_3COM_CR_XSEL
t503_output = (nic->flags) ? 0 : _3COM_CR_XSEL;
outb(_3COM_CR_RST | _3COM_CR_XSEL, eth_asic_base + _3COM_CR );
outb(_3COM_CR_XSEL, eth_asic_base + _3COM_CR );
outb(_3COM_CR_EALO | _3COM_CR_XSEL, eth_asic_base + _3COM_CR);
outb(_3COM_CR_XSEL, eth_asic_base + _3COM_CR);