p4b-lx pci lock?

can anyone tell me if this board has a pci lock or what divider it has plz
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thanx

And can anyone tell me what the MBM5 sensors are? it doesnt seam to be on their website and messing around with it gave me 88c, just wanna make sure this isnt the actual temp!

re p4b-lx pci lock?

The P4b-lx is set to 100/66/33.
100=FSB
66=AGP
33=PCI

There doesn't appear to be anyway to alter this. There are no jumpers or dip switches on the board, and neither of the bios' I've tried have allowed me to alter the ratio or fix the settings.(award versions 1004 and 1007).
You can use the Clockgen version CG-ICS950224 to overclock a little, but if you push the PCI bus too high the onboard AC'97 will shut down. If it does you can restart your computer to reset the sound card, which will also reset your computer back to stock speeds. Then you can try again at a lower setting.