| Short name | Description | Year | Manufacturer | Runnable | Parent |
|---|---|---|---|---|---|
| bcs3 | BCS 3 rev 2.4 | 1984 | Eckhard Schiller | Yes | |
| bcs3a | BCS 3 rev 3.1 29-column | 1986 | Eckhard Schiller | Yes | bcs3 |
| bcs3b | BCS 3 rev 3.1 40-column | 1986 | Eckhard Schiller | Yes | bcs3 |
| bcs3c | BCS 3 rev 3.2 | 1986 | Eckhard Schiller | Yes | bcs3 |
| bcs3d | BCS 3 rev 3.3 | 1986 | Eckhard Schiller | Yes | bcs3 |