Word

Description

Value

 

 

 

108–111

The mandatory value of the world wide name (WWN) for the drive.

Each drive will have a unique

 

NOTE: This field is valid if word 84, bit 8 is set to 1 indicating 64-bit

value.

 

WWN support.

 

 

 

 

112–127

ATA-reserved

0000H

128

Security status

0001H

129–159

Seagate-reserved

xxxxH

160–254

ATA-reserved

0000H

255

Integrity word

xxA5H

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

Description (if bit is set to 1)

 

Bit

Word 63

 

 

 

 

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.

 

 

 

 

Bit

Word 84

 

 

 

 

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.

 

 

 

Constellation.2 Serial ATA Product Manual, Rev. B

39

Page 45
Image 45
Seagate ST9500622NS, ST9500621NS, ST9500620NS, ST9250610NS, ST9250612NS, ST9250611NS Description if bit is set to Bit Word