IBM 4mm DDS-2 Tape Autoloader, Installation And User Manual

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Product Features
The 4mm DDS-2 Tape Autoloader has a cartridge-changer mechanism that:
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Is compatible with the SCSI-2 Medium Changer command set
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Has a SCSI-2 interface for the drive and changer
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Has a standard 5-1/4 inch, full-height form factor
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Requires no operator maintenance apart from regular head cleaning
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Is easy to use
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Takes an average of only 90 seconds to swap a tape cartridge and locate a file
The DDS-2 drive (embedded in the 4mm DDS-2 Tape Autoloader) has the following
features:
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Built-in ability to compress and decompress data
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A sustained streaming transfer rate of 510KB/second with no compression;
typically twice this rate using data compression
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High reliability, with a mean-time-between-failure rate of more than 200,000
hours
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A large data buffer (1MB) (MB equals approximately 1,000,000 bytes) to maintain
the host's transfer rate
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Automatic error detection and correction
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Read-after-write error detection and correction
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Three levels of error correcting code (ECC)
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Synchronous and asynchronous communication modes
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Single-ended SCSI configuration
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Electrically upgradeable firmware through SCSI, or through a Firmware Upgrade
tape
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Compatibility with the SCSI-2 Sequential Access command set
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No operator maintenance apart from regular head cleaning
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Compatibility of format with other DDS-2 drives, and backward compatibility with
DDS-1 and DDS-DC drives.
Chapter 1. Overview
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