Hi,
Maybe a bit more detail on what your trying to accomplish would help, I am just guessing at the moment.
Do you want the fixed IP so you can access remotely from the internet or do you want to access it internally from the LAN, and if the later, why, you can do it with shares.

>Hi Neil
>
>>OK, get the MAC address of LAN Card #2 and reserve it in the DHCP of the router, it will then hand out the same IP address to that NIC all the time along with the correct gateway & DNS addresses.
>
>Thanks for the details, but I am not sure about the router part. This is just a couple of computers connecting to each other. Where can I set the DHCP and do I have to do it on both the computers?
>
>Sorry about being slow.