Seagate Exos X20 SATA Product Manual, Rev. B
35
www.seagate.com
Serial ATA (SATA) interface
5.3.2
Identify Device Data log
The IDENTIFY DEVICE Data log (log 30H) transfers information about the drive. The data is organized as a set of 512-
byte blocks of data, whose contents are shown in
. All reserved bits or words should be set to zero.
Parameters listed with an "x" are drive-specific or vary with the state of the drive.
The following may contain drive-specific features that may are included in the Serial ATA specification
Table 12 Identify Device Data log
Page
(hex)
QWord Offset
(dec)
Bits
Description
Value
(hex)
00
List of supported pages
0..7
63:24
Reserved
23:16
Page number
00
15:0
Revision number
0001
8
Number of entries in the following list
09
9
Page number of the 1st supported ID data log page
00
10
Page number of the 2nd supported ID data log page
01
11
Page number of the next supported ID data log page
02
12
Page number of the next supported ID data log page
03
13
Page number of the next supported ID data log page
04
14
Page number of the next supported ID data log page
05
15
Page number of the next supported ID data log page
06
16
Page number of the next supported ID data log page
08
17
Page number of the last supported ID data log page
00
18..511
Reserved
01
Copy of IDENTIFY DEVICE data
0..511
Copy of IDENTIFY DEVICE command data
