3 Commands—introduction
This chapter contains notes relating to the SCSI commands listed in Chapter .
Summary
The following table is a summary of the SCSI commands for sequential access devices, showing the operation code:
Opcode | Command Name |
| Opcode | Command Name |
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00h | TEST UNIT READY |
| 2Bh | LOCATE |
01h | REWIND |
| 2Bh | SEEK |
03h | REQUEST SENSE |
| 34h | READ POSITION |
05h | READ BLOCK LIMITS |
| 3Bh | WRITE BUFFER |
08h | READ |
| 3Ch | READ BUFFER |
08h | READ 6 |
| 43h | READ TOC |
0Ah | WRITE |
| 44h | REPORT DENSITY SUPPORT |
0Bh | SET CAPACITY |
| 4Ch | LOG SELECT |
10h | WRITE FILEMARKS |
| 4Dh | LOG SENSE |
11h | SPACE |
| 55h | MODE SELECT (10) |
12h | INQUIRY |
| 56h | RESERVE UNIT (10) |
13h | VERIFY |
| 57h | RELEASE UNIT (10) |
15h | MODE SELECT |
| 5Ah | MODE SENSE (10) |
16h | RESERVE UNIT |
| 5Eh | PERSISTENT RESERVE IN |
17h | RELEASE UNIT |
| 5Fh | PERSISTENT RESERVE OUT |
19h | ERASE |
| 8Ch | READ ATTRIBUTE |
1Ah | MODE SENSE |
| 8Dh | WRITE ATTRIBUTE |
1Bh | LOAD/UNLOAD |
| A0h | REPORT LUNS |
1Bh | START/STOP UNIT |
| A3h (05h) | REPORT DEVICE IDENTIFIER |
1Ch | RECEIVE DIAG RESULTS |
| A3h (0Ch) | REPORT SUPPORTED OPCODES |
1Dh | SEND DIAGNOSTIC |
| A3h (0Dh) | REPORT SUPPORTED TASK MGMNT FNS |
1Eh | PREVENT MEDIUM REMOVAL |
| A4h (06h) | SET DEVICE ID |
25h | READ CAPACITY |
| ABh (01h) | READ MEDIA SERIAL NUMBER |
28h | READ 10 |
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Command details
The command descriptions in Chapter 4 are listed in alphabetical order of command name. Each command is described briefly. This is followed by a list of
Summary 29