The Bernoulli Box (or simply Bernoulli, named after Daniel Bernoulli) is a high-capacity (for the time) removable floppy disk storage system that is Iomega's first widely known product. It was released in 1982.
The original Bernoulli Alpha drive spins a PET filmfloppy disk at about 1500 rpm,[1] 1 μm over a read-write head, using Bernoulli's principle to pull the flexible disk towards the head as long as the disk is spinning. In theory this makes the Bernoulli drive more reliable than a contemporary hard disk drive, since a head crash is impossible.
The original disk cartridges came in capacities of 5, 10, and 20 MB; they are 8.23 x 11.02 x 0.71 inches,[1] about the size of a standard piece of letter paper but thicker.
The most popular system was the Bernoulli Box II, whose disk cases are 13.6 cm wide, 14 cm long and 0.9 cm thick, somewhat resembling a 5¼-inch standard floppy disk. The disks came in the following capacities: 20 MB, 35 MB, 44 MB, 65 MB, 90 MB (late 1980s), 105 MB, 150 MB, and in 1993, 230 MB. There are five types of drives, grouped by the maximum readable capacity: 20 MB, 44 MB, 90 MB, 150 MB, and 230 MB. The interface is usually SCSI. Drives were available as either internal units, which fit into standard 5 1⁄4-inch drive bays, or as external units with one or two drives in a self-contained case connected to the host computer via external SCSI connector. The disks have a physical switch similar to that on 3 1⁄2-inch standard floppy disks to enable and disable write protection.
Receptionedit
PC Magazine in 1984 stated that the Bernoulli Box "... combines the advantages of [standard] floppy- and hard-disk systems without their drawbacks." It reported no software-compatibility problems and cited the box's durable design.[2]Bruce Webster of BYTE wrote favorably of the peripheral in February 1986, reporting that "I have not had a single glitch or lost file" in nine months of constant use.[3]
Successorsedit
Iomega's later removable-storage products such as the Zipfloppy disk and Jaz and Rev removable hard disks do not use the Bernoulli technology.
^Vaughan, Frank; Aarons, Richard (1984-09-18). "The Bernoulli Solution". PC Magazine. p. 148. Retrieved 25 October 2013.
^Webster, Bruce (February 1986). "Programming Tool and the Atari ST". BYTE. p. 331. Retrieved 9 May 2015.
External linksedit
Brutman, M (February 27, 2011). "The Bernoulli Box A220H". Retrieved April 29, 2019.
"Iomega Corporation History". Retrieved April 29, 2019.
January 01, 1970
bernoulli, this, article, includes, list, general, references, lacks, sufficient, corresponding, inline, citations, please, help, improve, this, article, introducing, more, precise, citations, september, 2013, learn, when, remove, this, message, simply, bernou. This article includes a list of general references but it lacks sufficient corresponding inline citations Please help to improve this article by introducing more precise citations September 2013 Learn how and when to remove this message The Bernoulli Box or simply Bernoulli named after Daniel Bernoulli is a high capacity for the time removable floppy disk storage system that is Iomega s first widely known product It was released in 1982 230 MB Bernoulli disk 20 MB Bernoulli disk Contents 1 Overview 2 Reception 3 Successors 4 References 5 External linksOverview editThe original Bernoulli Alpha drive spins a PET film floppy disk at about 1500 rpm 1 1 mm over a read write head using Bernoulli s principle to pull the flexible disk towards the head as long as the disk is spinning In theory this makes the Bernoulli drive more reliable than a contemporary hard disk drive since a head crash is impossible The original disk cartridges came in capacities of 5 10 and 20 MB they are 8 23 x 11 02 x 0 71 inches 1 about the size of a standard piece of letter paper but thicker The most popular system was the Bernoulli Box II whose disk cases are 13 6 cm wide 14 cm long and 0 9 cm thick somewhat resembling a 5 inch standard floppy disk The disks came in the following capacities 20 MB 35 MB 44 MB 65 MB 90 MB late 1980s 105 MB 150 MB and in 1993 230 MB There are five types of drives grouped by the maximum readable capacity 20 MB 44 MB 90 MB 150 MB and 230 MB The interface is usually SCSI Drives were available as either internal units which fit into standard 5 1 4 inch drive bays or as external units with one or two drives in a self contained case connected to the host computer via external SCSI connector The disks have a physical switch similar to that on 3 1 2 inch standard floppy disks to enable and disable write protection Reception editPC Magazine in 1984 stated that the Bernoulli Box combines the advantages of standard floppy and hard disk systems without their drawbacks It reported no software compatibility problems and cited the box s durable design 2 Bruce Webster of BYTE wrote favorably of the peripheral in February 1986 reporting that I have not had a single glitch or lost file in nine months of constant use 3 Successors editIomega s later removable storage products such as the Zip floppy disk and Jaz and Rev removable hard disks do not use the Bernoulli technology References edit a b IOMEGA Alpha 10H Technical Description Manual Vaughan Frank Aarons Richard 1984 09 18 The Bernoulli Solution PC Magazine p 148 Retrieved 25 October 2013 Webster Bruce February 1986 Programming Tool and the Atari ST BYTE p 331 Retrieved 9 May 2015 External links editBrutman M February 27 2011 The Bernoulli Box A220H Retrieved April 29 2019 Iomega Corporation History Retrieved April 29 2019 Retrieved from https en wikipedia org w index php title Bernoulli Box amp oldid 1219413229, wikipedia, wiki, book, books, library,
