All you really want to know is at the very end of the article > “The reason we need those specific Compaq laptops is that they run a bespoke CA card which inst

All you really want to know is at the very end of the article > “The reason we need those specific Compaq laptops is that they run a bespoke CA card which installs into them,” a fellow from MSO told me. “The CA card is an interface between the laptop software (which is DOS based) and the car.” > He added: “We are currently working on a new interface which will be compatible with modern laptops as they old Compaqs are getting less and less reliable and harder to find.”