I am sorry we don't have the version you need for Intel(R) PRO/100 Intelligent Server Adapter on the website, as this is a discontinued product. You may refer to the announcement at Intel® PRO/100 Intelligent Server Adapter — Product Discontinuation Statement.
The available version for download is version 2.32.
Hope this clarifies.
Thanks but I needed the older version in case I need to roll back to the version currently installed. I found it here for anyone else looking: