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2. History of IBM magnetic disk drives - Wikipedia

   en.wikipedia.org/wiki/History_of_IBM_magnetic...

   IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. [1] [2] Both the hard disk drive (HDD) and floppy disk drive (FDD) were invented by IBM and as such IBM's employees were responsible for many of the innovations in these products and their technologies. [3]

3. IBM 7340 - Wikipedia

   en.wikipedia.org/wiki/IBM_7340

   The IBM 7340 "Hypertape" system was a magnetic tape data storage format designed to work with the IBM 7074, 7080 and 7090 computers that was introduced in 1961 and withdrawn in 1971. As a technology, it deviated in several ways from the then dominant IBM 7 track system. It distinguished itself by having higher capacity, faster data transfer ...

4. Magnetic-tape data storage - Wikipedia

   en.wikipedia.org/wiki/Magnetic-tape_data_storage

   The IBM 7340 Hypertape drive, introduced in 1961, used a dual reel cassette with a 1-inch-wide (2.5 cm) tape capable of holding 2 million six-bit characters per cassette. [ citation needed ] In the 1970s and 1980s, audio Compact Cassettes were frequently used as an inexpensive data storage system for home computers , [ b ] or in some cases for ...

5. IBM 700/7000 series - Wikipedia

   en.wikipedia.org/wiki/IBM_700/7000_series

   IBM 7010 system: console (in front), disc drives and processing modules (left), tape storage, punch card reader and printer (right) The 700/7000 commercial architecture inspired the very successful IBM 1400 series of mid-sized business computers. In turn, IBM later introduced a mainframe version of the IBM 1410 called the IBM 7010. Data format

6. History of hard disk drives - Wikipedia

   en.wikipedia.org/wiki/History_of_hard_disk_drives

   The IBM PC XT in 1983, included an internal standard 10 MB hard disk drive and IBM's version of Xebec's hard disk drive controller, and soon thereafter internal hard disk drives proliferated on personal computers, one popular type was the ST506/ST412 hard drive and MFM interface.

7. IBM 7070 - Wikipedia

   en.wikipedia.org/wiki/IBM_7070

   The IBM 729 is a 7-track tape drive common to most of the IBM 14xx and 70xx computers. It is available as a model II and a faster model IV. It is available as a model II and a faster model IV. The models II and IV normally record at 556 BPI, but they support 200 BPI for compatibility with the older IBM 727 and 729 model I.