The Intel(R) 82540EM Based Network Connection is a network interface card (NIC) commonly found on older desktops or workstations. It is part of Intel's line of Ethernet controllers, supporting standard wired network connections (e.g., LAN). The device allows your computer to connect to a network via an Ethernet cable, providing high-speed communication for data transfer, internet access, and other networking activities.

The Windows driver for the Intel 82540EM network controller is required for the operating system to recognize and properly communicate with the hardware. Without this driver, the network adapter may not function correctly, and the system may fail to detect a network connection.