Dell PowerVault ML6000 - Manual (Page 40)

30 SCSI Commands
Mode Parameter Header
Following the MODE SELECT CDB, a single Mode Parameter Header should be sent as shown in the
following table. For both the controller and Media Changer devices, none of the fields are actually used
however, and should all be set to zero.
Table 27 Mode Parameter Header format for Mode Select (6)
Bit
Byte
7 6 5 4 3 2 1 0
0 Reserved
1 Reserved
2 Reserved
3 Reserved