Seagate ST91000642NS ユーザーズマニュアル

Constellation.2 Serial ATA Product Manual, Rev. B

39

See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data. 

108–111

The mandatory value of the world wide name (WWN) for the drive.  
NOTE: This field is valid if word 84, bit 8 is set to 1 indicating 64-bit 
WWN support.

Each drive will have a unique 
value.

112–127

ATA-reserved

0000

H

128

Security status

0001

H

129–159

Seagate-reserved

H

160–254

ATA-reserved

0000

H

255

Integrity word

xxA5

H

0

Multiword DMA mode 0 is supported.

1

Multiword DMA mode 1 is supported.

2

Multiword DMA mode 2 is supported.

8

Multiword DMA mode 0 is currently active.

9

Multiword DMA mode 1 is currently active.

10

Multiword DMA mode 2 is currently active.

0

SMART error loggin is supported.

1

SMART self-test is supported.

2

Media serial number is supported.

3

Media Card Pass Through Command feature set is supported.

4

Streaming feature set is supported.

5

GPL feature set is supported.

6

WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are supported.

7

WRITE DMA QUEUED FUA EXT command is supported.

8

64-bit World Wide Name is supported.

9-10

Obsolete.

11-12

Reserved for TLC.

13

IDLE IMMEDIATE command with IUNLOAD faeture is supported.

14

Shall be set to 1.

15

Shall be cleared to 0.