PC1 is only a card, I want two different segment of the computer access PC1, …

System is WIN2003, you can not have any software?

Absolutely not! You can try this card to add 2 IP addresses, but not necessarily so
in the TCP / IP settings, the high-point in the IP address that points to add, you can use the virtual network adapter approach to the Your computer to install the virtual card, followed by a designated IP can be a