Table 175 Current Settings Log Page - Western Digital Ultrastar DC HC310 Specifications

11.23.9.5 Current Settings (page 04h)
The Current Settings log page provides a mechanism for the device to report the current settings for feature sets,
features, and other device capabilities.
Offset Type Content
0..7 QWord Supported Capabilities page information header.
Bit
63
62:24
23:16
15:0
8..15 QWord Current Settings
Bit
63
62:17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
16..23 QWord Feature Settings
Bit
63
62:16
17:16
15:8
7:0
24..31 QWord DMA Host Interface Sector Times
Bit
63
62:16
15:0
32..39 QWord PIO Host Interface Sector Times
Bit
63
62:16
15:0

Table 175 Current Settings log page

Meaning
Set to one
Reserved
Page Number. Set to 04h.
Revision number. Set to 0001h
Meaning
Set to one
Reserved
DSN ENABLED bit
EPC ENABLED bit
8-BIT PIO ENABLED bit
VOLATILE WRITE CACHE ENABLED bit
Reserved for CFA
REVERTING TO DEFAULTS ENABLED bit
SENSE DATA ENABLED bit
Reserved
NON-VOLATILE WRITE CACHE bit
READ LOOK-AHEAD ENABLED bit
SMART ENABLED bit
Reserved
Reserved
PUIS ENABLED bit
APM ENABLED bit
FREE-FALL ENABLED bit
WRV ENABLED bit
Meaning
Contents of the QWord are valid
Reserved
POWER SOURCE field
APM LEVEL field
WRV MODE field
Meaning
Contents of the QWord are valid
Reserved
DMA SECTOR TIME field
Meaning
Contents of the QWord are valid
Reserved
PIO SECTOR TIME field
Western Digital Hard Disk Drive OEM Specification
198