This version is a recommended upgrade.
In order to complete the microcode download to a 35GB DLT tape drive you will need to get the GENUCODE package from the IBM RS/6000 WEB site along with the microcode and DSDATA file in this package.
This package will get you to step where you will need to use GENUCODE to download the microcode into the tape drive.
Current Levels
Machine Type Current Level Also Know As 7205-311 2150 V80 7337-305 2150 V80
 lscfg -vl rmt0               <--- change the drive number to reflect>
                                   the actual rmt address of the 35GB
                                   DLT tape drive.
  DEVICE            LOCATION          DESCRIPTION
  rmt0              00-03-01-0,0      Differential SCSI DLT Tape Drive
                                      (35000 MB)
        Manufacturer................QUANTUM
        Machine Type and Model......IBM-7205
        Device Specific.(Z1)........1734  <-- This is the microcode level>
                                              currently in the drive.