TOSHIBA | ‘99/06/26 Version 1.0 |
12.3 Mode select headers functions
By inserting the jumper wire to the mode select headers , each kind of operation mode is made.
Mode select
Mode Select Headers
CD Audio
Connector
Pin No. 1 2 3 4 5 6 7 8
Interface Connector
Pin No. | Functions | Setting at shipping |
1 | SCSI ID1 (LSB) | Open |
2 | SCSI ID2 | Open |
3 | SCSI ID4 (MSB) | Short |
4 | PARITY CHECK | Open |
5 | VERIFY | Open |
6 | ONE LUN/TWO LUN | Open |
7 | Reserved | Open |
8 | Termination | Open |
12.3.1 SCSI ID setting
Pin 1 | Pin 2 | Pin 3 | Pin 4 |
ID1 | ID2 | ID3 | ID4 |
Open | Open | Open | 0 |
Short | Open | Open | 1 |
Open | Short | Open | 2 |
Short | Short | Open | 3 |
Open | Open | Short | 4 |
Short | Open | Short | 5 |
Open | Short | Short | 6 |
Short | Short | Short | 7 |
12.3.2 Parity check setting
Pin 4 | Functions |
Open | Data parity check enable. |
Short | Data parity check disable. |
12.3.3 VERIFY setting
•Verify setting function is effective to WRITE command only.
•The RAM disc
Pin 5 | Functions |
Open | The drive verifies the written data, on the media |
| after the write operation. Writing speed is lower, |
| but data reliability is better. |
Short | The drive does not verify the written data after the |
| write operation. The drive cannot detect the |
| defect on the media, but Writing speed is higher. |
Page 24 | Product Specification |
