1. A computer system comprising: a central processing unit (CPU); a keyboard controller coupled to said CPU, said controller capable of detecting a multimedia parameter control requests and in response issuing a transparent system interrupt to said CPU; and an interrupt processing logic coupled to said CPU, said logic operable independent of an operating system, and, in response to said interrupt, said logic modifying multimedia parameters corresponding to said multimedia parameter control request, and said CPU, in response to said interrupt, stores data representing a present status of execution and transfers execution control to said interrupt processing logic.