Driver list for CentOS 4 (taken from kernel configuration)
These are the modules and drivers built into the latest CentOS 4 kernel. You can also find this list in /boot/config-`uname -r`. If there's a Y at the end of the line, the driver is compiled into the kernel itself, if there is an M at the the end of it, the driver is available as a module.
For CentOS 4 there is also a "plus" kernel available in the Centosplus Repository. This is the kernel config for the plus kernel, which has more drivers compiled into it: