti M20 floppies | |
|
software
| name | supported | description | year | publisher | notes | cloneof |
| pcos41a | partial | Olivetti PCOS 4.1a | 1984 | Olivetti | | |
|
rom
| name | size | crc | sha1 | offset | status | loadflag | value |
| pcos_41a.img | 286720 | f2fa9799 | 6d01e7ecc91211e588b4af3c77b972b20deee63b | | baddump | | |
| pcos_41a_tools.img | 286720 | 24936905 | d27a2cae62fd62f07dce0e3df397d2dea4c1253b | | baddump | | |
|
part
| name | interface |
| flop1 | floppy_5_25 |
| flop2 | floppy_5_25 |
|