Identify Device Command - Seagate ST8000NM0055 Product Manual

6.3.1

Identify Device command

The Identify Device command (command code EC
organized as a single 512-byte block of data, whose contents are shown in Table 8 on page 29. 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. See Section 2.0 on page 7 for default
parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Word Description
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
0 • Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
1 Obsolete
2 ATA-reserved
3 Obsolete
4 Retired
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)
(Bits 7–0) Maximum sectors per interrupt on Read multiple and Write multiple
47
(16)
48 Trusted computing feature set supported bit 0 (SED only)
49 Standard Standby timer, IORDY supported and may be disabled
50 Capabilities
51-52 Obsolete
53-56 Words 54–58, 64–70 and 88 are valid
57–58 Obsolete
(Bit 15: 0) Block Erase Ext Not Supported
(Bit 14: 1) Overwrite Ext Supported
(Bit 13: X) Crypto Scramble Ext Supported (SED Only)
59
(Bit 12: 1) Sanitize feature set supported
(Bit 11: 1) Commands allowed during sanitize op as specified in ACS-3
(Bit 10: 1) Sanitize Antifreeze Lock Ext command supported
Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
*Note: The maximum value allowed in this field is: 0FFFFFFFh (268,435,455 sec-
60–61
tors, 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.
62 Obsolete
Seagate Enterprise Capacity 3.5 HDD v5 Serial ATA Product Manual, Rev. G
) transfers information about the drive to the host following power up. The data is
H
= none)
H
Value
0C5A
H
16,383
0000
H
16
0000
H
0000
H
003F
H
0000
H
ASCII
0000
H
0000
H
x.xx
8010
H
4001
H
2F00
H
4000
H
xxxx
H
xxxx
H
xxxx
H
SC10
H
0FFFFFFFh*
0000
H
31