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The 3480 tape format is a magnetic tape data storage format developed by IBM. The tape is one-half inch (13 mm) wide and is packaged in a 4 in × 5 in × 1 in (102 mm × 127 mm × 25 mm) cartridge. The tape is one-half inch (13 mm) wide and is packaged in a 4 in × 5 in × 1 in (102 mm × 127 mm × 25 mm) cartridge.
Most (but not all) modern tape cartridges are 1 ⁄ 2 in (13 mm) format tape, first popularized by the IBM 3480 and DEC DLT formats. This is a small, rectangular and easily handled tape cartridge compared to the previously common 7-track and 9-track round tape reels.
An additional 370 channel card can be added to provide mainframe-specific I/O such as 3270 local control units, 3400/3480 tape drives or 7171 protocol converters. Although a single-card product, the P/370 ran three times faster than the 7437, attaining 3.5 MIPS, on par with a low-end IBM 4381 . [ 17 ]
Early IBM tape drives, such as the IBM 727 and IBM 729, were mechanically sophisticated floor-standing drives that used vacuum columns to buffer long u-shaped loops of tape. Between servo control of powerful reel motors, a low-mass capstan drive, and the low-friction and controlled tension of the vacuum columns, fast start and stop of the tape ...
9-track tape is a format for magnetic-tape data storage, introduced with the IBM System/360 in 1964. The 1 ⁄ 2 inch (12.7 mm) wide magnetic tape media and reels have the same size as the earlier IBM 7-track format it replaced, but the new format has eight data tracks and one parity track for a total of nine
The IBM 3590 is a series of tape drives and corresponding magnetic tape data storage media formats developed by IBM. The first drive, having the IBM product number 3590, was introduced in 1995 under the nickname Magstar. The 3590 series of tape drives and media are not compatible with the IBM 3592 line of drives that replaced it. They can store ...
After a failed attempt to develop an IBM-compatible mainframe, and an optical disk product line, the company filed for Chapter 11 bankruptcy protection in 1984. Starting in 1987, new management invested in an automated tape library product line that "picked" tapes from a silo-like contraption with a robot arm. StorageTek emerged as a dominant ...
Cassette tape, a two-spool tape cassette format for analog audio recording and playback and introduced in 1963 by Philips; DC-International, a format that was created by Grundig after Phillips had abandoned an earlier format that was being created alongside the Compact Cassette; 8-track tape, continuous loop tape system introduced in 1964