HelenOS sources

RCR_AB            638 uspace/drv/nic/ne2k/dp8390.c 		ne2k->receive_configuration |= RCR_AB;
RCR_AB            640 uspace/drv/nic/ne2k/dp8390.c 		ne2k->receive_configuration &= ~RCR_AB;
RCR_AB            221 uspace/drv/nic/ne2k/ne2k.c 	ne2k->receive_configuration = RCR_AB | RCR_AM;
RCR_AB            275 uspace/drv/nic/ne2k/ne2k.c 	ne2k->receive_configuration = RCR_AB | RCR_AM;