| Machine S/N Base | Machine S/N First | Machine S/N Last |
|---|---|---|
| PC650-3 | A15001 | A25000 |
| PC650LC-3 | 10501 | 20000 |
| PC650LC-3 | A20001 | A25000 |
| PC650SE-3 | 10501 | 20000 |
| PC650-5 | 20001 | UP |
| PC650-5 | A25001 | UP |
| PC650LC-5 | 20001 | UP |
| PC650LC-5 | A25001 | UP |
| PC650SE-5 | 20001 | UP |
| PC650SE-5 | A25001 | UP |
| PC650-3 | 10501 | 20000 |