SCSI Peripheral Device Type


A SCSI Peripheral Device Type describes the capabilities provided by a SCSI device. It is a five-bit field in the first byte returned in response to an Inquiry Command.
Defined values are:
ValueDevice typeCommand setSpecification
00hDirect-access block device SBC Direct Access CommandsSCSI Block Commands
01hSequential-access device SSC Sequential Access CommandsSCSI Stream Commands
02hPrinter deviceSSC Printer CommandsSCSI Stream Commands
03hProcessor deviceSPC Processor CommandsSCSI Primary Commands
04hWrite-once deviceSBC Write Once CommandsSCSI Block Commands
05hCD/DVD-ROM deviceMMC CD-ROM CommandsSCSI Multimedia Commands
06hScanner deviceSGC Scanner CommandsSCSI Graphics Commands
07hOptical memory device SBC Optical Media CommandsSCSI Block Commands
08hMedium changer SMC Medium Changer CommandsSCSI Medium Changer Commands
09hCommunications deviceSSC Communications CommandsSCSI Stream Commands
0Ah–0BhDefined by ASC IT8 ASC IT8 Prepress Commands-
0ChStorage array controller device SCC Array Controller CommandsSCSI Controller Commands
0DhEnclosure services deviceSES Enclosure Services CommandsSCSI Enclosure Services
0EhSimplified direct-access device RBC Reduced Block CommandsReduced Block Commands
0FhOptical card reader/writer deviceOCRW Optical Card CommandsSCSI Specification for Optical Card Reader/Writer
10hReserved for bridging expanders--
11hObject-based Storage DeviceOSD Object-based Storage CommandsObject-based Storage Commands
12hAutomation/Drive Interface--
13hSecurity manager device--
14hHost managed zoned block deviceZoned Block Commands
15hRMC Simplified Multimedia CommandsReduced Multimedia Commands
16h–1DhReserved--
1EhWell known logical unit--
1FhUnknown or no device type--