scsi interface specification - Plasmon

DRIVE COMMAND SETDRIVE COMMAND SETThis section defines the SCSI command set implemented by the LaserDrive. The LaserDrive commandssupported are listed in Table 5. Each command in this section is listed in alphabetical order.(1) Byte 9, Bit 6 invokes disable verify.(2) Due to hardware limitations, the LaserDrive will transfer sector blocks rather than bytes in response to theAllocation Length of this command.(3) Disconnects are allowed in Mode 2 only.Table 5. LaserDrive CommandsOP CODE SCSI DOCUMENT DISCONNECTCOMMAND(HEX) COMPLIANCE ALLOWEDACCESS EVENT LOG EC 5 YesINQUIRY 12 4 NoMEDIA SCAN 38 3 YesMODE SELECT 15 4 NoMODE SENSE 1A 4 NoMOVE MEDIA 02 6 YesPARK BASEPLATES C9 5 NoPREVENT/ALLOW MEDIA REMOVAL 1E 4 NoREAD (10 BYTE) 28 4 YesREAD BUFFER (10 BYTE) 3C 3 (1) YesREAD CAPACITY 25 4 NoREAD DIAGNOSTIC LONG E8 5 YesREAD DIAGNOSTIC PHYSICAL E9 5 YesREAD SECTOR LOCATION E6 5 NoRELEASE 17 4 NoREQUEST SENSE 03 4 NoRESERVE 16 4 NoREZERO UNIT 01 4 YesSEEK (10 BYTE) 2B 4 YesSEND DIAGNOSTIC 1D 3 YesSTART/STOP UNIT 1B 4 YesTEST UNIT READY 00 4 NoVERIFY 2F 4 YesWRITE (10 BYTE) 2A 4 (1) YesWRITE AND VERIFY 2E 4 YesWRITE BUFFER 3B 3 (2) Yes (3)Compliance Key: 1 - SCSI-1, 2 - CCS, 3 - SCSI-2, 4 - All, 5 - Vendor Unique, 6 - LF 6600/LF 6602 only VendorUnique97653978 HPage 27