BMCR_S10
bmcr = BMCR_S10;
BMCR_S10);
BMCR_S10 | BMCR_FDX);
speed = BMCR_S10;
speed = BMCR_S10;
speed = BMCR_S10;
{ BMCR_S10, ANAR_CSMA|ANAR_10, 0 },
{ BMCR_S10|BMCR_FDX, ANAR_CSMA|ANAR_10_FD, 0 },
speed = BMCR_S10;