User Manual

SCSI Commands Reference Manual, Rev. J 114
www.seagate.com Direct Access Block commands (SPC-5 and SBC-4)
3.12 MODE SENSE(10) command
The MODE SENSE(10) command (see table 75) provides a means for a device server to report parameters to an application client.
It is a complementary command to the MODE SELECT(10) command. Device servers that implement the MODE SENSE(10)
command shall also implement the MODE SELECT(10) command.
LLBAA (Long LBA Accepted) bit
1 If the Long LBA Accepted (LLBAA) bit is set to one, the device server is allowed to return parameter data with the LONGLBA bit equal to
one.
0 If LLBAA bit is set to zero, the LONGLBA bit shall be zero in the parameter data returned by the device server.
See the MODE SENSE(6) command (3.11) for a description of the other fields and operation of this command.
Table 75 MODE SENSE(10) command
Bit
Byte
7 6 5 4 3 2 1 0
0
OPERATION CODE (5Ah)
1
Reserved LLBAA DBD Reserved
2
PC PAGE CODE
3
SUBPAGE CODE
4
Reserved
. . .
6
7
(MSB) ALLOCATION LENGTH
8
(LSB)
9
CONTROL