a method and apparatus for providing a preferred operating voltage to a memory device as specified by a stored configuration parameter . the apparatus includes a nonvolatile memory configured to store a preferred memory device voltage configuration corresponding to a preferred operating voltage of the memory device . the preferred memory device voltage configuration is readable by a host and the circuit is responsive to a command to modify the voltage to the memory device in accordance with the preferred memory device configuration . the voltage to the memory device is modified for improved performance and compatibility of the memory device with a host system .