An improved HII database driver is provided in an EFI environment. The stainless steel comprises 0. The filter is capable of being heated and includes a mechanical element that effectively regulates the heating of the filter. The extraction of heat by the flow of coolant 18, 18 and evaporation maintains or lowers the temperature of the bus bar and enables a given size of bus bar to carry more current without a significant rise in temperature. The threshold value is set to ensure that each block or sector is refreshed before data integrity is adversely affected by disturbances caused by repeated programming and erase operations.