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Chapter 5 Specifications

LTO Cartridge Specifications

52 LTO-4 (Model B) Half-Height Tape Drive User’s Guide

Cartridge Memory Each Ultrium 1, 2, and 3 cartridge has 4 Kbytes of nonvolatile memory:

• 3 Kbytes are used to store tape-directory and hardware specific

information.

• 1 Kbyte is available for application and OEM use.

Each Ultrium 4 cartridge has 8 Kbytes of nonvolatile memory:

• 4 Kbytes are used to store tape-directory and hardware-specific

information.

• 128 bytes are used for error information.

• Approximately 4K bytes are not used.

The cartridge memory is powered, read, and written to via a radio-

frequency link.

Cartridge Reliability After 5,000 load/eject cycles, replace the cartridge to insure data

integrity.

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Quantum LTO 4 Guia do Utilizador Página 68