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DAT 72/DDS-4 Product Manual
The DAT 72 and DDS-4 drives support DDS data compression. Compression
doubles a drive’s uncompressed capacity. For example, a 20 GB uncompressed
drive will be 40 GB with compression.
The DDS-4 drive complies with the following guidelines and specifications:
•
The DDS-2 recording format standard, ANSI/ECMA-198,
3,81mm Wide Magnetic
Tape Cartridge for Information Interchange - Helical Scan Recording - DDS-2
Format using 120 m Length Tapes
•
The DDS-3 recording format standard, ANSI/ECMA-236,
3,81mm Wide Magnetic
Tape Cartridge for Information Interchange - Helical Scan Recording - DDS-3
Format using 125 m Length Tapes
•
The DDS-4 recording format specification from ECMA-288:
3,81 mm Wide
Magnetic Tape Cartridge for Information Interchange - Helical Scan Recording:
DDS-4 Format
The DAT 72 drive complies with the following guidelines and specifications:
•
The DDS-3 recording format standard, ANSI/ECMA-236,
3,81mm Wide Magnetic
Tape Cartridge for Information Interchange - Helical Scan Recording - DDS-3
Format using 125 m Length Tapes
•
The DDS-4 recording format specification from ECMA-288:
3,81 mm Wide
Magnetic Tape Cartridge for Information Interchange - Helical Scan Recording:
DDS-4 Format
•
The DDS 5th Generation recording format specification from the HP DAT 72
Format Standard A5969-3050-1:
3,81 mm Wide Magnetic Tape Cartridge for
Information Interchange - Helical Scan Recording - DAT 72 Format Using 170 m
Length Tapes
.
Note:
For the latest ECMA standards, see the ECMA web site at
http://www.ecma.ch
DAT 72 and DDS-4 Capacity and Transfer Rates
The DAT 72 and DDS-4 drives provide the following capacities and transfer rates,
depending on the recording mode and the tape length:
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