Seagate ST500VT001 ユーザーズマニュアル

S

EAGATE 

V

IDEO 

2.5 HDD P

RODUCT 

M

ANUAL

, R

EV

. A

  20

 S

ERIAL 

ATA (SATA) I

NTERFACE 

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 

. 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.

 
 
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

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)

x.xx

27–46

Drive model number: 
(40 ASCII characters, padded with blanks to end of string)

ST500VT000 
ST500VT001 
ST320VT000 
ST250VT000

47

(Bits 7–0) 
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

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 

H

55

Number of current logical heads 

H

56

Number of current logical sectors per logical track

H

57–58

Current capacity in sectors

H

59

Number of sectors transferred during a 
Read Multiple or Write Multiple command

H