F=Fixed
V=Variable
Word Default Value Description
X=Both
71-74 F 0h Reserved (for future command overlap and
queuing)
75 F 0h
Reserved for the IDENTIFY packet DEVICE
command
76 F 001Eh Queue depth
77 F 0106h Serial ATA capabilities
78 F 0h Reserved for future Serial ATA definition
79 F 0048h Serial ATA features supported
80 V 0040h Serial ATA features enabled
81 F 00FCh Major Version Number
82 F 001Ah Minor Version Number
83 F 746Bh Command set supported
84 F 7C01h Command sets supported
85 F 6123h Command set /feature supported extension
86 V 7469h Command set /feature enabled
87 V BC01h Command set /feature enabled
88 V 6123h Command set /feature default
89 V 407Fh Ultra DMA modes
90 F 0001h
Time required for security erase unit
completion
91 F 0001h
Time required for enhanced security erase
completion
92 V 0h Current advanced power management value
93 V 0FFFEh Master Password Revision Code
94 F 0h
Hardware reset result. The contents of bits
(12:0) of this word shall change only during
the execution of a hardware reset.
95 V 0h
Vendor’s recommended and actual acoustic
management value
96 F 0h Stream Minimum Request Size
97 V 0h Streaming Transfer Time - DMA
98-99 V 0h Streaming Access Latency - DMA and PIO
100-103 F 0h Streaming Performance Granularity
104 125,045,424
105 V (64GB)
Maximum user LBA for 48-bit Address feature
set
106 V 0h Streaming Transfer Time - PIO
107 F 0h Reserved
108-111 F 4000h Physical sector size/logical sector size
112-115 F 0h Inter-seek delay for ISO-7779 acoustic testing
in microseconds
116 F varies Unique ID
117-118 F 0h Reserved for word wide name extension to
128 bits
119 V 0h Reserved for technical report
120 F 0h Words per logical sector
Specification 17