D8390_COMMAND_PS1
outb(D8390_COMMAND_RD2 + D8390_COMMAND_PS1, eth_nic_base + D8390_P0_COMMAND);
outb(D8390_COMMAND_PS1 |
outb(D8390_COMMAND_PS1 |
outb(D8390_COMMAND_PS1, eth_nic_base+D8390_P0_COMMAND);