The legacy driver forces the CPU to handle all packet processing and checksum calculations, as hardware offloads are disabled under NDIS 6.20’s capability negotiation.
Point the wizard to the folder where you extracted the driver files and click . Step 3: Verify the Connection rtl8139d driver for windows 7
The RTL8139D driver on Windows 7 provides various features and configuration options, including: The legacy driver forces the CPU to handle