Such controller drivers are in the operating system itself as inbox drivers, hence they are not available on our web site.
You can try using the Intel(R) Chipset Software Installation Utility in this URL:
And try to install it with the have disk instructions on this article:
This would provide the proper device names to the operating system, however as this is a mature chipset controller, the operating system should already recognize this with no problems.
Other than this, you may need to check directly with your Original Equipment Manufacturer