Interacting with optional read-only memory

In one embodiment, the present invention includes a method to select a desired configuration parameter for an option read-only memory (ROM) coupled to a system; obtain a code module corresponding to the desired configuration parameter; and provide the code module to the option ROM to dynamically change a portion of code stored in the option ROM. More so, in certain embodiments the present invention permits an option ROM to monitor disk requests in a pre-boot environment.