Western Digital Ultrastar DC HC310 - Table 172 Supported Capabilities Log Page

195
Western Digital Hard Disk Drive OEM Specification
11.23.9.4 Supported Capabilities (page 03h)
The Supported Capabilities log page provides a mechanism for the device to report support for feature sets, features,
commands and other device capabilities.
Offset
Type
Content
0..7
QWord
Supported Capabilities page information header.
Bit
Meaning
63
Set to one
62:24
Reserved
23:16
Page Number. Set to 03h
15:0
Revision number. Set to 0001h
8..15
QWord
Supported Capabilities
Bit
Meaning
63
Set to one
62:46
Reserved
45
REQUEST SENSE DEVICE FAULT SUPPORTED bit
44
DSN SUPPORTED bit
43
LOW POWER STANDBY SUPPORTED bit
42
SET EPC POWER SOURCE SUPPORTED bit
41
AMAX ADDR SUPPORTED bit
40
Reserved for CFA
39
DRAT SUPPORTED bit
38
LPS MISALIGNMENT REPORTING SUPPORTED bit
37
Reserved
36
READ BUFFER DMA SUPPORTED bit
35
WRITE BUFFER DMA SUPPORTED bit
34
Reserved
33
DOWNLOAD MICROCODE DMA SUPPORTED bit
32
28-BIT SUPPORTED bit
31
RZAT SUPPORTED bit
30
Reserved
29
NOP SUPPORTED bit
28
READ BUFFER SUPPORTED bit
27
WRITE BUFFER SUPPORTED bit
26
Reserved
25
READ LOOK-AHEAD SUPPORTED bit
24
VOLATILE WRITE CACHE SUPPORTED bit
23
SMART bit
22
FLUSH CACHE EXT SUPPORTED bit
21
Reserved
20
48-BIT SUPPORTED bit
19
Reserved
18
SPIN-UP SUPPORTED bit
17
PUIS SUPPORTED bit
16
APM SUPPORTED bit
15
CFA SUPPORTED bit
14
DOWNLOAD MICROCODE SUPPORTED bit
13
UNLOAD SUPPORTED bit
12
The WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are
Supported
Table 172 Supported Capabilities log page