: NVIDIA MCP61 (Revision A3) with MCP61 Southbridge (Revision A2).
If you have "Unknown Devices" in your Device Manager, follow this standard procedure: Identify the Hardware: Right-click the unknown device > Properties Hardware Ids . Look for the (Vendor) and (Device) codes. Manual Update: Download the chipset package (like the Intel Chipset Device INF for other Pegatron boards or for this one) and unzip it. Point & Click: In Device Manager, right-click the device > Update driver