Western Digital Re EX800M Technical Reference Manual page 45

EX800M
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2679-771339-A05
Queue Depth
Bit 15-5: Reserved
Bit 4-0: Maximum queue depth - 1
Serial ATA Capabilities
Bit 15-13: Reserved
Bit 12: If set, supports Native Command Queuing priority
information
Bit 11: If set, supports Unload while NCQ commands
outstanding
Bit 10: If set, supports Phy event counters
Bit 9: If set, supports receipt of host-initiated interface
power management requests
Bit 8: If set, supports Native Command Queuing (NCQ)
Bit 7-3: Reserved for future Serial ATA signaling speed
grades
Bit 2: If set, supports Serial ATA Gen2 signaling speed
(3 Gb/s)
Bit 1: If set, 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 8/13/13
ATA Command Set
001Fh
1001 1101 0000 0110b
950Eh
0002h
0000 0000 0100 1000
0044h
0000 0000 0X0X XXX0b
01FEh
0000h
0111 0100 0110 1011b
746Bh
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