Your hdd will run at the speed the manufacturer set. Any try to make it run faster may damage all your data and produce random errors. Use the ide cable and make it run safe. About bios and firmware updates, I recommend you to check the latest always due that the newer updates, of course, are made to solve errors in the devices. If the motherboard doesnt have ide input, then change your hard drive. As far as I know, using a adapter for the ENERGY from ide to sata is safe, but I doubt an adapter from ide to sata data cable would work properly.