I'm Getting a "Siren" Sound after trying to overclock.

[Spidey]

When I change my multiplier or try to up the core voltage I get a siren on boot up. I just got a Duron 850, A7V 133 Raid mobo, and Micron 128Mb ram. I did the pencil trick. Looked good through a magnifying glass. I'm running a 300 watt supply that is solid. Any Idea's guys?
I'd appreciate it. This is my first overclocking experience.
What a Rush!!!!

[dgk]

Nobody answered this yet?

You throw the switch an immediately get a weird noise? So then you turn it off before anything explodes. Reasonable. Perhaps the heatsink isn't on correctly and some alarm is screaming?

If that isn't the case, does it post? Boot? Or does it just scream. I think we need more info.

[AZZKICKER]

i dont know about the asus board but with my abit board mine does that when i dont have a fan plugged into the #1 fan header

look through your book and see if there is something like that or anouther perifial that might need to be in there

[silent bob]

it sounds like either your memory is not seated all the way in the slot .. or..
if you installed the A7V Probe your fan is out of threshold range or not pluged into the CPU FAN setting on mobo, I have A7v no raid
hope that helps,let us know how it goes

[mrpcman]

It sounds loke it might just be the mobo warning you saying you are about to fry your cpu.

[michaelkahl]

"Minime quit humping the Duron!"
Theres your problem

[hooziewhatsit]

does it do that even when you don't change anything?