Seagate ST9320328CS ユーザーズマニュアル

Pipeline HD Mini Series SATA Product Manual, Rev. E                                                                                             

25

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 the table on page 
27. 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.

The following commands contain drive-specific features that may not be included in the Serial ATA specification.

Security Erase Unit

F4h

Security Freeze Lock

F5h

Security Disable Password

F6h

 

 

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)

ST9500323CS 

ST9320328CS 

ST9250311CS 

ST91603110CS

47

(Bits 7–0) Maximum sectors per interrupt on Read multiple and 

Write multiple (16)

8010

H

48

Reserved

0000

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