Overview of Drive mainboards
| Model main PCB id nr. | Model | Schematics | Released |
|---|---|---|---|
| 1540008-01 | 1540 | 1540001-01 | 1982 |
| 1540008-03 | 1541 | 1540001-01 | 1982 |
| 1540008 | 1540/1541 | 1540001-01 | 1982 |
| 1540048-01 | 1541-CR (ALPS drive) | 1540049 | |
| 1540048-03 | 1541-CR (Newtronics drive) | 1540049 | |
| 1540050 | 1541-CR | 1540049 | |
| 250442-02 | 1541 A | 251748 | |
| 250446-01 | 1541 A-2 | 251748 | |
| 250448-01 | 1541 B | ||
| 340503-01 | 1541-II | 355207 | 1988 |
| 340503 | 1541-II | 1988 | |
| 250449 | 1551 | 251860-01 | 1984 |
| 250453 | 1551 interface | 251925-01 | 1984 |
| 310420-01 | 1570 | 1985 | |
| 310420-01 | 1571 | 1985 | |
| 250471-01 | 1581 | 252380 | 1987 |