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4.6 Packet Commands
C156-E227-01EN 4-63
4.6.7 MODE SENSE (6) command
Table 4.76 MODE SENSE (6) command
Bit
Byte
76543210
0 Operation Code (1Ah)
1 Logical Unit Number Reserved DBD Reserved
2 PC Page Code
3Reserved
4 Allocation Length
5-11 Reserved
This command transfers the mode parameter list to the host. Table 4.77 shows the
mode parameter list format.
The Disable Block Descriptor (DBD) bit is ignored.
Page Control (PC) is ignored.
When Page Code is not 3Fh, an error occurs.
Table 4.77 Mode parameter list
Bit
Byte
76543210
0-3 Mode Parameter Header
The mode parameter list consists of a mode parameter header and page descriptor.
Because the page descriptor has no supported page, it always consists of only a
header. Table 4.78 shows the mode parameter header format.
Table 4.78 Mode parameter header
Bit
Byte
76543210
0 Mode data Length
1 Medium Type Code
2 WP Reserved
3 Block Descriptor Length