| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| acrnsys2 | Acorn System 2 | 1980 | Acorn Computers | Yes | acrnsys3 |
| acrnsys3 | Acorn System 3 (6502 CPU) | 1980 | Acorn Computers | Yes | |
| acrnsys3_6809 | Acorn System 3 (6809 CPU) | 1980 | Acorn Computers | Yes | acrnsys3 |
| acrnsys4 | Acorn System 4 | 1980 | Acorn Computers | Yes | acrnsys3 |
| acrnsys5 | Acorn System 5 | 1982 | Acorn Computers | Yes |