9.4Miscellaneous 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 |
NACA active, faulted initiator
9.4.1SAS 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 |
