Seagate BARRACUDA ST31000520AS Product Manual page 37

Word Description
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.
112–127 ATA-reserved
128 Security status
129–159 Seagate-reserved
160–254 ATA-reserved
255 Integrity word
Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported
Note.
See the bit descriptions below for words 63, 84, and 88 of the Identify Drive data.
Note.
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 login 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 feature is supported.
14 Shall be set to 1.
15 Shall be cleared to 0.
Barracuda LP Series SATA Product Manual, Rev. B
Value
Each drive will have a unique
value.
0000
H
0001
H
xxxx
H
0000
H
xxA5
H
31