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6. Drive specifications
Summary of drive specifications
Category
Performance specifications
Tape length/type
60 m MP
90 m MP
120 m MP+
125 m MP++
Recording density
Flux density
Track density
Error recovery
Unrecoverable recording errors < 1 in 10
Tape drive type
Head configuration
Recording format
Recording method
Cartridge dimensions
Transfer rate (sustained)
Synchronous transfer rate
(burst)
Asynchronous transfer rate
(burst)
Search speed
Average access time
60 m tape
90 m tape
120 m tape
125 m tape
Load Time
Cassette swap time
DAT Autoloader Installation Manual
specification (four-cassette magazine)
(based on 2:1 data compression)
10.4 Gbyte (2.6 Gbytes / cassette)
16.0 Gbyte (4.0 Gbytes / cassette)
32.0 Gbyte (8.0 Gbytes / cassette)
96.0 Gbyte (24.0 Gbytes / cassette)
122,000 bpi
152,400 ftpi
2,804 tpi
Read-after-write, Reed Solomon ECC
(C3 - 3 levels)
15
data bits
Computer grade 4DD mechanism
2 read heads, 2 write heads
DDS-3
Helical scan (R-DAT)
2.9 in. x 2.1 in. x 0.4 in.
2,200 Kbyte/sec DC ON
10 Mbyte/sec max
7 Mbyte/sec max
200 X normal speed
(single cassette)
<20 sec
<30 sec
<40 sec
<40 sec
≤ 15 sec
≤ 8.5 sec
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