Western Digital Purple PR1200M Technical Reference Manual page 46

ATA Command Set
WORD
174-175
176-205
206
207-208
209
210-211
212-213
214
215-216
217
218
219
220
221
222
223
224-229
230-233
234
235
236-254
255
36
FIELD DESCRIPTION
Reserved
Current Media Serial number
SCT Command Transport
Bit 15-12: Vendor Specific
Bit 11-6: Reserved
Bit 5: If set, SCT Data tables command supported
Bit 4: If set, SCT Features Control command supported
Bit 3: If set, SCT Error Recovery Control command
supported
Bit 2: If set, SCT Write Same command supported
Bit 1: If set, Obsolete
Bit 0: If set, SCT Command Transport supported
Reserved
Alignment of logical blocks within a physical block
Bit 15: Shall be cleared to zero
Bit 14: Shall be set to one
Bits 13-0: Logical sector offset within the first physical
sector where the first logical sector is placed.
Write-Read-Verify Sector Count Mode 3
Write-Read-Verify Sector Count Mode 2
NV Cache Capabilities
Bit 15-12: NV Cache feature set version
Bit 11-8: NV Cache Power Mode feature set version
Bit 7-5: Reserved
Bit 4: If set, NV Cache feature set enable
Bit 3-2: Reserved
Bit 1: If set, NV Cache Power Mode feature set enable
Bit 0: if set, NV Cache Power Mode feature set supported
NV Cache Size in Logical Blocks
Nominal media rotation rate
Reserved
NV Cache Options
Bit 15-8: Reserved
Bit 7-0: Device Estimate Time to spin up in seconds
Bit 15-8: Reserved
Bit 7-0: Write-Read-Verify feature set current mode
Reserved
Transport major version number
0000h or FFFFh=device does not report version
Bit 12-15: Transport Type (0h=Parallel 1h=Serial 2h-
Fh=Reserved)
Bit 6-11: Reserved (Parallel, Serial)
Bit 5: Reserved SATA Rev. 3.0
Bit 4: Reserved SATA Rev. 2.6
Bit 3: Reserved SATA Rev. 2.5
Bit 2: Reserved SATA II: Extensions
Bit 1: ATA/ATAPI-7 SATA 1.0a
Bit 0: ATA8-APT ATA8-AST
Transport minor version number
Reserved
Extended Number of User Addressable Sectors (Qword)
Minimum number of 512-byte data blocks per
DOWNLOAD MICROCODE command for mode 03h
Maximum number of 512-byte data blocks per
DOWNLOAD MICROCODE command for mode 03h
Reserved
Integrity Word
Bit 15-8: Checksum
Bit 7-0: Signature
RELEASED 5/4/17 (WD CONFIDENTIAL)
WD Purple™ PR1200M
VALUE
0
0
0011 0000 1011 1101b
303Dh
0
4000h
0
0
0
0
1644h
0
0
0
0
0001 0000 0011 1110b
103Eh
0
0
0
0001h
2800h
0
XXA5h
2679-800065-A03