Mailinglist Archive: opensuse (1777 mails)

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Re: [opensuse] Moving to IPv6
  • From: Per Jessen <per@xxxxxxxxxxxx>
  • Date: Tue, 14 Sep 2010 22:09:20 +0200
  • Message-id: <i6okpg$488$1@xxxxxxxxxxxxxxxx>
James Knott wrote:

IIRC, aircraft equipment commonly used 400 Hz AC, which meant power
supplies could be built with smaller transformers, capacitors etc.

I think that went for IBM mainframes as well - I've spent quite a few
years working with IBM equipment, I feel pretty certain the power
supply boxes (biiiiig cupboards) produced 400Hz AC for supplying the
3090s, the 3380s and such.

Per Jessen, Zürich (14.4°C)

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