Sony SDT-S9000/BM - Manual (Page 7)

6 Part 1. Introduction
Part 1. Introduction
About DDS Drives
The SDT-S9000/BM is an external DDS drive unit that uses data cartridges
conforming to the DDS-3 format and DDS-2 format. The SDT-S9000/BM
supports DDS-1, DDS-2 and DDS-3 formats.
Features
The DDS Drive Unit SDT-S9000/BM has the following features:
• The Digital Data Storage format provides a huge data storage capacity on
DDS-1/DDS-2/DDS-3 data cartridges.
• Read After Write Function and third-level error correction code guarantee
high data reliability.
• Data Compression provides 24 gigabytes of storage on a 125 m tape-length
cartridge. *1
The native capacity is 12 gigabytes of storage on a 125 m tape-length
cartridge.
• Stored data are automatically checked for compression.
• The SCSI-2 (ANSI SCSI-2 X3T9.2/86-109 REV.10C) interface is fully
supported for host computer access.
• Read/Write operation is available with both DDS-1, DDS-2 and DDS-3
format.
• Automatic Super Head Cleaner
*1 This is assuming 2 : 1 compression ratio.
The degree of data compression attained while recording data varies according to system
environment and data type.