Western Digital Purple PR1000M, Technical Reference Manual

Page: 48 / 63

ATA C
OMMAND
S
ET PR1000M
38 RELEASED 5/8/17 (WD CONFIDENTIAL) 2679-800020-A03
220 Bit 15-8: Reserved
Bit 7-0: Write-Read-Verify feature set current mode
0
221 Reserved
0
222 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
0001 0000 0011 1110
B
103E
H
223 Transport minor version number
0
224-229 Reserved
0
230-233 Extended Number of User Addressable Sectors (Qword)
0
234 Minimum number of 512-byte data blocks per
DOWNLOAD MICROCODE command for mode 03h
0001
H
235 Maximum number of 512-byte data blocks per
DOWNLOAD MICROCODE command for mode 03h
1000
H
236-254 Reserved
0
255 Integrity Word
Bit 15-8: Checksum
Bit 7-0: Signature
XXA5
H