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14059Re: [midatlanticretro] PC Authority / Slashdot old computer coverage...

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  • Bob Schwier
    Sep 1, 2009
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      The story I heard was that SAGE was finally put off line because, in the seventies,
      they discovered that the only source for the vacuum tubes was from Yugoslavia,
      a then communist state.  As with so much other military gear, they had real
      problems programming newer, off the shelf, hardware to do the same job and
      accept data from the existing sources.

      --- On Fri, 8/28/09, brian_cirulnick <techrat@...> wrote:

      From: brian_cirulnick <techrat@...>
      Subject: [midatlanticretro] PC Authority / Slashdot old computer coverage...
      To: midatlanticretro@yahoogroups.com
      Date: Friday, August 28, 2009, 11:21 AM


      http://www.pcauthor ity.com.au/ Gallery/153867, computer- history-museum- photo-gallery- weird-fascinatin g-photos- including- a-giant-cray- and-a-60kg- hard-drive. aspx/

      http://hardware. slashdot. org/article. pl?sid=09/ 08/28/0341209

      "We might sometimes complain about the limitations of today's technology, but there's nothing like seeing photos of a 27Kg hard drive with a capacity of 5MB to put things into perspective. PC Authority has toured the Computer History Museum in California, and has posted these fascinating photos, including monster 27Kg and 60Kg drives, and a SAGE air-defense system. Each SAGE housed an A/N FSQ-7 computer, which had around 60,000 vacuum tubes. IBM constructed the hardware, and each computer occupied a huge amount of space. From its completion in 1954 it analyzed radar data in real-time, to provide a complete picture of US Airspace during the cold war. Other interesting photos and trivia include some giant early IBM disc platters, and pics of a curvaceous Cray-1 supercomputer, built in 1972. It was the fastest machine in the world until 1977 and an icon for decades. It cost a mere $6 million, and could perform at 160MFLOPS — which your phone can now comfortably manage."

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