Seagate ST320LT031 사용자 설명서
S
EAGATE
L
APTOP
U
LTRATHIN
HDD SATA P
RODUCT
M
ANUAL
, R
EV
. A
19
S
ERIAL
ATA (SATA) I
NTERFACE
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
. 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. Refer to
for default
parameter settings.
The following commands contain drive-specific features that may not be included in the Serial ATA specification.
Standby Immediate
E0h
ATA-standard security commands
Security Set Password
F1h
Security Unlock
F2h
Security Erase Prepare
F3h
Security Erase Unit
F4h
Security Freeze Lock
F5h
Security Disable Password
F6h
Table 7
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
• 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
Specific configuration
C837H
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
8000
H
22
Obsolete
0004
H
23–26
Firmware revision:
(8 ASCII character string, padded with blanks to end of string)
(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)
(40 ASCII characters, padded with blanks to end of string)
ST500LT032
ST500LT033
ST320LT030
ST320LT031
ST500LT033
ST320LT030
ST320LT031
47
(Bits 7–0)
Maximum sectors per interrupt on Read multiple and Write multiple (16)
Maximum sectors per interrupt on Read multiple and Write multiple (16)
8010
H
48
Trusted Computing Feature set options
0000
H
49
Standard Standby timer, IORDY supported and may be disabled
2F00
H
50
Capabilities
4000
H
Table 6
Supported ATA commands
ATA-standard commands names
Command code (in hex)