Desktop Tape Backup Unit (TBU) Support Docs by product:

 5502095 - Hewlett-Packard DLT VS80 40/80 SCSI TBU
 5501025 - Seagate IDE TR5 5.25" Tape Backup Unit Rev. 2
 5501024 - Seagate SCSI TR5 5.25" Tape Backup Unit Rev. 2
 5501023 - Seagate SCSI TR5 3.5" Tape Backup Unit Rev. 2
 5501021 - Seagate IDE TR5 3.5" Tape Backup Unit Rev. 2
 5501000 - Seagate SCSI TR5 3.5" Tape Backup Unit Rev. 1
 5500999 - Seagate IDE TR5 3.5-inch Tape Backup Unit Rev. 1
 5500835 - Seagate SCSI TR5 5.25-inch Tape Backup Unit Rev. 1
 5500833 - Seagate 4/8 GB IDE TR-4 Tape Backup Unit Rev. 4
 5500828 - Seagate 4/8 GB IDE TR-4 Tape Backup Unit Rev. 3
 5500827 - Seagate IDE TR5 5.25" Tape Backup Unit Rev. 1
 5500824 - Quantum DLT4000 20/40 GB TBU
 5500810 - Seagate SCSI TR5 3.5" Tape Backup Unit Rev. 0
 5500809 - Seagate IDE TR5 3.5" Tape Backup Unit Rev. 0
 5500805 - Seagate 4/8 GB IDE TR-4 Tape Backup Unit Rev. 2
 5500644 - Seagate TR-4 Tape Backup Unit Rev. 1
 5500550 - Seagate IDE TR5 5.25" Tape Backup Unit Rev. 0
 5500549 - Seagate SCSI TR5 5.25" Tape Backup Unit Rev. 0
 5500442 - Iomega Ditto 3200 Tape Backup Unit
 5500441 - Iomega Ditto 3200 Tape Backup Unit
 5500414 - Seagate SCSI Tape Backup Unit
 5500400 - Iomega Ditto 3200 Tape Backup Unit / DL
 5500391 - Iomega Ditto 3200 Tape Backup Unit
 TBUINT008AAWW - Seagate Tape Backup Unit
 TBUINT006AAWW - Seagate SCSI Tape Backup Unit
 TBUINT004ACWW - Iomega Ditto 3200 Tape Backup Unit
 TBUINT004ABWW - Iomega Ditto 3200 Tape Backup Unit
 TBUINT004AAWW - Iomega Ditto 3200 Tape Backup Unit
 TBUINT003AAWW - Colorado 1.3 Gig DL1 Tape Backup Unit
 TBUINT002ABWW - Colorado 1.3 Gig Tape Backup Unit
 TBUINT002AAWW - Colorado 1.3 GB Tape Backup Unit