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Topic: IBM 305


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  IBM 305 RAMAC- The First Computer with a Hard Disk Drive in 1956
IBM introduced the 305 RAMAC computer on September 13th, 1956, which was the first computer to include a disk drive named the IBM 350 Disk File.
IBM leased the 350 Disk File for a $35,000 annual fee.
At that time the Instant Replay Deck was introduced, which permitted the storage and playback of brief segments of analog video.
www.cedmagic.com /history/ibm-305-ramac.html   (230 words)

  
 IBM Archives: IBM 350 disk storage unit
The IBM 350 Disk Storage was a major component of the IBM 305 RAMAC (Random Access Memory Accounting) system, introduced in September 1956.
The 305 was a flexible, electronic, general purpose data processing machine that enabled businesses to record transactions as they occurred and concurrently reflect each entry in affected accounts.
In 1958, the 305 system was enhanced to permit an optional additional 350 Disk Storage Unit, thereby doubling storage capacity; and an additional access arm for each 350.
www-03.ibm.com /ibm/history/exhibits/storage/storage_350.html   (339 words)

  
 IBM 7337 305 Test und Preisvergleich
Die preisgekrönten Speicherprodukte von IBM nutzen den Technologiefortschritt und ermöglichen somit höhere Datenübertragungsraten.
Hier finden Sie alles zum Thema IBM 7337 305.
Bandlaufwerke von IBM sind auf eine einfache Installation, eine flexible Erweiterung und einen effizienten Investitionsschutz ausgelegt.
www.ciao.de /IBM_7337_305_35_GB_70_GB__1400704   (795 words)

  
 One Stop Solution for IBM Lenovo computers notebooks laptops servers printers factory approved memory ram upgrade ...
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www.ibmramfinder.com   (3550 words)

  
 IBM 305   (Site not responding. Last check: )
The IBM RAMAC 305 was the first commercial computer that used magnetic disk storage.
RAMAC stood for "Random Access Method of Accounting and Control." The 305 was one of the last vacuum tube computers that IBM built.
The IBM RAMAC 305 system with 350 disk storage leased for $3,200 per month.
www.xasa.com /wiki/en/wikipedia/i/ib/ibm_305.html   (127 words)

  
 PRESS RELEASE IBM Details Next Generation of Storage Innovation   (Site not responding. Last check: )
IBM solutions are based on open standards that use autonomic policy-based protocols to manage heterogeneous storage infrastructures efficiently and economically from a single point of control.
IBM System Storage DS8000 Turbo, introduced this August, can store up to 320 terabytes of information, which is the equivalent of all the images held in the Guggenheim, the Louvre, and the Metropolitan Museum of Art, and more.
The IBM 350 Disk Storage Unit was introduced on September 4, 1956 and the IBM 305 RAMAC Computer was introduced on September 13, 1956.
www.marketwire.com /mw/release_html_b1?release_id=160521&tsource=3   (631 words)

  
 Computer History Museum - What's happening - Special Projects
The Museum has an active computer restoration program, created to better understand historic hardware and software environments for research and collecting purposes as well as to provide visitors with a unique opportunity to experience a historic machine in its original operating condition.
The system, with a high-speed card reader/punch, line printer, and five reel-to-reel tape drives, had been stored in a garage by a retired IBM customer engineer for over 25 years.
Shortly after arriving at the Museum, a committed team of local retired IBM customer engineers formed to restore it to working condition.
www.computerhistory.org /events/special_projects/restorations.shtml   (383 words)

  
 IBM 305 RAMAC and the IBM 350 Disk Storage Unit hits 50 - by Phil Haylor   (Site not responding. Last check: )
Then, in 1952, IBM embarked upon a new research and development programme to investigate the concept of a rotating magnetic disk stack, based on its volumetric efficiency for recording surface storage.
On the 4th of September 1956, IBM subsequently launched the 350 Disk Storage Unit, which was taken to market by the IBM 305 RAMAC (Random Access Method of Accounting and Control) computer system.
IBM would officially announce the 305 RAMAC computing system to the media on 13th September 1956.
www.intelligentmind.co.uk /moc_IBMRAMAC50th.htm   (1111 words)

  
 Electronic Computers Within The Ordnance Corps, Appendix V -- Inventory of Computers
Management Letterkenny 2 IBM 305 Supply 1,271 120 Ord.
Ranier 2 IBM 305 Supply 709 73 Ord.
Management Raritan 2 IBM 305 Supply 1,889 39 Arsenal 1 RCA 501 Management Red River 2 IBM 305 Stock 950 113.6 Arsenal Management Rossford 1 IBM 1401 Supply 574 74 Ord.
ftp.arl.mil /~mike/comphist/61ordnance/app5.html   (322 words)

  
 IBM Builds on 50 Years of Spinning Disk Storage   (Site not responding. Last check: )
IBM certainly plans to be out front of the current explosion in storage capacity.
IBM bases its products on open standards that use autonomic policy-based protocols to manage storage efficiently and economically from a single point of control, the company said.
IBM scientist Spike Naraya offered a detailed explanation of how data densities on tape continue to be improved by leaps and bounds each year.
www.eweek.com /article2/0,1895,2014003,00.asp   (1756 words)

  
 The Four Hundred--The Disk Drive at 50: Still Spinning
Back in September 1956, it was just called the IBM 305 RAMAC, and it wasn't a disk drive so much as computing system attached to a giant disk drive.
IBM's researchers initially chose a drum for RAMAC instead of a disk platter (which was easier to manufacture) because it was stiffer and therefore it was easier to maintain a consistent space between the drum and the head that read data off the drum or magnetically encoded it on the drum.
Disk drives of the early 1960s--take the IBM 1311, for example--had a capacity of 3 MB stored on 50 tracks, with an average access time of 150 milliseconds and a spin rate of 1,500 RPM.
www.itjungle.com /tfh/tfh091806-story03.html   (1629 words)

  
 Magnetic Disk Memory Commemorated with Milestone Award
The story of magnetic disk storage began in 1952, when IBM Corp., based on the East Coast of the United States, in New York City, decided to set up a small research laboratory on the West Coast.
Perhaps most important, the new IBM 305 computer—a stand alone machine attached to the disk drive system—could access data randomly, an impossible task for magnetic tape or punched cards.
IBM announced its new technology on 6 May 1955, and the first IBM RAMAC 305 system system with the 350 disk file hit the market more than a year later—on 4 September 1956.
www.theinstitute.ieee.org /portal/site/tionline/menuitem.130a3558587d56e8fb2275875bac26c8/index.jsp?&pName=institute_level1_article&TheCat=2201&article=tionline/legacy/inst2005/may05/5w.fhistoryrama.xml   (557 words)

  
 EETimes.com
IBM Corp. was introducing a product that offered unprecedented random-access storage — 5 million characters (not bytes, they were 7-bit, not 8-bit characters).
IBM made the public announcement the following May and, in September 1956, featured what became known as the IBM 350 as part of the IBM 305 system, which included a card reader and printer.
When IBM appealed, the award was eliminated and IBM was awarded $18.5 million stemming from a finding that Telex had engaged in trade-secret violations.
www.eetimes.com /news/98/1016news/disk.html   (2392 words)

  
 PRESS RELEASE IBM Donates Early Learning 'KidSmart' Computer Centers to Cherokee Nation Head Start Program   (Site not responding. Last check: )
IBM employee volunteers, many of whom are members of the Cherokee and other tribal nations, helped to install the Young Explorers and train teachers and students.
IBM has donated more than 30,000 Young Explorer Learning Centers to preschools and nonprofit child care centers in more than 50 countries in Europe, Asia, Latin America and Africa, with a total investment of more than $56 million.
IBM is the world's largest information technology company, with over 80 years of leadership in helping businesses innovate.
www.marketwire.com /mw/release_html_b1?release_id=124623   (617 words)

  
 CIOL : News : Fifty years of storage: IBM: history of storage
It all started with the research on direct processing solutions at the IBM Lab in San Jose, California, resulting in the shipment of the IBM System 305 and the first hard disk drive, the Random Access Method of Accounting and Control (RAMAC) on September 13, 1956.
RAMAC used memory disks coated with magnetic iron oxide paint — similar to that used on San Francisco’s Golden Gate Bridge — and held a total of 5 megabytes (MB) of data on fifty 24-inch platters mounted on a rotating spindle.
IBM 1311, which used to store two million characters, followed.
www.ciol.com /content/news/2006/106091204.asp   (660 words)

  
 IBM Could Lose Half Its PC Prospects To Dell, HP - Hardware Technology News by TechWeb
Almost half of the U.S. enterprises who were IBM PC prospects said that they're ready to consider Dell or HP now that the Armonk, N.Y.-based giant is dumping its desktop and laptop business, a research firm reported Thursday.
Earlier this week, IBM sold its PC business to Lenovo Group, China's biggest computer maker, for $1.75 billion in cash and stock.
But while IBM executives have been promising that there will be little or no disruption in business as the hand-over takes place, analysts at research firms such as Forrester sang a different tune.
www.techweb.com /wire/hardware/55300732   (871 words)

  
 Chronology of IBM Personal Computers
IBM meets with Microsoft again, to talk in general terms about their planned personal computers.
IBM shows Project Acorn to several members of ComputerLand, to get their suggestions.
IBM splits its Personal Computer development team into three groups: one to work on the PC XT, one to develop the PCjr, and one to start work on the PC AT.
www.islandnet.com /~kpolsson/ibmpc   (1939 words)

  
 The IBM 1401
At $2500 per month minimally configured, this was IBM's first affordable general-purpose computer, and it was intended to take the place of all the accounting machines and calculators that still provided a cheaper alternative to IBM's 650 and 70x computers.
The 1401 was the first in IBM's 1400 series of computers, which later included the 1410, 1440, and 1460.
The IBM 1401 -- a predecessor to the System 360 -- had all the processing power and memory of today's arcade games, but it ran three shifts a day, seven days a week keeping track of an inventory of 105,000 items supporting requisitions worth $32 million a month.
www.columbia.edu /acis/history/1401.html   (2922 words)

  
 Hard drives turn 50 today! - Engadget
On that fateful day IBM created the original -- called the RAMAC 305 -- which held around 5 MB of data at the cost of $10,000 per megabyte, and was the size of two refrigerators.
IBM RAMAC 305, the computer that introduced disk storage technology to the world on September 4, 1956.
The IBM 355 was announced on September 14, 1956.
www.engadget.com /2006/09/13/hard-drives-turn-50-today   (1331 words)

  
 TVTechnology - Media Server Technology
IBM engineers later floated the head above the magnetic surface, a fundamental principle that would become the mainstay methodology of the magnetic disk recording technology even through today.
The IBM Winchester drive, introduced in 1973, bore the internal project name of the 30-30 Winchester rifle and employed the first sealed internal mechanics.
The IBM 3340 Winchester drive had both a removable and a permanent spindle, each with a capacity of 30 MB.
www.tvtechnology.com /features/Media-Server-Tech/a_from_tape_to_disk.shtml   (1442 words)

  
 Reconditioned IBM Tape Library  or drives
IBM storage products were the first on the market – the reason being that IBM is the original innovator of magnetic tape storage and supporting products.
IBM storage remains a strong presence in the data storage market today.
If your business is considering a reconditioned IBM tape library, make sure you purchase from an organization like Sunstar Co that is a certified reseller of IBM tape library equipment.
www.sunstarco.com /SEO_reconditioned_ibm_tape_library.htm   (318 words)

  
 IBM eServer xSeries 305 8673 - PC Desktops Shopping at dooyoo.co.uk
IBM eserver xSeries 305 8673 - Rack - 1 x P4 3.06 GHz - RAM 256 MB - HD 1 x 36.4 GB - CD - LAN EN, Fast EN, Gigabit EN - Monitor : none - 1 U / IBM xSeries 305 is a highly affordable, ultra-dense server for Web and network infrastructure.
IBM eserver xSeries 305 8673 - P4 3.06 GHz
Mehr bei dooyoo Deutschland: IBM eServer xSeries 305 8673
www.dooyoo.co.uk /pc-desktops/ibm-eserver-xseries-305-8673   (324 words)

  
 BRL Report 1961
IBM 305 RAMAC Data Processing System Random Access Method of Accounting and Control MANUFACTURER International Business Machines Corporation Photo Photo by International Business Machines Corporation APPLICATIONS Manufacturer Inventory control, manufacturing control, billing (invoicing and order writing, parts substitution, payroll, hospital accounting, sales analysis, accounts receivable, fiscal accounting, and Air Force parts inventory and accounting.
The disk units are available with storage capacities of 5 million digits and 10 million digits and may be used either singly or in any combination of two to provide storage capacities of 5, 10, 15 and 20 million digits.
An in-line printer such as the IBM 407 is desirable on certain applicarions, and is expected to be added to our IBM 305 System.
www.ed-thelen.org /comp-hist/BRL61-ibm03.html   (7243 words)

  
 [No title]
It was called the 701 and it was a vacuum tube-type which was to be improved by the replacement of the vacuum tubes by transistors in 1959.
In 1971 IBM presented the Floppy Disk (Floppy because it was flexible), and in 1975 they constructed the first portable computer, the IBM 5100.
IBM helped pioneer information technology over the years, and it stands today at the forefront of a worldwide industry that is revolutionizing the way in which enterprises, organizations and people operate and thrive.
pegasus.cc.ucf.edu /~an191243/project1.doc   (714 words)

  
 IBM 305 - Definition, explanation
The IBM 350 disk system stored 5 million characters.
Two independent access arms moved up and down to select a disk and in and out to select a recording track, all under servo control.
Production ended in 1961 and the 305 was withdrawn in 1969.
www.calsky.com /lexikon/en/txt/i/ib/ibm_305.php   (165 words)

  
 ibm 305: Blogs, Photos, Videos and more on Technorati
ibm 305: Blogs, Photos, Videos and more on Technorati
Foi o que aconteceu com o blog do K1K0, que à semelhança de outros blogs, concentra as notícias que lhe interessaram através das feeds destas.
Blog posts tagged ibm 305 per day for the past 30 days.
www.technorati.com /tag/ibm+305   (171 words)

  
 Used IBM RS6000 7337-305: IBM IBM Digital Linear Tape Library Model 305
We specialize in all used and refurbished IBM 7337-305 equipment and related hardware.
Your 7337-305 will come with a standard NowComp 30 day warranty (inquire about extended warranties) and is certified for IBM maintenance.
Ask us about our IBM and third party 7337-305 installation services, as well as our other software and hardware product and maintenance offerings.
www.nowcomp.com /rs6000_7337-305.htm   (121 words)

  
 IBM Laptop Battery: IBM Laptop Chargers, AC Adaptors and other Accessories
IBM Laptop Battery: IBM Laptop Chargers, AC Adaptors and other Accessories
Due to warehouse maintenance, orders placed after 3 pm 8/23 will be processed on Monday 8/27.
Select the model number of your IBM Laptop from the list below to find the IBM Laptop Chargers, AC adapters and other Accessories we carry for all your IBM devices.
www.lowcostbatteries.com /Laptop-Batteries/IBM_m/11_mid_305.htm   (132 words)

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