Systems and methods for a mobile device to use physical storage of another device for caching are disclosed. The EGR cooler includes at least one cooler section located within the housing and EGR and bypass valves for controlling the flow of exhaust gases either though the cooler or around the cooler. The fillet board is preferably pivotally attached to the platform and includes a folding stand for supporting the fillet board at an angle. Large setup times are not required since optimization techniques equalize setup times for both rising and falling data transitions.