Intel will not provide future software updates to support new operating systems or improve compatibility with third-party devices and software products.
Intel® PRO/100 Smart Adapter
Windows NT* 4.0 CompatibilityTechnical Documents
Will my Intel® Ethernet Adapter Work with VMware*?Technical Documents
Is My Intel® Ethernet Adapter Supported in Microsoft Windows 8*?Technical Documents
Is My Intel® Ethernet Adapter Supported in Microsoft Windows 8.1*?Technical Documents