Word
Value
84
4000h
85
4278h
(Default value)
86
0000h
87
4000h
4 - 26
Table 4.20 Device parameter information (4/5)
Bits
Command set supported
15
Always B'0'.
14
Always B'1'.
13-0
Reserved
Command set supported and whether the function is enabled or
disabled
(A value of less than 1 indicates that the command is supported and
enabled.)
15
IDENTIFY DEVICE DMA command support (B'0')
14
NOP command support (B'1')
13
READ BUFFER command support (B'0')
12
WRITE BUFFER command support (B'0')
11
WRITE VERIFY command support (B'0')
10
Host protect area function support (B'0')
9
DEVICE RESET command support (B'1')
8
SERVICE command interrupt is enabled (B'0': Default value)
7
Interrupt at release is enabled (B'0': Default value)
6
Read ahead cache is enabled (B'1': Default value)
5
Write cache is enabled (B'1': Default value)
4
Packet command function support (B'1')
3
Power management function support (B'1')
2
Removable media function support (B'0')
1
Security mode enabled (B'0')
0
SMART function is enabled (B'0')
Command set supported and whether the function is enabled or disabled
(A value of less than 1 indicates that the command is supported and
enabled.)
15-1
Reserved (B'0')
0
DOWNLOAD MICROCODE command supported (B'0')
Command set supported and whether the function is enabled or disabled
(A value of less than 1 indicates that the command is supported and
enabled.)
15
Always B'0'.
14
Always B'1'.
13-0
Reserved
C156-E142-02EN
Description