The uNique address of a SCSI device. SCSI IDs raNge from 0 to 7 for 8-bit SCSI systems, 0 to 15 for 16-bit aNd 0 to 31 for 32-bit systems. The SCSI adaptor is usually assigNed ID 7. A device' s SCSI ID is ofteN set by switches oN the device. (1999-09-01)