12/24 Gb 4 Mm Tape Cartridge Types; Tape Cartridge Compatibility; Mm Tape Write Density Setting - IBM RS/6000 User Manual

12/24 GB 4 mm Tape Cartridge Types

The following types of 12/24 GB 4 mm tape cartridges can be used:
Type
Test Tape Cartridge
Data Tape Cartridge
Cleaning Tape Cartridge

Tape Cartridge Compatibility

The tape drive is compatible with existing 12/24 GB 4 mm tape subsystems that are
designed to operate with Digital Data Storage approved media (DDS-1, DDS||||, DDS-2,
or DDS-3), which meet the following European Computer Manufacturers Association
(ECMA) standards:
v ECMA-139 "3.81 Wide Magnetic Tape Cartridge for Information Interchange" –
Helical Scan Recording – DDS Format.
v ECMA-139 "3.81 Wide Magnetic Tape Cartridge for Information Interchange" –
Helical Scan Recording – DDS-2 Format.
v ECMA-139 "3.81 Wide Magnetic Tape Cartridge for Information Interchange" –
Helical Scan Recording – DDS-3 Format.

4 mm Tape Write Density Setting

When reading a tape, the drive automatically determines which format is written on the
tape.
When writing to a tape, use SMIT (System Management Interface Tool) to change the
density setting of the tape drive to correspond to the type of media installed. Refer to
the following table for information about the specific density setting:
Media Type
DDS1
DDS||||
DDS2
DDS3
Density Settings for 4 mm Media
Device Compatibility
Read Only
Read / Write (2.0 GB Mode Only)
Read / Write (4.0 GB Mode Only)
Read / Write (12.0 GB Mode Only)
Purpose
Checks the operation of the drive or to run
diagnostics. Do not use it to save programs or
data. This cartridge, which is specially labeled,
is included with the 12/24GB 4mm Tape Drive.
Saves your programs or data. This cartridge is
included with the 12/24GB 4mm Tape Drive.
Cleans the 12/24GB 4mm Tape Drive. See
"Cleaning the Tape Path on the 12/24GB 4mm
Tape Drive" on page 37. This cartridge is
included with the 12/24GB 4mm Tape Drive.
SMIT Density Setting
N/A
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Chapter 2. Using the 44P Series Model 270
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