On 2007.11.22, at 00:37, James Deamara wrote: > BTW, Riba did you get Leopard to run. I read that some people > have had problems with old firmware versions interfering with the > install...although I think you mentioned that you changed the MB, > so I don't think this is your problem. Firmware on the graphic card? I'm actually using the Mac Radeon 7500, not the nvidia... The problem on my side with the Leopard install turned out to be a bad hard drive. Disk Warriror reported a number of bad blocks and that caused Leopard to choke on it. I'll replace it with a new one and try again next week.