From: dave@horsfall.org (Dave Horsfall)
Subject: [pups] thrust meter?
Date: Thu, 5 Oct 2006 22:15:54 +1000 (EST) [thread overview]
Message-ID: <Pine.BSI.4.61.0610052143300.19364@dave.horsfall.org> (raw)
In-Reply-To: <452424F9.28243.1AB56C7E@brian.quarterbyte.com>
On Wed, 4 Oct 2006, Brian Knittel wrote:
> The thrust meter project -- was that an analog meter that displayed %
> CPU utilization? I remember that Tom Ferrin had one mounted in the
> middle of a DEC panel filler on the 11/70 at the Computer Graphics Lab
> at UCSF. It was really delightful having this analog meter bouncing up
> and down as people worked away.
I believe so...
(Dave leans over to dig out article.)
OK, page 27 of AUUG Vol 2 No 5 (Jun/Jul 1980).
It integrated the BUS BUSY signal over a suitable time constant (and my
electronics knowledge is a bit too rusty to figure out Tc, but with a
10uF tantalum capacitor I imagine it would be a few seconds).
The credits are:
Designed originally by Pete Madams (Essex), modified by J Feenstra
(Nijmegen), and this drawing executed by Paul Griffith (Essex).
-- Dave
next prev parent reply other threads:[~2006-10-05 12:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-05 4:17 Brian Knittel
2006-10-05 12:15 ` Dave Horsfall [this message]
2006-10-09 23:02 ` John Holden
2006-10-10 9:05 ` Johnny Billquist
2006-10-10 11:00 ` Dave Horsfall
2006-10-10 22:20 ` John Holden
2006-10-10 10:55 ` Dave Horsfall
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