Seagate ST6000NM0004 ユーザーズマニュアル

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Seagate Enterprise Capacity 3.5 HDD v4 Serial ATA Product Manual, Rev. C
  32
  
6.3.1
Identify Device command
The Identify Device command (command code EC
H
) transfers information about the drive to the host following power up. 
All 
reserved 
bits 
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Write Sectors
30
H
Write Sectors Without Retries
31
H
Write Sectors Extended
34
H
Write Uncorrectable
45
H
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
Number of logical cylinders
16,383
2
ATA-reserved
0000
H
3
Number of logical heads
16
4
Retired
0000
H
5
Retired
0000
H
6
Number of logical sectors per logical track: 63
003F
H
7–9
Retired
0000
H
10–19
Serial number: (20 ASCII characters, 0000
H
 = none)
ASCII
20
Retired
0000
H
21
Retired
0400
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)
47
(Bits 7–0) Maximum sectors per interrupt on Read multiple and Write multiple (16)
8010
H
48
Trusted computing feature set options
4001
H
49
Standard Standby timer, IORDY supported and may be disabled
2F00
H
50
ATA-reserved
0000
H
51
PIO data-transfer cycle  timing mode
0200
H
52
Retired
0200
H
53
Words 54–58, 64–70 and 88 are valid
0007
H
54
Number of current logical  cylinders 
xxxx
H
55
Number of current logical heads 
xxxx
H
56
Number of current logical sectors per logical track
xxxx
H
57–58
Current capacity in sectors
xxxx
H
59
Number of sectors transferred during a Read Multiple or Write Multiple command
xxxx
H
Command name
Command code (in hex)