I'm really writing this down for my own benefit. I mainly live in the Gentoo world, so when I hop on a CentOS box, I usually end up cursing for a bit. I needed to change a system to use a static IP vs. DHCP. To view the IP or interface settings, you need to view networking profiles:
This should look similar to this:
# Advanced Micro Devices [AMD] 79c970 [PCnet32 LANCE]
Originally, there was no IPADDR, GATEWAY or NETMASK and BOOTPROTO was set to dhcp. To change the values edit the following file:
After changes have been made, restart the interface.