Matrox Iris GT MIL Installation And Technical Reference page 33

Determining whether your network uses DHCP 33
3. Select Internet Protocol (TCP/IP) from the This connection uses the following
items list box, and click on the Properties button. The Internet Protocol
(TCP/IP) Properties dialog box opens.
If Obtain an IP address automatically is selected, your computer uses an
automatically assigned IP address (DHCP). In this case, refer to the Configuring
your Matrox Iris GT to work with a network that uses DHCP section.
If, however, Use the following IP address is selected, your computer uses a static
IP address. Refer to the Configuring your Matrox Iris GT to work with a network
that uses static IP addresses section.