Table 74: Mode Parameter Page Format; Table 75: Supported Page Codes; Page Descriptor - Hitachi HUS151473VL3800 - Ultrastar 73.4 GB Hard Drive Specifications

17.10.1.3 Page Descriptor

Table 74: Mode Parameter Page Format

Byte 0 PS
Byte 1
Byte 2-n
Each mode page contains a page code, a page length, and a set of mode parameters.
When using the MODE SENSE command, a Parameter Savable (PS) bit of one indicates that the mode page can be saved by
the drive in the reserved area of the drive. A PS bit of zero indicates that the supported parameters cannot be saved. When
using the MODE SELECT command, the PS bit is reserved (zero).
SPF (Sub-Page Format) is set to zero to indicate the short page format is used. The drive supports the following mode page
codes:

Table 75: Supported Page Codes

Page
00 Vendor Unique Parameters
01 Read-Write Error Recovery Parameters
02 Disconnect/Reconnect Control Parameters
03 Format Device Parameters
04 Rigid Disk Geometry Parameters
07 Verify Error Recovery Parameters
08 Caching Parameters
0A Control Mode Page
0C Notch Parameters
19 Port Control Page
1A Power Control Parameters
1C Informational Exceptions Control
The page length field specifies the length in bytes of the mode parameters that follow. If the Initiator does not set this value to
the value that is returned for the page by the MODE SENSE command, the drive will terminate the command with Check Con-
dition status.
SPF
Page Length
Mode Parameters
Description
Hitachi Ultrastar 15K147 SCSI Hard Disk Drive Specification
Page Code
110
PS
1
1
1
0
0
1
1
1
1
1
1
1