PLL_TEST_CNTL     258 include/video/aty128.h #define PLL_TEST_CNTL				0x0013
PLL_TEST_CNTL     821 include/video/mach64.h #define PLL_TEST_CNTL		0x0E
PLL_TEST_CNTL     446 include/video/radeon.h #define PLL_TEST_CNTL                              0x0013