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360014937
Copyright ©2000 Toshiba corporation. All rights reserved.
- 582 -
WORD 69-79: Reserved
WORD 80: Major version number
If not 0000h or FFFFh, the device claims compliance with the major version(s) as indicated by bits 1 - 5 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 WRITE VERIFY command supported
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 7C6Bh.
WORD 83: Features/Command sets supported
bit 15 0 (Fixed)
bit 14 1 (Fixed)
bit 13-9 Reserved
bit 8 1=Set MAX security extension supported
bit 7 Reserved
bit 6 1=SET FEATURES subcommand required to spin up after power-up
bit 5 1=Power-Up in Standby feature set supported
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 4108h.
WORD 84: Features / Command sets supported
bit 15 0 (Fixed)
bit 14 1 (Fixed)
bit 13-0 Reserved
The value for this WORD is 4000h.