
Chapter 5 Initiator Mode
Page 5 - 6 |
| Initiator |
Table of DAT
and DIR
Automatic
Settings
The following table demonstrates the values for the DAT and DIR bits that the RF3880 associates by default with each of the SCSI opcodes:
Opcode | DAT | DIR | Description | |
00H | 0 | 0 | Test Unit Ready | |
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01H | 0 | 0 | Rewind/Rezero | |
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02H | 0 | 0 | not defined | |
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03H | 1 | 0 | Request Sense | |
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04H | 1 | 1 | Format Unit | |
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05H | 1 | 0 | Read Block Limits | |
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06H | 0 | 0 | not defined | |
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07H | 1 | 1 | Reassign Blocks | |
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08H | 1 | 0 | Read | |
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09H | 0 | 0 | not defined | |
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0AH | 1 | 1 | Write | |
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0BH | 0 | 0 | Seek | |
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0CH | 0 | 0 |
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0DH | 0 | 0 | not defined | |
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0EH | 0 | 0 |
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0FH | 1 | 0 | Read Reverse | |
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10H | 0 | 0 | Write Filemarks | |
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11H | 0 | 0 | Space | |
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12H | 1 | 0 | Inquiry | |
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13H | 0 | 0 | Verify | |
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14H | 1 | 0 | Recover Buffered Data | |
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15H | 1 | 1 | Mode Select | |
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16H | 1 | 1 | Reserve | |
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17H | 1 | 1 | Release | |
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18H | 1 | 1 | Copy | |
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19H | 0 | 0 | Erase | |
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1AH | 1 | 0 | Mode Sense | |
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1BH | 0 | 0 | Start/Stop: Load/Unload | |
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1CH | 1 | 0 | Receive Diagnostic | |
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1DH | 1 | 1 | Send Diagnostic | |
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1EH | 0 | 0 | Prevent/Allow Media Removal | |
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1FH | 0 | 0 |
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20H | 0 | 0 |
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21H | 0 | 0 | not defined | |
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22H | 0 | 0 | ||
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23H | 0 | 0 |
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24H | 0 | 0 |
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25H | 1 | 0 | Read Capacity | |
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26H | 0 | 0 | not defined | |
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27H | 0 | 0 | ||
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28H | 1 | 0 | Extended Read | |
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29H | 0 | 0 | ||
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2AH | 1 | 1 | Extended Write | |
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Table 30: DAT and DIR Automatic Settings
21020285 D | User’s Guide |