User's Manual

Chapter 2 Specifications
Page 12 STT20000A Product Manual
Drive performance specifications
The following table lists the performance specifications for the STT20000 SCSI
minicartridge drive.
Feature Specification
Capacity
10.0 gigabytes—1650 Oe 740' Travan cartridge
(uncompressed)
20.0 gigabytes—1650 Oe 740' Travan cartridge
(compressed)
Effective backup rate
up to 60 Mbyte/min typical native; up to 120
Mbyte/min typical compressed
Data transfer rate
489 / 733 / 1,000 Kbyte/second
FastSense
TM
Tape speed
Read/Write
Search/Rewind
46,70, or 94 ips
90 ips maximum
Recording method
Serpentine
Recording format
QIC-3220-MC
Recording code
1,7 RLL
Error recovery
Reed Solomon ECC
Recording unrecoverable
errors
Less than 1 in 10
15
data bits
Head configuration
Wide write/narrow read
Recording media
1650 Oe 740' Travan TR-5
Cartridge size
3.2 in. x 2.4 in. x 0.4 in. (81 mm x 61 mm)
Data density
100,400 bpi
Tracks
108 data tracks, one (1) directory track
Synchronous transfer
rate (burst)
5 Mbytes/second maximum
Asynchronous transfer
rate (burst)
5 Mbytes/second maximum