Ever since last night, I discovered that my Mac Pro (1,1) has suddenly decided to stop recognizing certain USB devices that I commonly use. Some things work (i.e. mouse, iPhone when plugged in), but others don't (Apple USB keyboard, USB thumb drives). I tried plugging my keyboard into my Macbook Pro, and it works fine. Same goes for my USB drives. I also tried changing the USB ports to use, still nothing. Tried restarting, STILL nothing! My mouse works no matter what port I use, but the computer is a brick if I can't log in and start typing. This is ridiculous. Has anyone else had this problem? I'd give you the model number of my keyboard if that helps, but I'm at work now, so that will have to wait. Any ideas? Thanks. Shogun.