Miscellaneous Operating Features And Conditions; Sas Physical Interface - Seagate Cheetah 15K Product Manual

9.4

Miscellaneous operating features and conditions

Table 23 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 23: 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 24: 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
9.4.1

SAS physical interface

Figure 14 shows the location of the SAS device connector J1. Figures 15 and 16 provide the dimensions of the
SAS device.
62 Cheetah 15K.6 SAS Product Manual, Rev. B