disk pack


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disk pack

[′disk ‚pak]
(computer science)
A set of magnetic disks that can be removed from a disk drive as a unit.

disk pack

An early removable hard disk module used in minicomputers and mainframes that contained two or more platters housed in a dust-free container. For mounting, the protective bottom of the unit was removed, and the disk pack was placed into the drive. Then the top part of the disk pack was unscrewed and removed.


Disk Packs
Disk drives used to be huge washing machine-like devices. These were the kinds of removable disk modules that were used in them.








The Actual Devices
Taken in the 1970s, this picture shows the disk pack being loaded into the drive. Such disks held only a couple of hundred megabytes. (Image courtesy of Unisys Corporation.)
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Positive oil circulation through the clutch and brake disk packs is vital to cool and lubricate the friction surfaces.
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In the threats to traditional documentary materials, one can see several hazards to electronic media, whether "floppy" diskettes from an author's personal computer or a mainframe's mass-storage disk packs and tapes.
The company maintains who off-site vaults, one for storing magnetic media such as computer tapes, disk packs, and floppy disks and another for storing microfilm and microfiche.
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This includes the Sun Blade 2000 workstation, 360 GB Disk Packs, StereoGraphics Media Player, and an initial 8-hour training for up to 5 people.