I have BIOSTAR MCP6P M2+ ver 6.1 motherboard. It comes with integrated nvidia 6150 and nforce 430 chipset. I would like to know on what I have to look when upgrading my graphic card. It has PCI-E x16 port but I know that newest graphic cards will not work but why is it because of chipset cpu or something other (except psu i know they need more power).

Someone told me that nforce chipsets are better for overclocking but I don't know why maybe you guys know more about it?

// I found out that is supports lock on PCI/AGP port. But what is it? Why it is helpful?