Western Digital WD15NPVX Technical Reference Manual page 42

AT Command Set
224-229
230-233
234
235
236-254
255
34
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 5/2/13 (WD CONFIDENTIAL)
WD Green MB500M-6Gb
0
0
0001h
1000h
0
XXA5h
2679-771422-A00