On Apr 6, 2007, at 8:28 PM, B G wrote: > 10.4 will not install on some of the older machines, yours is one. > You are stuck at 10.3.9 unless you can find someway around the > installer. This is not correct. Quoting from Apple: "Requirements Macintosh computer with PowerPC G5, G4, or G3 Processor; built in Firewire ..." Tiger runs just fine on my 400 MHz AGP. Phil