STD
OUTB (nc_dcntl, np->rv_dcntl | STD);
OUTB (nc_dcntl, np->rv_dcntl | STD);
OUTB (nc_dcntl, np->rv_dcntl | STD);
OUTB (nc_dcntl, np->rv_dcntl | STD);
OUTONB (nc_dcntl, (STD|NOCOM)); \