SR2A
{VIASR, SR2A, 0xF0, 0x00},
{VIASR,SR2A,0x0F,0x0F},
{VIASR, SR2A, 0xF0, 0x00}, /* Power Management Control 5 */
{VIASR, SR2A, 0xF0, 0x00},
{VIASR,SR2A,0x0F,0x0F},