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A hard disk drive failure occurs when a hard disk drive malfunctions and the stored information cannot be accessed with a properly configured computer. A hard disk failure may occur in the course of normal operation, or due to an external factor such as exposure to fire or water or high magnetic fields , or suffering a sharp impact or ...
1980 – Seagate releases the first 5.25-inch hard drive, the ST-506; [36] it had a 5-megabyte capacity, weighed 5 pounds (2.3 kilograms), and cost US$1,500 [37] 1982 – HP 7935 404 megabyte, 7-platter hard drive for minicomputers, HP-IB bus, $27,000; 1983 – RO351/RO352 first 3 1 ⁄ 2 inch drive released with capacity of 10 megabytes [38]
As of 2016, the typical speed of a hard drive in an average desktop computer is 7,200 rpm, whereas low-cost desktop computers may use 5,900 rpm or 5,400 rpm drives.
The Hewlett-Packard HP3013/3014, nicknamed Kittyhawk, was a hard disk drive introduced by Hewlett-Packard on June 9, 1992. [1] [2] At the time of its introduction, it was the smallest hard disk drive in the world, being only 1.3-inches in size. The drive was created by a collaboration between Hewlett-Packard, AT&T, and Citizen Watch. [3] [2]
HP-86B with 9121 dual diskette drive. The first model of the Series 80 was the HP-85, introduced in January 1980. [1] BYTE wrote "we were impressed with the performance ... the graphics alone make this an attractive, albeit not inexpensive, alternate to existing small systems on the market ... it is our guess that many personal computer experimenters and hackers will want this machine."
In August 1995, HP released the first computer in the Pavilion line known as the HP Pavilion 5030, an IBM PC–compatible desktop computer designed for multimedia use. While it was not the first multimedia PC the company made, it was the first computer made by HP that was designed specifically for the home market.
Since around 1990, where a hard drive is present it will typically be a 2.5-inch drive; some very compact laptops support even smaller 1.8-inch HDDs, and a very small number used 1" Microdrives. Some SSDs are built to match the size/shape of a laptop hard drive, but increasingly they have been replaced with smaller mSATA or M.2 cards.
A head crash in a modern drive. Note circular scratch mark on the platter. A head crash. A head crash is a hard-disk failure that occurs when a read–write head of a hard disk drive makes contact with its rotating platter, slashing its surface and permanently damaging its magnetic media. It is most often caused by a sudden severe motion of the ...
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