What is the SSpec of your chip? Im using the MSI Neo 2 myself. Do you have the latest bios (March 2004)? I downloaded and installed the latest bios which works fine on my 2.4c SL6z3 M0. But I had a 2.8e prescott (I just sold) that MSI disabled the voltage adjustment on. I had to install the November 2003 bios to get it to work. I wish I had made a copy of the December 2003 bios the board shipped with. Im used to using Award bios which always makes a backup copy. AMI bios does not automatically so be sure to make a copy first!
I have scoured the internet for days looking for the December 2003 bios that the MSI Neo 2 PLS board shipped with. MSI deleted it from the website. If you could make a copy of the bios and send it to me via floppy disk (I can reimburse your for your trouble / expenses -$5?) or maybe you could make it available for download. Its easy to make a copy of, just get the AMI bios flash program from MSI (packaged inside the zip file w/the neo bios
here). The command line is
adsfi711 oldbios.bin /s. Again, this is for the PLS version of the board. If you are using the platinum version or the G version with the built in video you will need a different version available at msicomputer.com.
Anyway, back to your question - it depends on what version 2.4c you have. If you have an SL6wr or SL6wf it probably wont overclock as good as an SL6z3 which is what I have. In addition you might consider upping the voltage to at least 2.60 and disabling the performance mode (set to normal).
Let me know. My chip runs at 3.3ghz.