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4.3.1
Identify Device command
The Identify Device command (command code EC
up. The data is organized as a single 512-byte block of data, whose contents are shown in
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.
see Section 2.0 on page
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Table 8 Identify Device command
Word
0
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
• Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
1
Obsolete
2
ATA-reserved
3
Obsolete
4-5
Retired
6
Obsolete
7–9
Retired
10–19
Serial number: (20 ASCII characters, 0000
20-21
Retired
22
Obsolete
23–26
Firmware revision (8 ASCII character string, padded with blanks to end of string)
27–46
Drive model number: (40 ASCII characters, padded with blanks to end of string)
47
(Bits 7–0) Maximum sectors per interrupt on Read multiple and Write multiple (16)
48
Trusted computing feature set supported bit 0 (SED only)
49
Standard Standby timer, IORDY supported and may be disabled
50
Capabilities
53
Words 54–58, 64–70 and 88 are valid
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
60–61
Total number of user-addressable LBA sectors available
(see
Section 2.2
*Note: The maximum value allowed in this field is: 0FFFFFFFh (268,435,455 sectors, 137GB).
Drives with capacities over 137GB will have 0FFFFFFFh in this field and the actual number of
user-addressable LBAs specified in words 100-103. This is required for drives that support
the 48-bit addressing feature.
Seagate SkyHawk AI Serial ATA Product Manual, Rev. A
7for default parameter settings.
Description
= none)
H
for related information)
) transfers information about the drive to the host following power
H
Serial ATA (SATA) interface
Table 7
on
page
23. All
Value
0C5A
H
16,383
C837
H
16
0000
H
003F
H
0000
H
ASCII
0000
H
0000
H
x.xx
ST18000VE000
ST18000VE002
ST16000VE002
ST12000VE001
8010
(512e)
H
4000
H
2F00
H
4000
H
xxxx
H
5D10
(512E)
H
0FFFFFFFh*
26
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