Seagate ST4000NM0034 Laptop User Manual


 
SEAGATE ENTERPRISE CAPACITY 3.5 HDD V4 SAS PRODUCT MANUAL, REV. A 57
11.4 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.
11.4.1 SAS physical interface
Figure 17 shows the location of the SAS device connector J1. Figures 18 and 19 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 17. Physical interface
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