User Manual

Constellation ES.3 SAS Product Manual, Rev. F 65
11.4 Miscellaneous 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.
11.4.1 SAS physical interface
Figure 20 shows the location of the SAS device connector J1. Figures 21 and 22 provide the dimensions of the SAS connector.
Details of the physical, electrical, and logical characteristics are provided within this section. The operational aspects of Seagate’s SAS
drives are provided in the SAS Interface Manual.
Figure 20. Physical interface
Table 15 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 16 Miscellaneous status
Supported Status
YGood
Y Check condition
Y Condition met/good
YBusy
YIntermediate/good
Y Intermediate/condition met/good
Y Reservation conflict
YTask set full
NACA active
N ACA active, faulted initiator