5 Oct
2006
5 Oct
'06
6:15 p.m.
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