And you'd ask about hardware earlier. Here's an image from the WIndow's Device Manager. All this is hooked to an Asus P4T533C MB.
** Attachment added: "Hardware" http://librarian.launchpad.net/4921242/F%3A%5CMy%20Documents%5CDeviceManager1.jpg -- Changing Screen Saver locks up entire system https://launchpad.net/bugs/60438 -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs