re: high-pitched tone from pc speaker

2003-08-14 Thread Jeffrey Racine
Hi Matt.

Do you have a UPS? This happened to me and I too thought it was the 
speaker, but the extra juice consumed by the second processor was in 
fact setting off the UPS alarm when the second processor was loaded 
up... when idle, nothing. My UPS is next to my box, and for a day I 
thought it was the PC speaker...

-- Jeff

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Re: high-pitched tone from pc speaker

2003-08-14 Thread Matt Heath
Michael Haro wrote:

I recently installed FreeBSD 4.8 on a server at work.  I cvsup'd and
installed an updated world and installed a few ports.  I also
rebuilt the kernel to support dual processors.  I don't know if this
always happened, but now the on-board pc speaker (the one that goes
beep, not from a sound card) emits a high-pitched tone a minute or two
after boot.
 

it could be just be the speaker inducting the electro-magnetic 
interference from the motherboard when it enabled the second CPU

if it is one of those surface contact ones I guess you could break it by 
forcing something down the little hole

it it is one on wires you can test my hypothesis by making the wires longer

or you could take out / disable the second CPU and see if that cures it

If you have a sensitive sound card you can hear the mb activity as I 
have myself, mine used to make noise when moved the mouse

my first computer the Acorn BBc Micro used to suffer the same problem, 
you could hear scrolling text



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