just brew it! wrote:SoM wrote:try 1ram in a slot at a time
He already did that.
just brew it! wrote:Try resetting the BIOS
just brew it! wrote:Swapping RAM or CPU can cause BIOSes to behave oddly sometimes if you don't reset.
Another possibility is that although the new RAM has a higher max clock, it may require looser (in absolute terms) timing during one or more phases of the bus transaction. If this is the case, the timings for the old RAM might not work.