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INTERFACE COMMANDS
7 – 12
WORD CONTENT DESCRIPTION
83 Command sets supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.
15-10, as currently defined
9, 1 = Automatic Acoustic Management feature set supported
8-0, as currently defined
84 Command set extensions supported. If words 84, 85 and 86 = 0000h or FFFFh command set notification not
supported.
15 = shall be cleared to zero
14 = shall be set to one
13-0 = reserved
85 Command set enabled. If words 84, 85 and 86 = 0000h or FFFFh command set notification not supported.
15, obsolete
14, 1 = NOP command enabled
13, 1 = Read Buffer command enabled
12, 1 = Write Buffer command enabled
11, obsolete
10, 1 = Host Protected Area feature set enabled
9, 1 = Device Reset command enabled
8, 1 = Service Interrupt enabled
7, 1 = Release Interrupt enabled
6, 1 = Look Ahead enabled
5, 1 = Write Cache enabled
4, 1 = Packet command feature set enabled
3, 1 = Power Mangement feature set enabled
2, 1 = Removable Media feature set enabled
1, 1 = Security Mode feature set enabled
0, 1 = SMART feature set enabled
86 Command sets supported. If words 82 and 83 = 0000h or FFFFh command set notification not supported.
15-10, as currently defined
9, 1 = Automatic Acoustic Management feature set supported
8-0, as currently defined
88 Ultra DMA
15-14 reserved
13 1 = Ultra DMA mode 5 is selected
0 = Ultra DMA mode 5 is not selected
12 1 = Ultra DMA mode 4 is selected
0 = Ultra DMA mode 4 is not selected
11 1 = Ultra DMA mode 3 is selected
0 = Ultra DMA mode 3 is not selected
10 1 = Ultra DMA mode 2 is selected
0 = Ultra DMA mode 2 is not selected
9 1 = Ultra DMA mode 1 is selected
0 = Ultra DMA mode 1 is not selected
8 1 = Ultra DMA mode 0 is selected
0 = Ultra DMA mode 0 is not selected
7-6 reserved
5 1 = Ultra DMA mode 5 and below are supported
4 1 = Ultra DMA mode 4 and below are supported
3 1 = Ultra DMA mode 3 and below are supported
2 1 = Ultra DMA mode 2 and below are supported
1 1 = Ultra DMA mode 1 and below are supported
0 1 = Ultra DMA mode 0 is supported
127 reserved
128 Security Status
15-9 reserved
8 Security Level 0 = High, 1 = Maximum
7-5 reserved
4 1 = Security count expired
3 1 = Security frozen
2 1 = Security locked
1 1 = Security enabled
0 1 = Security supported
129-130 reserved
131 Spin at power-up, but 0 is asserted when no spin at power-up is enabled.
132-159 Maxtor-specific (not used)
160-255 reserved