Hitachi HDS723020BLA642 Specifications page 113

Output Parameters To The Device
Feature Current bit 7 (A/R)
Feature Current bit 6 (R/W)
Feature Current bit 0..2 (Stream ID)
Feature Previous
Sector Count Current
Sector Count Previous
If set to one, a request to add a new stream.
If cleared to zero, a request to remove a previous configured
stream is specified.
R/W specifies a read stream if cleared to zero and a write stream
if set to one.
The Stream ID shall be a value between 0 and 7.
The default Command Completion Time Limit (CCTL).
The value is calculated as follows:
(Default CCTL) = ((content of the Features register)*
(Identify Device words (99:98))) micriseconds.
This time shall be used by the device when a streaming
command with the same stream ID and a CCTL of zero are
issued. The time is measured from the write of the command
register to the final INTRQ for command completion.
has minimum CCTL value. When the specified value is
shorter than the minimum value, CCTL is set to the
minimum value. Actual minimum CCTL value is described
in the ―Deviations from Standard‖ section.
Allocation Unit Size In Sectors (7:0)
Allocation Unit Size In Sectors (15:8)
Hitachi hard disk drive specifications
113
The device