US2BCLK
if (smc->mib.m[MAC0].fddiMACTvxValue < (u_long) (- US2BCLK(52))) {
outpw(FM_A(FM_TVX), (u_short) (- US2BCLK(52))/255 & MB) ;
mib->m[MAC0].fddiMACTVXCapabilitiy = (u_long)(- US2BCLK(52)) ;
mib->m[MAC0].fddiMACTvxValue = (u_long)(- US2BCLK(27)) ;
mib->m[MAC0].fddiMACTvxValueMIB = (u_long)(- US2BCLK(27)) ;
(u_long)(- US2BCLK(27)) ;