This is the physical interface for Intel Core i7 (39xx, 49xx series), Xeon E5-1600, and E5-2600 v1/v2 processors. Key features include:

Once error 139 is resolved, here is how to maximize your system.

Modern virtualization (VMware ESXi, Hyper-V) struggles with direct hardware access (PCI passthrough). However, an LGA 2011 motherboard often supports VT-d (Intel Virtualization Technology for Directed I/O). The "64bits 139" driver is frequently the last known good version that allows an A2011 card to be passed through to a Windows 10 64-bit VM while maintaining real-time data acquisition.