A SCSI Peripheral Device Type is a way of describing what capabilities are provided by a SCSI device. It is a five-bit field which can be found in the Standard Inquiry Data provided in response to a Request Sense command. This field was defined in the very early days of SCSI and is now too small. The possible values are: SCSI stands for Small Computer System Interface, and is a standard interface and command set for transferring data between devices on both internal and external computer buses. ... The SCSI Request Sense command is used to obtain sense data (error information) from a target device. ... The SCSI Request Sense command is used to obtain sense data (error information) from a target device. ...

• • 00h - direct-access device
  • 01h - sequential-access device (e.g., magnetic tape)
  • 02h - printer
  • 03h - processor device
  • 04h - write-once device
  • 05h - CDROM
  • 06h - scanner
  • 07h - optical memory device
  • 08h - medium Changer (e.g. jukeboxes)
  • 09h - communications device
  • 0Ah-0Bh - defined by a non-SCSI standard
  • 0Ch - Storage array controller device
  • 0Dh - Enclosure services device
  • 0Eh - Simplified direct-access device
  • 10h - Reserved for bridging expanders
  • 11h-1Eh - reserved
  • 1Fh - unknown or no device type