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See all on WikipediaHistory of IBM magnetic disk drives - Wikipedia
A prototype unit shipped in late 1960 was the first disk drive to use one head per surface flying on a layer of compressed air as in the older head design of the IBM 350 disk storage (RAMAC). Production 353s used self-flying heads essentially the same as those of the 1301. See more
IBM manufactured magnetic disk storage devices from 1956 to 2003, when it sold its hard disk drive business to Hitachi. Both the hard disk drive (HDD) and floppy disk drive (FDD) were invented by IBM and as such IBM's … See more
IBM 2302
The IBM 2302 is the System/360 version of the 1302, with track formatting in accordance with S/360 DASD architecture rather than 7000 … See moreThis section lists IBM manufactured HDDs offered both as an OEM product and for attachment to IBMs small systems such as the System/3, System/32, /34 and /36 and the AS/400. HDDs are identified by their OEM model number and listed chronologically by … See more
On October 17, 1994, IBM's Storage Systems division announced three new families of hard disk drives, the Travelstar 21⁄2-inch family for … See more
IBM 350
The IBM 350 disk storage unit, the first disk drive, was announced by IBM as a component of the IBM 305 RAMAC computer system on September 14, 1956. Simultaneously a very similar product, the IBM 355, was … See moreAnother important IBM innovation is the floppy disk drive. IBM first introduced the 8-inch FDD in 1971 as a read only program load device. In 1973 IBM shipped its first read/write floppy disk drive as a part of the 3740 Data Entry System. IBM established early … See more
Wikipedia text under CC-BY-SA license History of hard disk drives - Wikipedia
The IBM 350 Disk File was developed under the code-name RAMAC by an IBM San Jose team led by Reynold Johnson. It was announced in 1956 with the then new IBM 305 RAMAC computer. A variant, the IBM 355 Disk File, was simultaneously announced with the IBM RAM 650 computer, an enhancement to the IBM 650.
Wikipedia · Text under CC-BY-SA license- Estimated Reading Time: 9 mins
1956: First commercial hard disk drive shipped - CHM
WEBInformed by Jacob Rabinow’s ideas at NBS, IBM developed and shipped the first commercial Hard Disk Drive (HDD), the Model 350 disk storage unit, to Zellerbach …
RAMAC - IBM
WEBThe IBM 305 RAMAC — or simply RAMAC — was the first computer to use a random-access disk drive. The progenitor of all hard disk drives created since, it made it possible …
IBM 305 RAMAC - Wikipedia
- RAMAC was developed and manufactured at IBM's research facility in San Jose, California. In 1959, IBM's CEO Thomas J. Watson Jr. exhibited the RAMAC in Moscow. This led to a visit by Soviet leader Nikita Khrushchevto IBM's San Jose facility. The first RAMAC to be used in the U.S. auto industry was installed at Chrysler's MOPAR Division in 1957. It ...
- Estimated Reading Time: 8 mins
Tech Time Warp of the Week: The World's First Hard …
WEBJan 3, 2014 · IBM unleashed the world's first computer hard disk drive in 1956. It was bigger than a refrigerator. It weighed more than a ton. And it looked kinda like one of those massive cylindrical air...
Louis D. Stevens Jr. - IBM
WEBLouis D. Stevens Jr. was a pioneering engineer who made historic contributions to the invention of a unique magnetic disk storage device. The invention became a vital …
History: First HDD 55 Years Ago From IBM at 100
WEBJun 20, 2011 · In 1991, IBM released the first disk drive with MR heads. So it was that, 55 years ago, Ramac was born and with it the HDD industry. IBM, the proud parent, commemorated the event in 1996 by naming a …
IBM intros 1st computer disk storage unit, September 13, 1956
WEBSep 13, 2019 · Weighing in at more than a ton and storing 5MB of data, the IBM 305 RAMAC was the first supercomputer with a hard disk drive (HDD). Introduced by IBM …
Reynold B. Johnson - IBM
WEBReynold B. Johnson was a renowned and prolific inventor who led the team that created the world’s first commercial computer disk drive, RAMAC, or Random Access Method for …
The IBM 305 RAMAC, the First Computer with a Hard …
WEBOn September 14, 1956, at IBM's Glendale Laboratory in Endicott, New York, IBM demonstrated the 305 RAMAC (Random Access Method of Accounting and Control) Magnetic Drum Data Processing Machine. The …
IBM Gave Birth To Disk Drives 60 Years Ago: This Week In Tech …
WEBSep 12, 2016 · The RAMAC (Random Access Memory Accounting) is the first commercial hard drive disc that held 100 KB. The new IBM Microdrive holds one GB or 1,000,000 …
In 1956, 5MB was big enough for anyone – Digital, Data & Policy
WEBDec 26, 2011 · In September 1956, IBM launched the 305 RAMAC (Random Access Method of Accounting and Control), the first commercial computer that used a moving …
IBM's First 100 Years: A Heavily Illustrated Timeline
WEBJun 16, 2011 · Below, you can see the first commercial hard disk drive, the 350 RAMAC Disk Storage Unit, which was a major component of the groundbreaking 305 RAMAC …
Memory & Storage | Timeline of Computer History - CHM
WEBAnnounced on October 11, 1962, the IBM 1311 was the first disk drive IBM made with a removable disk pack. Each pack weighed about ten pounds, held six disks, and had a …
The History Of The Hard Drive - ThinkComputers.org
WEBJun 4, 2013 · In 1956, the first hard drive to be sold commercially was invented by IBM. This hard drive, shipped with the RAMAC 305 system, was the size of two refrigerators and …
The First Hard Drive Was Announced in 1956 fact - Fact / Myth
WEBSep 29, 2015 · The first hard disk drive, the IBM Model 350 disk storage, was invented in 1953 and announced for commercial use on September 14, 1956. Non-test models …
The first ever hard drive, the IBM 305 RAMAC
WEBThe IBM 305 RAMAC was the first ever commercially available hard disk drive. The size of a washing machine it stored 3.75MB - less than a photo today!
Hard disk drive - Wikipedia
WEBIBM's first hard disk drive, the IBM 350, used a stack of fifty 24-inch platters, stored 3.75 MB of data (approximately the size of one modern digital picture), and was of a size …
The IBM PS/1 (or IBM PS1) - The Silicon Underground
WEBJun 27, 2017 · It sported an Intel 80286 processor, 512 KB or 1 MB of memory, 1.44 MB floppy disk drive, and a 30 mb hard disk. It inherited the PS/2 keyboard and PS/2 …
Apple Lisa - Obsolete Computer Museum
WEBInspired by Xerox's new idea, the GUI, the Apple Lisa was, in 1982-83, Apple's attempt at making a revolution in computers. High price doomed it to the fate of other early GUI …
Mainframe computer - Wikipedia
WEBA mainframe computer, informally called a mainframe or big iron, [1] is a computer used primarily by large organizations for critical applications like bulk data processing for tasks …
I.B.M. Ring 1- St Louis, MO - ibmring1.com
WEBAnnual membership in IBM Ring 1 is $20 and is a bargain, considering our lineup of performers, lecturers, and activities! If any of your contact information has changed, …
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