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11.4MISCELLANEOUS OPERATING FEATURES AND CONDITIONS
Table 15 lists various features and conditions. A “Y” in the support column indicates the feature or condition is supported. An “N” in the support column indicates the feature or condition is not supported.
Table 15 Miscellaneous features
SUPPORTED | FEATURE OR CONDITION |
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N | Automatic contingent allegiance |
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N | Asynchronous event notification |
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N | Synchronized (locked) spindle operation |
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Y | Segmented caching |
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N | Zero latency read |
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Y | Queue tagging (up to 64 queue tags supported) |
|
|
Y | Deferred error handling |
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|
Y | Parameter rounding (controlled by Round bit in Mode Select page 0) |
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|
Y | Reporting actual retry count in Extended Sense bytes 15, 16, and 17 |
|
|
N | Adaptive caching |
|
|
Y | SMP = 1 in Mode Select command needed to save RPL and rotational offset bytes |
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Table 16 Miscellaneous status
SUPPORTED | STATUS |
|
|
Y | Good |
|
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Y | Check condition |
|
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Y | Condition met/good |
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Y | Busy |
|
|
Y | Intermediate/good |
|
|
Y | Intermediate/condition met/good |
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|
Y | Reservation conflict |
|
|
Y | Task set full |
|
|
N | ACA active |
|
|
N | ACA active, faulted initiator |
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CONSTELLATION ES.3 SAS PRODUCT MANUAL, REV. B | 59 |