Hello my friend has a system I'm try to help him over the net but I guess when he hits 7x multiplier 300 fsb his sounds starts to glitch it gets fuzzy and such. Also the sound card is installed into a PCI Port. I think 1 the mobo is junk (self evident after looking at reviews) and or the Fsb is glitching his PCi-Bus. But I would also like to know if there is an application to see loads on pcs without having to buy a tester. His System: Took me awhile to get all this info as I'm helping over steam lol Code: Intel 4300 1.8 O/C to 2.01 ASRock-4coreduel-sata2 - Bios Ver 1.90 2 gig of muskin 800 ram XFX 9600gt Sound Card XFI Gamers – PCI 1x DVD burner 2x HDD’s 1 ide 1 sata 4x USB Connection 500 psu Antec Thanks for reading and any advice given I'm still trying to coax him to join up here since he does build a good bit of pcs he could learn allot lol.