/* Set Shadow(Update) Register. 
This function is used to reload frame buffer address after setting shoaw(update) register.  */
void CAP_SetShadowRegister(void)
/* Set Shadow(Update) Register. 
This function is used to reload frame buffer address after setting shoaw(update) register.  */
void CAP_SetShadowRegister(void)
{
    outp32(REG_CAP_CTL,  inp32(REG_CAP_CTL) | UPDATE);
}