Hi Paul! Boy, I was thinking 'Kernel Patch' when I said kernel fix, all along with recompiling kernels and testing and hoping it will go with all the other patches I need and hoping it will get included soon and so on and so forth; while I would rather be producing music. And then you came up and brought up 'Kernel Parameter'. That's just beautiful. If there exists a kernel parameter that will solve this issue you can bet that I will find it, if I have to learn every line of the linux kernel by heart... IN BINARY MACHINE CODE. > nohlt [BUGS=ARM] > > no-hlt [BUGS=IA-32] Tells the kernel that the hlt > instruction doesn't work correctly and not to > use it. > > nohalt [IA-64] Tells the kernel not to use the power I tried nohlt and no-hlt but they didn't have any effect on the noise. I did a "grep -r nohlt /proc" and it mentioned something about a nohlt, so I would assume I made no mistakes in configuring grub properly. Thanks again, Paul, this is great. Carlo