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Word | Description | Value |
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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 | value. |
| WWN support. |
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0000H | ||
128 | Security status | 0001H |
xxxxH | ||
0000H | ||
255 | Integrity word | xxA5H |
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 |
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0 | Multiword DMA mode 0 is supported. |
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1 | Multiword DMA mode 1 is supported. |
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2 | Multiword DMA mode 2 is supported. |
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8 | Multiword DMA mode 0 is currently active. |
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9 | Multiword DMA mode 1 is currently active. |
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10 | Multiword DMA mode 2 is currently active. |
Bit | Word 84 |
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0 | SMART error login is supported. |
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1 | SMART |
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2 | Media serial number is supported. |
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3 | Media Card Pass Through Command feature set is supported. |
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4 | Streaming feature set is supported. |
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5 | GPL feature set is supported. |
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6 | WRITE DMA FUA EXT and WRITE MULTIPLE FUA EXT commands are supported. |
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7 | WRITE DMA QUEUED FUA EXT command is supported. |
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8 | |
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Obsolete. | |
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Reserved for TLC. | |
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13 | IDLE IMMEDIATE command with IUNLOAD feature is supported. |
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14 | Shall be set to 1. |
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15 | Shall be cleared to 0. |
Barracuda LP Series SATA Product Manual, Rev. A | 29 |