FDX_CAPABLE_HALF_SELECTED
sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);
duplex = FDX_CAPABLE_HALF_SELECTED;
*duplex = FDX_CAPABLE_HALF_SELECTED;
sis900_set_mode(sis_priv, HW_SPEED_10_MBPS, FDX_CAPABLE_HALF_SELECTED);