Introduction; Drive Overview - Seagate STT20000A Product Manual

Introduction

Introduction

Drive overview

STT20000A Product Manual
The Seagate STT20000A extends the Seagate family of one-inch high, DC2000
drives that feature high performance, high reliability, and quiet operation. The drive
transfers data at up to 60 megabytes per minute (Mbytes/min) without compression.
With optimal system resources and compressible data structures, nominal transfer
rates of up to 120 Mbytes/min can be observed using software data compression
(assumes 2:1 compression ratio).
System optimizations include but are not limited to allocating the maximum amount
of the base 640 Kbytes of memory available
Data compression is available within the Seagate Backup software package for
DOS and Windows and typically provides for up to a 2:1 compression ratio. The
compression ratio is dependent on the specific system and the nature of the files
being compressed.
This drive optimizes throughput through the Seagate feature FastSense
feature enables the drive to automatically sense the fastest supportable data
transfer rate of the host system and choose a transfer speed of either 1,000, 733, or
489 kilobytes/second (Kbyte/sec). This process maximizes system throughput by
eliminating tape repositioning, which is typically required when the tape drive
operates faster than the host computer.
The product is available as an internal device in either a 3.5-inch or half-high 5.25-
inch configuration. The drive form factors are tailored for easy installation in today's
computers.
The drive supports the QIC-3220-MC format standard and will provide 10 gigabytes
uncompressed storage capacity, 20 gigabytes compressed, with a Travan TR-5
cartridge.
The drive will also read tapes conforming to the QIC-3095 standard.
A precision burst intelligent positioning system is used to achieve high track
densities.
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