11.4MISCELLANEOUS OPERATING FEATURES AND CONDITIONS

Table 11 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 11 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 12 Miscellaneous status

 

 

Supported

Status

 

 

Y

Good

 

 

Y

Check condition

 

 

Y

Condition met/good

 

 

Y

Busy

 

 

Y

Intermediate/good

YIntermediate/condition met/good

Y Reservation conflict

Y Task set full

N ACA active

N ACA active, faulted initiator

11.4.1SAS physical interface

Figure 12 shows the location of the SAS device connector J1. Figures 13 and 14 provide the dimensions of the SAS device.

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..

SAS Interface

connector

Figure 12. Physical interface

CHEETAH 15K.7 SAS PRODUCT MANUAL, REV. F

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Seagate ST336754LW Miscellaneous Operating Features and Conditions, Supported Feature or condition, SAS physical interface