Product manual

Barracuda 9 Product Manual, Rev. C 51
9.4 SCSI bus conditions and miscellaneous features supported
Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI
device to perform certain actions and can alter the SCSI bus phase sequence. Other miscellaneous operating
features supported are also listed here. Refer to the
SCSI Interface Product Manual, part number 77738479 for
details.
Table 10: SCSI bus conditions and other miscellaneous features
ESP Conditions or feature
N Adaptive caching
Y Arbitrating system
Y Asynchronous data transfer
N Asynchronous event notification
Y Attention condition
Y Contingent allegiance condition
Y Capacity programming
Y Deferred error handling
Y Differential interface circuits available
Y Disconnect/reconnect
Y Flag and link bits in control byte supported
Y Format progress indication
Y Immediate status on format unit command
Y Immediate status on start/stop command
Y Immediate status on synchronize cache command
Y Parameter rounding (controlled by the round bit in the Mode Select Page 0)
Y Queue tagging (up to 64 queue tags supported)
Y Reporting actual retry count in extended sense bytes 15, 16 and 17
Y Reset condition
Y Segmented caching
Y Synchronous data transfer
N Synchronized (locked) spindle operation
N Zero latency read
ESP Status supported
Y Good
Y Check condition
Y Condition met/good
Y Busy
Y Intermediate/good
Y Intermediate/condition met/good
Y Reservation conflict
Y Queue full