Re: Strange sound from motherboard
- From: GSV Three Minds in a Can <GSV@xxxxxxxxxxxxxxxx>
- Date: Sun, 30 Jul 2006 21:52:06 +0100
Bitstring <1154289928.075410.33270@xxxxxxxxxxxxxxxxxxxxxxxxxxx>, from the wonderful person mikaelstaldal <ymmyecgczh@xxxxxxxxxxxxxx> said
I recently bought a new custom built computer. It has an ASUS A8V-E
Deluxe motherboard and an AMD Athlon 64 3500+ CPU.
My problem is that the computer emits a strange annoying high frequency
sound. The sound seems to come from the motherboard (or CPU). It is not
from any fan, I tried to disable both fans on the motherboard, but the
sound is still there. It is not from the video adapter, I tried to
remove it (that's the only add-on card on the motherboard).
What is this sound? And how can I get rid of it?
It's usually/often the toroidal (donut shaped) ferrite cores in the VCore generation circuitry (usually just towards the back of the case from the CPU) buzzing, especially if it varies in pitch or volume with the load on the CPU. They have some (thickish) Copper wire looped round them, and they usually come in 4s.
Hot melt glue has been known to fix the problem, (sometimes just poking things does the job, or moving the copper wires slightly) but if you paid good money for this system, and it's under some sort of warranty, then get the system builder to fix it for you, rather than messing with it yourself.
See:
http://www.motherboardpoint.com/t22821-a7n8xe-deluxe-high-pitched-noise.h
tml
fwiw my A8N32SLI doesn't do it (but it has 8 phase VCore generation, instead of the usual 4 (or sometimes even less).
--
GSV Three Minds in a Can
Google may be your friend, but groups.google.com posters definitely aren't.
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