Pardon the ignorance here, our mac guys are no longer with the company so I'm doing my best to get stuff working over there... I've got a powermac G5 with no hard drive. It died/used elsewhere/stolen, no idea. I'm assuming the rest of the machine is in working order. We purchased a new 250 Gb Hitachi SATA hard drive. Plugged it in and booted off the OS X install disc. Get the apple wallpaper with the spinning "hourglass". Shortly after I get a message in a few languages telling me I need to restart the computer by holding down the power button. We've tried another install disc, same result. I put the hard drive in another mac and formatted it, OS Extended (journaled). Same result. There was some Kingston ram installed in the machine, I removed those 2 sticks, same result. So other options? I've been searching/googling with nothing that's helped so far. Thanks!