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Using Your Digital Data Storage (DDS) Tape Drive
DDS Tape Drive and Data Cassette Descriptions
DDS Tape Drive and Data Cassette Descriptions
This section describes basic information needed for using your DDS tape
drive and data cassettes.
DDS Drive
Your DDS tape drive is either a DDS-DC (early or later model) or a DDS-2
tape drive with a 3.5-inch form factor, data compression, and a single-ended
SCSI interface. Both drives incorporate data compression capability and are
high-capacity, high transfer-rate devices for data storage on tape. With com-
pression, the DDS-DC drives can store up to 4 GB of data on a 90 meter tape
and the DDS-2 drive can store up to 8 GB of data on a 120 meter tape.
Storage Capacities
The maximum storage capacities of different DDS drives with and without
data compression are shown in the following tables;
Table 5 DDS Tape Drive Capacities Without Data Compression
Tape Length
Full Height 5 1/4
DDS Tape Drive
DDS-DC
Tape Drives
DDS-2
Tape Drive
60 meter 1.3 GB 1.3 GB 1.3 GB
90 meter Not Supported 2.0 GB 2.0 GB
120 meter Not Supported Not Supported 4.0 GB
Table 6 DDS Tape Drive Capacities With Data Compression
Tape Length
Full Height 5 1/4
DDS Tape Drive
DDS-DC
Tape Drives
DDS-2
Tape Drive
60 meter 2.6 GB 2.6 GB 2.6 GB
90 meter Not Supported 4.0 GB 4.0 GB
120 meter Not Supported Not Supported 8.0 GB