27-inch iMacs Receive Some Firmware Fixes

If your 27-inch iMac sometimes forgets to wake its screen when coming out of hibernation, or if CPU usage goes nuts after using headphones for a while, well, you’re in luck. New firmware! It goes by the name 27-inch iMac EFI FW Update 1.0. So do that system update thing you do so well. [MacRumors]