DEFAULT_INTR
intr_status = intr_status & ~DEFAULT_INTR;
intr_status = intr_status | DEFAULT_INTR;
outw(DEFAULT_INTR & ~(IntrRxDone|IntrRxDMADone),
outw(DEFAULT_INTR & ~IntrRxDone, nic->ioaddr + IntrStatus);
intr_status = (intr_status & ~DEFAULT_INTR);
intr_status = intr_status | DEFAULT_INTR;