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General Information for 4.0GB 4-mm Tape Drive
The 4.0GB 4-mm tape drive is a streaming tape drive that is used to:
v Save and restore system data files.
v Archive important records.
v Distribute operating system software upgrades.
The 4-mm tape drive can be attached to any system using a single-ended interface
meeting the Small Computer System Interface ll (SCSI-ll) Standard ANSI X3.131-199X
Rev. 10h.
The 4-mm tape drive has the following features:
v Capacity of 4.0 GB per cartridge. A capacity of 8 GB is typical with data compression
and with DDS2 data cartridges.
The actual capacity per cartridge varies depending on the application and the type of
data cartridge being used.
v Data transfer rate is 400 KBps. 800 KBps is typical with data compression.
Note: Data compression activated is the default setting from the factory. Data
v Read and write of DDS|||| tape cartridges in 2.0 GB per cartridge format.
v A status light that indicates when it is time to clean the tape path.
v Internal diagnostics that are activated when the 4 mm Diagnostic Cartridge is
inserted and loaded into the drive.
v Media recognition system: only data grade media can be written with this tape drive.
The 4-mm tape drive uses a 4-mm data cartridge for saving and restoring your system
data. The 4-mm tape drive writes and reads only 4-mm Digital Data Storage (DDS|||| or
DDS2) cartridges.
Recommendations
Attention:
to and their use may cause the 4-mm tape drive to report an error.
v Use only 4-mm Digital Data Storage (DDS|||| or DDS2) cartridges.
Attention:
tape drive and voids the drive warranty.
v Clean the tape path by using the recommended cleaning cartridge. Follow the
instructions on the cartridge.
v Back up and then discard any tape cartridge that repeatedly produces error
messages. The error information is in the system error log.
v Do not open the data cartridge door that covers the tape. This door protects the
magnetic tape material from dirt, dust, and damage.
v Do not operate in a dusty environment.
v Do not touch the tape material. Any substance transferred to the tape by touching it
could cause loss of data.
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S80 and S85 User's Guide
compression is usually controlled by the application software.
Tape cartridges that do not carry the proper DDS symbol cannot be written
Use of other than recommended cleaning cartridges can damage your
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