Seagate ST9100011FS ユーザーズマニュアル
Pulsar Product Manual, Rev. A
27
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 7 on
page 25. 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 3 for default parameter settings.
page 25. 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 3 for default parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA
specification.
specification.
Word
Description
Value
0
General configuration
0040
H
1
Number of logical cylinders (obsolete) 16,383
3FFF
H
2
Specific configuration
C837
H
3
Number of logical heads (obsolete) 16
0010
H
4-5
Retired
0000
H
6
Number of logical sectors per logical track (obsolete) 63
003F
H
7–8
Reserved for CompactFlash Association
0000
H
9
Retired
0000
H
10–19
Serial number: (ATA ASCII string padded with spaces (20
H
))
ASCII
20-21
Retired
0000
H
22
Obsolete
0004
H
23–26
Firmware revision (ATA ASCII string padded with spaces (20h))
ASCII
27–46
Model number (ATA ASCII string padded with spaces (20h))
ASCII
47
(Bits 7-0) Maximum number of logical sectors that shall be transferred
per DRQ data block on READ/WRITE MULTIPLE commands. 16
per DRQ data block on READ/WRITE MULTIPLE commands. 16
8010
H
48
Reserved for Trusted Computing feature set options
0000
H
49
Capabilities – Standby Timer, IORDY Support, etc
2F00
H
50
Capabilities Continued
4000
H
51
PIO data transfer cycle timing option (Obsolete)
0200
H
52
Retired
0200
H
53
Words 54–58, 64–70 and 88 are valid
0007
H
54
Number of current logical cylinders (Obsolete)
3FFF
H
55
Number of current logical heads (Obsolete)
0010
H
56
Number of current logical sectors per logical track (Obsolete)
003F
H
57–58
Current capacity in sectors (Obsolete)
FC10
H
00FB
H
59
Number of LBAs transferred per Read Multiple or Write Multiple.
Sanitize Command Support
Sanitize Command Support
0101
H
60–61
Total number of user addressable logical sectors for 28-bit commands
Note: The maximum value allowed in this field is: 0FFFFFFFh. If this
field contains 0FFFFFFFh and the device has user addressable LBAs
greater than or 137GB, then words 100..103 contain the total number
of user addressable LBAs
Note: The maximum value allowed in this field is: 0FFFFFFFh. If this
field contains 0FFFFFFFh and the device has user addressable LBAs
greater than or 137GB, then words 100..103 contain the total number
of user addressable LBAs
XXXXXXXX
H
*
62
Obsolete
0000
H
63
Multiword DMA active and modes supported
(see note following this table)
0007
H