Note: The 3590 tape drives that are capable to receive the Extended High Performance Cartridge Tape are labeled 2x on the back of drive chassis. For B Model drives, the 2x label is placed below the serial number label. For Ultra and E Model drives, the 2x label is located below the respective Ultra and E labels which, in turn, are located below the serial number label. See Figure 4 for an illustration of the
The 2x information is available in Table 3 on page 10.
Figure 4. 2x Label Icon
123590 Operator Guide