DBEACON_FRAME_OFF
MARW(smc->hw.fp.fifo.rbc_ram_start+DBEACON_FRAME_OFF+4) ;
outpw(FM_A(FM_SABC),smc->hw.fp.fifo.rbc_ram_start + DBEACON_FRAME_OFF) ;
smc->hw.fp.fifo.rbc_ram_start + DBEACON_FRAME_OFF,len) ;