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XL500S
ATA Command Set
2679-701211-A06
RELEASED 10/21/10 (WD CONFIDENTIAL)
37
89
Time required for Normal Erase mode SECURITY ERASE UNIT
command
002Bh
90
Time required for an Enhanced Erase mode SECURITY ERASE
UNIT command
002Bh
91
Current advanced power management level value
0
92
Master Password Identifier
XXXXh
93
Hardware Reset Result
0000h
94
Current automatic acoustic management value
Bits 15-8: Vendor’s recommended Acoustic Management
value
Bit 7-0: Current Automatic Acoustic Management value
80h = Acoustic Mode
FEh = Performance Mode
80XXh
95-99
Not supported
0
100-103
Maximum user LBA for 48-bit Address Feature Set (QWord)
WD5000AAKx (976,773,168)
WD3200AAKX (625,142,448)
WD2500AAKX (488,397,168)
104
Not supported
0
105
Reserved
0000h
106
Physical sector size / Logical Sector Size
Bit 15: Shall be cleared to zero
Bit 14: Shall be set to one
Bit 13: If set, Device has multiple logical sectors per physical
sector.
Bit 12: If set, Device Logical Sector Longer than 256 Words
Bit 11-4: Reserved
Bit 3-0: 2PX logical sectors per physical sector
0000h
107
Inter-seek delay for ISO-7779 acoustic testing in microseconds
0000h
108-111
World Wide Name
XXXXXXXXXXXXXXXX
112-118
Not supported
0
119
Commands and feature sets supported (Continued from words
82-84)
Bit 15: Shall be cleared to zero
Bit 14: Shall be set to one
Bit 13-6: Reserved
Bit 5: If set, Free-fall Control feature set is supported.
Bit 4: If set, DOWNLOAD MICROCODE with offsets is
supported.
Bit 3: If set, READ and WRITE DMA EXT GPL optional
commands are supported.
Bit 2: If set, WRITE UNCORRECTABLE EXT is supported.
Bit 1: If set, Write-Read-Verify feature set is supported.
Bit 0: Reserved
0100000000011000b
120
Commands and feature sets supported or en-abled (Continued
from words 85-87)
Bit 15: Shall be cleared to zero.
Bit 14: Shall be set to one.
Bit 13-6: Reserved
Bit 5: If set, Free-fall Control feature set is enabled.
Bit 4: If set, DOWNLOAD MICROCODE with offsets is
supported.
Bit 3: If set, READ and WRITE DMA EXT GPL optional
commands are supported.
Bit 2: If set, WRITE UNCORRECTABLE EXT is supported.
Bit 1: If set, Write-Read-Verify feature set is enabled.
Bit 0: Reserved
0100000000010100b
121-126
Reserved
0
127
Obsolete
0
WORD
FIELD DESCRIPTION
VALUE