Seagate NAS HDD Product Manual, Rev. C
26
SATA Interface
129–159
Seagate-reserved
xxxx
H
160–254
ATA-reserved
0000
H
255
Integrity word
xxA5
H
Note
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.
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.
Bit
Word 88
0
Ultra DMA mode 0 is supported.
1
Ultra DMA mode 1 is supported.
2
Ultra DMA mode 2 is supported.
3
Ultra DMA mode 3 is supported.
4
Ultra DMA mode 4 is supported.
Word
Description
Value