Identify Device Command - Seagate Exos 7E10 Product Manual

6.3.1

Identify Device command

The Identify Device command (command code EC
is organized as a single 512-byte block of data, whose contents are shown in
be set to zero. Parameters listed with an "x" are drive-specific or vary with the state of the drive.
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
Configuration information:
• Bit 15: 0 = ATA; 1 = ATAPI
0 • Bit 7: removable media
• Bit 6: removable controller
• Bit 0: reserved
1 Number of logical cylinders (obsoleted)
2 ATA-reserved
3 Number of logical heads (obsoleted)
4-5 Retired
6 Number of logical sectors per logical track: 63 (obsoleted)
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 options
49 Standard Standby timer, IORDY supported and may be disabled
50 ATA-reserved
51 PIO data-transfer cycle timing mode
52 Retired
53 Words 54–58, 64–70 and 88 are valid
54-58 Obsolete
59 Number of sectors transferred during a Read Multiple or Write Multiple command
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).
60–61
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 Retired
63 Multiword DMA active and modes supported (see note following this table)
64 Advanced PIO modes supported (modes 3 and 4 supported)
65 Minimum multiword DMA transfer cycle time per word (120 ns)
Seagate Exos 7E10 Serial ATA Product Manual, Rev. B
) transfers information about the drive to the host following power up. The data
H
= none)
H
for related information)
Table 12 on page 32. All reserved bits or words should
See Section 2.0 on page 7
Value
0C5A
H
16,383
C837
H
16
0000
H
003F
H
0000
H
Reported in ASCII
0000
H
0000
H
Reported in ASCII
Reported in ASCII
8010
H
4000
H
2F00
H
4000
H
0200
H
0200
H
0007
H
xxxx
H
x5D10
0FFFFFFFh*
0000
H
x0007
0003
H
0078
H
for
H
H
34