Western Digital Blue WD20SPZX Technical Reference Manual page 52

WORD FIELD DESCRIPTION
Commands and feature sets sup-
ported or enabled (Continued from
words 85-87)
Bit 15: Cleared to zero
Bit 14: Shall be set to one
Bit 13-10: Reserved
Bit 9: If set, DSN feature set enable
Bit 8: Reserved
Bit 7: If set, Extended Power Condi-
tions feature set supported
Bit 6: If set, Sense Data Reporting
120
supported
Bit 5: If set, Free-fall Control feature
set is enabled
Bit 4: If set, DOWNLOAD MICRO-
CODE with offsets is supported
Bit 3: If set, READ and WRITE DMA
EXT GPL optional commands sup-
ported
Bit 2: If set, WRITE UNCORRECTABLE
EXT supported
Bit1: If set, Write-Read-Verify feature
set enabled
Bit 0: Obsolete
Reserved for expanded supported
121-126
and enabled settings
127 Obsolete
Security Status
Bit 15-9: Reserved
Bit 8: Master Password Capability:
(0=High, 1=Maximum)
Bit 7-6: Reserved
Bit 5: If set, Enhanced Security Erase
supported
128
Bit 4: If set, Security count expired
Bit 3: If set, Security Frozen
Bit 2: If set, Security Locked
Bit 1: If set, Security enabled
Bit 0: If set, Security supported
129-159 Vendor Specific
WESTERN DIGITAL CONFIDENTIAL
ATA Command Set
F=fixed
V=variable
X= not defined
- 52 -
Drive Program
Power-on Default Value
F
F
V
V
4018h
V
V
F
F
F
V
X
F 0000h
X 0000h
V
F
0021h
V
V
V
V
F
0000000000000000000000
0000000000000000000000
0000000000040000000000
X
0000000000000000000000
0000000000000000000000
00000000000001h