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Identify Device Data Log
IDENTIFY DEVICE data log reports device configuration information. This log is read-only. See Table 99 for a list of
defined pages. Each page consists of a header field that is followed by defined statistics fields. If the Revision
Number field in the page header is 0000h, then that page is not supported. All page data following the last defined
statistic for that page is reserved.
Description
Page
List of supported pages
00h
Copy of IDENTIFY DEVICE data
01h
Capacity
02h
Supported Capabilities
03h
Current Settings
04h
ATA Strings
05h
Security
06h
Reserved for Parallel ATA
07h
Serial ATA
08h
Reserved
09h..FFh
Table 171 Identify Device Data Log
List of Supported IDENTIFY DEVICE Data Log Pages
(Page 00h)
IDENTIFY DEVICE data log page 00h contains a list of the supported pages. Entries are in order of ascending page
number (e.g., 00h, 01h, 07h).
Offset
Type
Content
0..7
QWord
IDENTIFY DEVICE data log Information Header. This log page lists the numbers
of the supported log pages
Bit
Meaning
63:24
Reserved
23:16
Page Number. Set to 00h.
15:0
Revision number. Set to 0001h
8
Byte
Number of entries (n) in the following list
9
Byte
Set to zero to indicate that page 00h is supported
10
Byte
Set to one to indicate that page 01h is supported
…
n+8
Byte
Page number of nth supported IDENTIFY DEVICE data log page
n+9..511
Reserved
Table 172 List of Supported IDENTIFY DEVICE Data Pages
Copy of IDENTIFY DEVICE Data (page 01h)
This page is a copy of IDENTIFY DEVICE data words 0..255.
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Western Digital Ultrastar DC HC310 SATA Product Manual