Western Digital Purple PR1334M Technical Reference Manual page 45

WD Purple PR1334M
WORD
76
77
78
79
80
81
82
2679-800084-A04
FIELD DESCRIPTION
Serial ATA Capabilities
Bit 15-13: Reserved
Bit 12: Supports Native Command Queuing priority
information
Bit 11: Supports Unload while NCQ commands
outstanding
Bit 10: Supports Phy event counters
Bit 9: Supports receipt of host-initiated interface power
management requests
Bit 8: Supports Native Command Queuing (NCQ)
Bit 7-3: Reserved for future Serial ATA signaling speed
grades
Bit 7-4: Reserved for future Serial ATA signaling speed
grades
Bit 3: If set, Supports Serial ATA Gen3 signaling speed (6
Gb/s)
Bit 2: 1= Supports Serial ATA Gen2 signaling speed
(3 Gb/s)
Bit 1: 1= Supports Serial ATA Gen1 signaling speed
(1.5 Gb/s)
Bit 0: Shall be cleared to zero
Reserved for Serial ATA
Serial ATA Features Supported
Bit 7-15: Reserved for Serial ATA
Bit 6: If set, device supports software settings preservation
Bit 5: Reserved for Serial ATA
Bit 4: If set, device supports in-order data delivery
Bit 3: If set, device supports initiating power management
Bit 2: If set, device supports DMA Setup Auto-activation
Bit 1: If set, device supports non-zero buffer offsets
Bit 0: Cleared to zero
Serial ATA Features Enabled
Bits 7-15: Reserved for Serial ATA
Bit 6: If set, software settings preservation enabled
Bit 5: Reserved for Serial ATA
Bit 4: If set, In-order data delivery enabled
Bit 3: If set, device initiated power management enabled
Bit 2: If set, DMA Setup Auto-activation enabled
Bit 1: If set, non-zero buffer offsets enabled
Bit 0: Cleared to zero
Major Version Number
Bit 15-10: Reserved
Bit 9: if set, supports ACS-2
Bit 8: if set, supports ATA8-ACS
Bit 7: if set, supports ATA/ATAPI-7
Bit 6: if set, supports ATA/ATAPI-6
Bit 5: if set, supports ATA/ATAPI-5
Bit 4 –1: Obsolete
Bit 0: Reserved
Minor Version Number
Command and feature sets supported
Bit 14: If set, NOP command supported
Bit 13: If set, Read buffer command supported
Bit 12: If set, Write buffer command supported
Bit 11: Obsolete
Bit 10: If set, Host Protected Area Feature Set supported
Bit 9: If set, Device Reset command supported
Bit 8: If set, Service interrupt supported
Bit 7: If set, Release interrupt supported
Bit 6: If set, look-ahead supported
Bit 5: If set, Write Cache supported
Bit 4: Cleared to 0 to indicate that the PACKET feature set
is not supported.
Bit 3: If set, mandatory Power Management Feature Set
supported
Bit 2: Obsolete
Bit 1: If set, Security Feature Set supported
Bit 0: If set, SMART Feature Set supported
RELEASED 5/3/17 (WD CONFIDENTIAL)
ATA Command Set
VALUE
9F0Eh
0006h
004Ch
0000 0000 0X0X XXX0b
07FEh
006Dh
746Bh
33