BM_IBE_ENABLED
reg = (reg & ~BM_OBE_ENABLED) | BM_IBE_ENABLED;
reg = (reg & ~BM_IBE_ENABLED) | BM_OBE_ENABLED;
reg = (reg & ~BM_OBE_ENABLED) | BM_IBE_ENABLED;
reg = (reg & ~BM_IBE_ENABLED) | BM_OBE_ENABLED;