Hi, i may have answered my own question. There seems to be a bios setting. will follow-up. Bill William M. Fennell wrote: >I suppose it would :) > >trying to install from cd-rom that has worked fine onto machines that >have worked fine. >I have two sun fire x2100s with 4gb of ram. This works fine with >solaris not centos. >I need to install centos on those hosts and I get a kernel panic that >states: >kernal panic - notsyncing: pci-DMA : high address but ni IOMMU. > >Thanks, > >Bill > >-------------------- >William M. Fennell >UNIX System Administrator >Channing Laboratory > > > >Jason Bradley Nance wrote: > > > >>>I am having issues installing Centos 4.3 X86-64 >>>on a Sun Fire X2100(AMD chip). It works with 2GB of ram just not 4 GB. >>>It works with any combo of the 4 1GB chips I have. It only works >>>with 2GB >>>not 4GB any ideas? >>> >>> >>It might help if you provide some information as to what's happening >>and what you are doing. >> >>j >> >> >>-- >>Jason Bradley Nance What would you cry for? >>aitrus@xxxxxxxxxxxx Swallow your pride for? >> Tres Geek What would you go wild for? >>http://tresgeek.net/ >> -Poe, "Wild" >> >> > >_______________________________________________ >CentOS mailing list >CentOS@xxxxxxxxxx >http://lists.centos.org/mailman/listinfo/centos > > _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos