Sekar, on 05/02/2007 04:19 PM [GMT+500], wrote : > Hi, > > I have 4GB memory in my machine . The machine is four Intel(R) Xeon(R) > CPU - 1.60GHz processors box. The bios correctly shows 4GB memory. > Initially the machine had Redhat Enterprise Linux 3 on it and the > machine showed all 4GB memory . Now I have reinstalled the OS to FC6 . > But now machine shows *only 3 GB memory*. > Pretty much off topic for squid-user, better to post in fedora mailing list :PTry to boot your machine with some livecd and see if its show you all available ram? Or Try some decent linux distro :) Thanks.