http://www.thebiggertruth.com/2009/06/in-case-you-havent-noticed-that-were-regressing-back-to-1963/ Welcome to the bigger truth! I'll try to add some context around "how" or "why" things might mean more than meets the eye. Thu, 02 Sep 2010 15:09:58 +0000 hourly 1 http://wordpress.org/?v=3.0 http://www.thebiggertruth.com/2009/06/in-case-you-havent-noticed-that-were-regressing-back-to-1963/comment-page-1/#comment-24 Anthony V Fri, 05 Jun 2009 00:32:14 +0000 http://www.thebiggertruth.com/2009/06/in-case-you-havent-noticed-that-were-regressing-back-to-1963/#comment-24 The last great water cooled S390 machines were in fact not IBM at all, but Hitachi (Hitachi Skyline Trinium). IBM abandoned water for air with the 9672 (around the time of Lou Gerstner). They started with just air cooling, then went for refrigeration and now the circle is complete.... For that matter, 43x1s (such as the great 4381) were also air cooled. The last great water cooled S390 machines were in fact not IBM at all, but Hitachi (Hitachi Skyline Trinium).
IBM abandoned water for air with the 9672 (around the time of Lou Gerstner). They started with just air cooling, then went for refrigeration and now the circle is complete….
For that matter, 43x1s (such as the great 4381) were also air cooled.

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