User guide

F=Fixed
V=Variable
Word Default Value Description
X=Both
64 F 0007h Multi-word DMA modes supported/selected
65 F 0003h PIO modes supported
66 F 0078h
Minimum multiword DMA transfer cycle time
per word
67 F 0078h
Manufacture’s recommended multiword
DMA transfer cycle time
68 F 0078h
Minimum PIO transfer cycle time without flow
control
69-70 F 0078h
Minimum PIO transfer cycle time with IORDY
flow control
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.
18 Specification