SBMPU             330 dev/isa/sb.c   	return mpu_open(SBMPU(addr), flags, iintr, ointr, arg);
SBMPU             338 dev/isa/sb.c   	return mpu_output(SBMPU(addr), d);
SBMPU             345 dev/isa/sb.c   	mpu_close(SBMPU(addr));