MEM_CNTL           28 include/video/aty128.h #define MEM_CNTL				0x0140
MEM_CNTL          158 include/video/mach64.h #define MEM_CNTL		0x00B0	/* Dword offset 0_2C */
MEM_CNTL           72 include/video/radeon.h #define MEM_CNTL                               0x0140