SCSI Commands: 22BMODE SELECT Page 823.10.4.1 Block Descriptor Field DescriptionsField Bytes Bits DescriptionDefault = 7FhLTO4 drive LTO3 driveLTO2 = 42h (read only) LTO1 = 40h (read only)LTO3 = 44h LTO2 = 42hLTO4 = 46h LTO3 = 44hDensityCode0No change = 00hBlockLength5-7 0 = Variable length block mode. The Fixed bit in READ and WRITEcommands must be 0.1 to FFFFFFh = The length of the fixed-length block to be read orwritten when the Fixed bit is set in a READ or WRITE command.Reserved All reserved bits must be 0.Note: Use Report Density command to determine all densities supported by the drive and density of thetape currently in the drive.3.10.5 Mode Parameter PagesThere are several mode parameter pages of different formats that allow you to setdifferent drive parameters. The following mode parameter pages are supported:Mode Parameter Page See PageDisconnect/Reconnect Mode Page (02h) 84Control Mode Page (0Ah) 88Data Compression Control Mode Page (0Fh) 90Sequential Access Device Configuration Mode Page (10h) 91Protocol Specific Logical Unit Mode Page (18h) 91Protocol Specific Port Mode Page (19h) 93Information Exceptions Mode Page (1Ch) 91Medium Configuration Mode Page (1Dh) 76Drive Capabilities Control Mode Page (21h) 101Interface Control Mode Page (22h) 101The following table shows the general format of a Mode Parameter Page.ByteBits7 6 5 4 3 2 1 00 Reserved Page Code1 Additional Page Length2 - n Mode Parameters
