Video/sound problems...

[Ello]

I've just recently built a pc and happily its working fine except in games. After about 5-15 mins the comp freezes and i get a weird squeaking sound from the speakers for about a second. Im using an Athlon XP 2000+, GeForce4 mx 440 and C-media AC'97 audio with 384MB sdram. I've also found out that the GFX card, the audio and my modem all share irq 11.
Could this be a cause? And is it a bad thing neway? Any help would be great, thanx in advance.

 

[phial]

yes the fact that theyre all using IRQ11 would dEFINATELy cause come problems dude.. roofles...

so yeah, like change it so they all have theyre own IRQ and then see if it still crashes

 

[Ello]

Oh I thought so, thanx.
Ummm...but i don't know how to change the irqs. I'm using Windows 2000 and I don't think my I can change them in the bios....so a lil' more help would be good. Thanx again.