On Wednesday 16 April 2008, Bill Davidsen wrote: > I just popped another 2GB in my development machine, 2GB to 4GB RAM, and > only 3GB shows. Yes I looked at the 820 output, yes I tried PAE kernels, > yes I checked the BIOS to see the the hole options were tried, other > thoughts. > > FC6 running 2.6.22.14-72.fc6PAE, also 2.6.24.4 kernel.org build. > > dmesg hopefully attached if it doesn't get stripped again. I have a Dell D820 and while its a 64 bit system, it has a 32 bit chip in there somewhere so i can only use 3.25gb of thr 4gb that is installed could very well be a hardware limitation somewhere. Dennis