Seagate Scorpion 240 DDS-4 Manual De Instalación página 56

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Summary of drive specifications
Category
Performance specifications
Tape length/type
90 m MP
120 m MP+
125 m MP++
150 m MP+++
Recording density (DDS-4)
Track density (DDS-4)
Error recovery
Unrecoverable recording errors
Head configuration
Recording format
Cartridge dimensions
Transfer rate (sustained)
Synchronous transfer rate (burst)
Search speed
Average access time
90 m tape
120 m tape
125 m tape
150 m tape
Load Time
Cassette swap time
Drum rotation speed
Scorpion 240 Autoloader Installation Manual
Specification (six-cassette magazine)
(based on 2:1 data compression)
24.0 Gbyte (4.0 Gbytes / cassette)
48.0 Gbyte (8.0 Gbytes / cassette)
144.0 Gbyte (24.0 Gbytes / cassette)
240.0 Gbyte (40.0 Gbytes / cassette)
122,000 bpi
147.34 tracks/mm
Read-after-write, Reed Solomon ECC,
(C3 - 3 levels)
15
< 1 in 10
data bits
2 read heads, 2 write heads
DDS-1, DDS-2, DDS-3, DDS-4
2.9 in. x 2.1 in. x 0.4 in.
2.75 Mbyte/sec uncompressed
5.5 Mbyte/sec compressed
80 Mbyte/sec max (LVD)
40 Mbyte/sec max (single-ended)
400 X normal speed
(single cassette)
<30 sec
<40 sec
<40 sec
<40 sec
≤ 15 sec
≤ 8.5 sec
10,000 RPM

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