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Parameter Data Format
This field is enabled by the MODE SENSE command. This field indicates
the beginning of the active notch or, if the active notch is zero, the beginning
of the logical unit (HDD).
f. Ending Boundary
This field is valid in the MODE SENSE command. This field indicates the
ending of the active notch or, if the active notch is zero, the ending of the
logical unit (HDD).
g. Page Notch
This is a bit map which shows whether or not other mode pages are being
changed if the device is notched. The most significant bit of this field
corresponds to page code 3Fh and the least significant bit corresponds to page
code 00h. If it is specified, the HDD disregards this value.
5.1.9 Port Control Parameter (Page Code = 19)
This page is used to set parameters concerning data transfer of the drive and
to refer to the current settings and maximum settings of these parameters.
The support status on this page is as follows:
Sub page Code parameter Support status
Short page Short format Supported
Long page 00h Not allowed
−
Long page 01h Phy Control And Discover subpage Supported
Long page 02h Shared Port Control subpage Not supported
E0h-FEh Vendor specific
−
FFh Return all subpages for the port
control Page
Supported
310 C141-C013