Ultra2 SCSI – The Evolution Continues (PDF)
A White Paper Prepared by Dean Wallace of Linfinity, for the SCSI Trade Association

Scope
This white paper defines and describes the Ultra2 SCSI physical interface and discusses differential
signaling. The advantages of the parallel SCSI interface and the evolution of parallel SCSI, including
SCSI-1, Fast SCSI, Fast Wide SCSI, Ultra SCSI and Wide Ultra SCSI, are discussed.