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From: philip@pescadero.Stanford.EDU (Philip Machanick)
Newsgroups: comp.sys.mac.hardware
Subject: Re: Help: IIcx powers itself down
Message-ID: <1990Dec17.201702.14330@Neon.Stanford.EDU>
Date: 17 Dec 90 20:17:02 GMT
References: <1192@dg.dg.com> <1990Dec8.010224.14756@cunixf.cc.columbia.edu> <N67786.90Dec17085417@lehtori.tut.fi>
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Reply-To: philip@pescadero.stanford.edu
Organization: Computer Science Department, Stanford University
Lines: 29

Since this is not going to die down of its own accord, let's inject a few
facts:
o from Special Features of Your Macintosh IIcx (recent manual set), p. 9
  "power: 90 watts maximum, not including monitor power"
                            ###########################
  - this is broken down as follows:
    +5V  12.0 A
    +12V  1.5 A
    -12V  1.0 A
Note - no mention of the 100-240V monitor output in these figures - they
add up to 90W (5x12+12x1.5+12x1).
o from the label on the power supply:
  - the above voltage breakdown, plus:
  "receptacle 110-240V~ 50-60Hz 3A"
o on the box, next to the monitor power socket
  "100-240V 3A"
Watts (power) = volts x amps; please do the appropriate arithmetic
to see if you can safely plug your monitor, hair dryer, toaster or
whatever into the back of your IIcx.

All this seems particularly clear (at risk of belabouring): the rated 90W
of the cx power supply DOES NOT INCLUDE THE MONITOR OUTPUT.

What's more, the information is available just where you'd expect
to find it: on the back of the CPU box, on the power supply and in the
manual.
-- 
Philip Machanick
philip@pescadero.stanford.edu