Seagate BarraCuda Pro Serial ATA Product Manual, Rev. A
31
www.seagate.com
Serial ATA (SATA) interface
1.4.3.1
Identify Device command
The Identify Device command (command code EC
H
) transfers information about the drive to the host following power
up. The data is organized as a single 512-byte block 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.
for default parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Table 13
Identify Device command
Word
Description
Value
0
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
• Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
0C5A
H
1
Obsolete
16,383
2
ATA-reserved
C837
H
3
Obsolete
16
4
Retired
0000
H
5
Retired
0000
H
6
Obsolete
003F
H
7–9
Retired
0000
H
10–19
Serial number: (20 ASCII characters, 0000
H
= none)
ASCII
20-21
Retired
0000
H
22
Obsolete
0000
H
23–26
Firmware revision (8 ASCII character string, padded with blanks to end of string)
x.xx
27–46
Drive model number: (40 ASCII characters, padded with blanks to end of string)
ST14000DM001
ST12000DM001
ST10000DM001
47
(Bits 7–0) Maximum sectors per interrupt on Read multiple and Write multiple (16)
8010
H
(512e) / 8002
H
(4KN)
48
Trusted computing feature set supported bit 0 (SED only)
4000
H
49
Standard Standby timer, IORDY supported and may be disabled
2F00
H
50
Capabilities
4000
H
51-52
Obsolete
xxxx
H
53-56
Words 54–58, 64–70 and 88 are valid
xxxx
H
57–58
Obsolete
xxxx
H
59
(Bit 15: 0) Block Erase Ext Not Supported - N
(Bit 14: 1) Overwrite Ext Supported - Y
(Bit 13: X) Crypto Scramble Ext Supported (SED Only) - N
(Bit 12: 1) Sanitize feature set supported - Y
(Bit 11: 1) Commands allowed during sanitize op as specified in ACS-3 - Y
(Bit 10: 1) Sanitize Antifreeze Lock Ext command supported - Y
5D10
H
(512E) / 5D02
H
(4KN)
