Need help here, I've installed Win XP pro with no service packs onto a machine that had Win XP home SP2 (because they lost the recovery disks), now none of the usb 2.0 ports work. I remembered that SP2 has the drivers for usb 2.0 after I'd installed it. Can't download SP2 either. Tried updating the USB driver and am told i'm missing file usbehci.sys Looked everywhere on the net for it and ended up in survey hungry sites that that don't deliver drivers as promised. Any ideas???