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| The small, rectangular cartridge
used in the IBM 3480 Magnetic Tape Subsystem was
about one-fourth the size of a standard reel of
10.5-inch magnetic tape, yet it stored up to 20
percent more data -- a total of 200 million characters.
The rate at which data could be stored in the cartridge's
one-half-inch wide chromium dioxide tape, or retrieved
from it, was the result of using 18 recording tracks
and achieving a linear data recording density of
about 38,000 bytes per inch -- six times the density
used in previous IBM tape drives. |
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