Constellation ES.1 SAS Product Manual, Rev. A
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12.4
Miscellaneous operating features and conditions
Table 13 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 13:
Miscellaneous features
Supported
Feature or condition
N
Automatic contingent allegiance
N
Asynchronous event notification
N
Synchronized (locked) spindle operation
Y
Segmented caching
N
Zero latency read
Y
Queue tagging (up to 64 queue tags supported)
Y
Deferred error handling
Y
Parameter rounding (controlled by Round bit in Mode Select page 0)
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
Table 14:
Miscellaneous status
Supported
Status
Y
Good
Y
Check condition
Y
Condition met/good
Y
Busy
Y
Intermediate/good
Y
Intermediate/condition met/good
Y
Reservation conflict
Y
Task set full
N
ACA active
N
ACA active, faulted initiator
