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From: dot at dotat.at (Tony Finch)
Subject: [COFF] [TUHS] A/UX [was Linux is on-topic]
Date: Sat, 15 Aug 2020 16:18:52 +0100	[thread overview]
Message-ID: <alpine.DEB.2.20.2008151615010.7275@grey.csi.cam.ac.uk> (raw)
In-Reply-To: <c538840843c9a04d508265b1f4fb8069@firemail.de>

moving to COFF ...

Thomas Paulsen <thomas.paulsen at firemail.de> wrote:

> >I'm sure everyone here knows this, but the Cray 1 (I think, the one
> that had what looked like a circular bench seat around the bottom) was
> designed like that because the clock was at the center and the clock
> signal went to all the boards and was right because all the clock lines
> to the boards were the same length.<
>
> you mean that? https://upload.wikimedia.org/wikipedia/commons/f/f7/Cray-1-deutsches-museum.jpg

I found the Cray 1M site planning reference manual very interesting -
here's a summary with links to the actual documents

http://www.howtospotapsychopath.com/2012/06/15/they-called-it-big-iron-for-a-reason/

Tony.
-- 
f.anthony.n.finch  <dot at dotat.at>  http://dotat.at/
Ardnamurchan Point to Cape Wrath: North or northeast 3 to 5, becoming variable
2 at times. Slight or moderate, becoming smooth or slight between Barra and
Canna. Fog patches. Moderate or good, occasionally very poor.


       reply	other threads:[~2020-08-15 15:18 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CAFNqd5XH4q-56hCUKDyUet_or2FF92fgD6jcWT_Ou9fFxMozkQ@mail.gmail.com>
     [not found] ` <A3FD82AA-2459-44D7-9AC1-D6BE1484E147@anteil.com>
     [not found]   ` <202008141739.07EHdn2U1381389@darkstar.fourwinds.com>
     [not found]     ` <4F69D0BB-C6C8-443C-A5A2-0F0C1E5578B0@cfcl.com>
     [not found]       ` <20200815012003.GQ32735@mcvoy.com>
     [not found]         ` <c538840843c9a04d508265b1f4fb8069@firemail.de>
2020-08-15 15:18           ` dot [this message]
2020-08-15 17:09             ` krewat
2020-08-15 18:01               ` steffen
2020-08-15 18:04                 ` steffen
2020-08-18 23:15               ` dot

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