DRAM_EXT_CNTL     747 drivers/video/fbdev/i740fb.c 	i740outreg(par, XRX, DRAM_EXT_CNTL, DRAM_REFRESH_DISABLE);
DRAM_EXT_CNTL     829 drivers/video/fbdev/i740fb.c 	i740outreg(par, XRX, DRAM_EXT_CNTL, DRAM_REFRESH_60HZ);