User Manual

Seagate SkyHawk Serial ATA Product Manual, Rev. B 29
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 Table 9 on page 26. 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 1.2 on page 7for default parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Table 10 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) ST14000VX0008
ST12000VX0008
ST10000VX0008
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)