This specific driver version was released on July 3, 2018 .

The is a legacy motherboard model often found in pre-built systems (such as those from HP or Dell) or sold as a budget replacement part. Searching for "Driver 91" typically refers to specific versioning in driver update packages or a particular chipset driver revision.

Given this, "driver 91" could be a shortened version of a package name or a specific version that is no longer widely distributed.

If you cannot find the official download site, let your operating system do the heavy lifting: Go to .

Provides a list of Pegatron drivers for Windows 7/8/10.

Press Windows Key + R , type msinfo32 , and press Enter. Look at the System Model or BaseBoard Product .

Right-click the broken component showing a yellow exclamation mark (e.g., "Ethernet Controller" or "Unknown Device") and choose . Navigate to the Details tab. Select Hardware Ids from the drop-down menu.

You might be asking, "I just installed Windows 10 or 11, shouldn't it find everything?"

Do not use the "N14939" number. Instead, use one of these methods to find the actual model (such as IPMSB-GS , IPM41 , or Jupiter ):

Download the latest PCIe Network Controller drivers directly from Realtek or Qualcomm/Atheros, depending on the specific chip soldered onto your board. Using Windows Update as a Safe Alternative

Download the latest Intel Chipset Device Software (INF Update Utility) from Intel’s official website. Version 10.1.1.xx or newer will detect and install the correct driver for the N14939 automatically.