Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
155
- 1 1 Report saved value. The drive returns the saved value for the page code specified.
Saved values are one of the following:
- the values saved as a result of MODE SELECT command
- identical to the default values
- zero when the parameters are not supported
The Page Length byte value of each page returned by the drive indicates up to which fields are supported on
that page.
Page Code: This field specifies which page or pages to return. Page code usage is defined in the figure below.
Table 128 Page Code Usage
Page Code
Description
00h - 1Ch
3Fh
Return specific page, if supported.
Return all supported pages.
If a Page Code of 3Fh is used, MODE SENSE returns the pages in ascending order with one exception. Page 0 is
always returned last in response to a MODE SENSE command.
If an unsupported page is selected, the command is terminated with a CHECKCONDITION status and available
sense of ILLEGAL REQUEST/INVALID FIELD IN CDB.
Subpage Code: This field specifies the subpage to return, and may be set to a specific page, or to FFh for all
supported subpages.