SCSI: standard e velocita’

• Ampiezza del bus: Narrow (8 bits, 8 periferiche), Wide (16 bits, 16 periferiche).

• Velocita’ del bus: Regular, Fast, Ultra.

• Standard:

  • SCSI 1: ANSI 1986, prime specifiche; bus solo Narrow Regular (5 MB/s).
  • SCSI 2: ANSI 1990; Fast; Wide; 10MB/s; terminazioni attive.
  • SCSI 3 : Ultra, Serial SCSI (Firewire) 400 e 600 MHz.

• Ultra2 SCSI: diverso signalling (LVD) fino a 80MB/s.

• Ultra 3 SCSI: fino a 160MB/s (320MB/s)

Note: