DAC_PDWN          305 include/video/aty128.h #define DAC_PDWN				0x00008000
DAC_PDWN          721 include/video/mach64.h #define DAC_PDWN                0x00008000
DAC_PDWN          695 include/video/radeon.h #define DAC_PDWN                                   (1 << 15)