Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!uc!shamash!pwp
From: pwp@shamash.cdc.com ( HOUFAC)
Newsgroups: comp.sys.mac.hardware
Subject: Re: SE/30 high pitch whine
Message-ID: <14834@shamash.cdc.com>
Date: 18 Dec 89 17:09:53 GMT
References: <IZW2pRi00XcQABdX18@andrew.cmu.edu> <wZWMeYS00UhB81p1Zq@andrew.cmu.edu> <1989Dec17.015432.5156@Neon.Stanford.EDU>
Reply-To: pwp@shamash.UUCP (Pete Poorman)
Organization: Control Data Corp., Houston, Texas
Lines: 14

In article <wZWMeYS00UhB81p1Zq@andrew.cmu.edu> ls1i+@andrew.cmu.edu (Leonard John Schultz) writes:
>I experenced the same problem you have.  I just got a new SE/30 and I
>installed 4 one-meg simms.  I then noticed a high-pitched wine when the
>computer wasn't doing anything, and especially when a screensaver is on,
>multifinder or not, one meg or five.  It gets higher and louder when I
>hold the mouse button in on the desktop and makes a thumping noise when
>I drag something.

I've seen workstations (not Mac) where the power supply generated strange
noises when I drag a window around.  It never made much sense to me, but
I was told "they all do that".

--Pete Poorman
  pwp@shamash.cdc.com