| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| c1p | Challenger 1P Series 2 | 1980 | Ohio Scientific | Yes | sb2m600b |
| c1pmf | Challenger 1P MF Series 2 | 1980 | Ohio Scientific | Yes | sb2m600b |
| sb2m600b | Superboard II Model 600 (Rev. B) | 1978 | Ohio Scientific | Yes | |
| uk101 | UK101 | 1979 | Compukit | Yes | sb2m600b |