On Tue, Aug 31, 2004 at 10:42:14AM -0400, Ed Hill wrote: > I guess it was just a coincidence that some of the kernels worked with > mem=12G and others didn't. I've moved the machine to a new location and > now *none* of the kernels I have (neither mine nor the Fedora ones) will > boot with "mem=12G". The best I can get to work is "mem=3950M". If you don't specify mem= does it find all your RAM. ALso what chipset ?