| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| quantum | Quantum (rev 2) | 1982 | General Computer Corporation (Atari license) | Yes | |
| quantum1 | Quantum (rev 1) | 1982 | General Computer Corporation (Atari license) | Yes | quantum |
| quantump | Quantum (prototype) | 1982 | General Computer Corporation (Atari license) | Yes | quantum |