AR_IMR_MIB
OS_REG_WRITE(ah, AR_IMR, OS_REG_READ(ah, AR_IMR) | AR_IMR_MIB);
ahp->ah_maskReg |= AR_IMR_MIB;
ahp->ah_maskReg |= AR_IMR_MIB;
ahp->ah_maskReg |= AR_IMR_MIB;
ahp->ah_maskReg |= AR_IMR_MIB;