1. A method comprising: determining whether to configure a hardware unit using one or more of hardware controlled hardware settings and built-in settings of a device driver of an original hardware unit replaced by the hardware unit, the built-in settings configuring the original hardware unit, the hardware unit having locally installed hardware controlled hardware settings in a memory of the hardware unit, the hardware controlled hardware settings being configured to bridge a compatibility gap between the built in settings and the hardware unit with respect to configuring the hardware unit; and configuring the hardware unit responsive to the determination.