On Apr 7, 2007, at 8:29 AM, Harry Freeman wrote: > Wermer, try pulling your SDRAM chips one at a time and see if that > makes any difference. > > On Apr 7, 2007, at 6:35 AM, Win werner wrote: > >> I have a 450 MHz G4 AGP Graphics, 1GB SD Ram running Tiger 10.4.9 >> >> Summary: I am trying to install an 1800 MHz sonnet - it's unstable, >> the machine is stable with the original CPU. There's no reason to believe that the memory is at fault. The machine is stable with the original CPU and an AGP's bus speed doesn't change if an upgrade is installed. Phil