Symbol: CMS_IREG_NOISE_CTL
sys/dev/isa/cms.c
309
CMS_WRITE(sc, 0, CMS_IREG_NOISE_CTL, 0x00);
sys/dev/isa/cms.c
310
CMS_WRITE(sc, 1, CMS_IREG_NOISE_CTL, 0x00);