Disk Drive........PN51G8237   FFC981

                                    ____________________________
                                   |Addr|Jmpr1-2|Jmpr3-4|Jmpr5-6|
                                   |____|_______|_______|_______|
                                   | 0  |  Off  | Off   |  Off  |
              J6                   | 1  |  On   | Off   |  Off  |
              ________________     | 2  |  Off  | On    |  Off  |
             |  9  7  5  3  1 |    | 3  |  On   | On    |  Off  |
             |  o  o  Û  Û  o |    | 4  |  Off  | Off   |  On   |
             |  o  o  Û  Û  o |    | 5  |  On   | Off   |  On   |
             | 10  8  6  4  2 |    | 6  |  Off  | On    |  On   |
             |________________|    |____|_______|_______|_______|