YDS_DAC_REC_VOLUME 1536 dev/pci/yds.c  	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0x3fff3fff);
YDS_DAC_REC_VOLUME 1579 dev/pci/yds.c  	YWRITE4(sc, YDS_DAC_REC_VOLUME, 0);