NIC16
outb( NIC16 | (asic_reg5&0x1f), ioaddr+WD_CMDREG5);
ei_status.reg5 = ((dev->mem_start>>19) & 0x1f) | NIC16;
outb(NIC16 | ((dev->mem_start>>19) & 0x1f), wd_cmd_port+WD_CMDREG5);