Western Digital Purple PR1000M Technical Reference Manual page 48

ATA C S
OMMAND ET
220
221
222
223
224-229
230-233
234
235
236-254
255
38
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 5/8/17 (WD CONFIDENTIAL)
PR1000M
0
0
0001 0000 0011 1110
B
103E
H
0
0
0
0001
H
1000
H
0
XXA5
H
2679-800020-A03