
WORD
WORD 80: Major version number
If not 0000h or FFFFh, the device claims compliance with the major version(s) as indicated by bits 1 - 6 being equal to one. Values other than 0000h and FFFFh are bit significant. Since the ATA standards maintain downward compatibility, a device may set more than one bit .
WORD 81: Minor version number
If an implementor claims that the revision of the standard they used to guide their implementation does not need to be reported or if the implementation was based upon a standard prior to this revision of the standard, Word 81 shall be 0000h or FFFFh.
WORD 82: Command sets supported
bit 15 | Reserved |
bit 14 | NOP command supported |
bit 13 | READ BUFFER command supported |
bit 12 | WRITE BUFFER command supported |
bit 11 | Reserved |
bit 10 | Host Protected Area feature set supported |
bit 9 | DEVICE RESET command supported |
bit 8 | SERVICE interrupt supported |
bit 7 | Release Interrupt supported |
bit 6 | Look Ahead supported |
bit 5 | Write Cache supported |
bit 4 | PACKET feature set supported |
bit 3 | The Power Management feature set is supported |
bit 2 | The Removable feature set is supported |
bit 1 | The security feature set is supported |
bit 0 | The SMART feature set is supported |
The value for this WORD is 746Bh.
WORD 83: Features/Command sets supported
bit 15 | 0 (Fixed) |
bit 14 | 1 (Fixed) |
bit 13 | 1=FLUSH CACHE EXT command supported |
bit 12 | 1=FLUSH CACHE command supported |
bit 11 | 1=Device Configuration Overlay supported |
bit 10 | |
bit 9 | 1=Automatic Acoustic Management feature set supported |
bit 8 | 1=Set MAX security extension supported |
bit 7 | Reserved |
bit 6 | 1=SET FEATURES subcommand required to spin up after |
bit 5 | |
bit 4 | 1=Removable Media Status Notification feature set supported |
bit 3 | Advanced Power Management feature set supported |
bit 2 | 1=CFA feature set supported |
bit 1 | 1=READ / WRITE DMA QUEUED supported |
bit 0 | 1=DOWNLOAD MICROCODE command supported |
The value for this WORD is 7D09h.
Toshiba Corporation Digital Media Network Company
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