Then install the package manually using: rpm -Uhv If you don't have a network connection, simply download the firmware RPM packages named ipw2200-firmware from RPMforge at on another system and transfer the file using a USB stick.
You can find more information of your wireless hardware from the Linux Wireless website to get more information about the driver and the hardware support.
We have listed some hardware that is supported, but would welcome more information to improve this wiki.
For the Atheros AR5212 device, the driver shipped with the Cent OS-5.3 kernel (2.6.18-128.el5) causes an oops and does not work correctly.
With Cent OS-5.4 (kernel-2.6.18-164.el5 and upwards), these wireless devices operate correctly.
To get the latest versions you need to separately install the ipw2200 module and ieee80211 stack.