Allied Telesis AT-2973T (NetExtreme II) - Manual (Page 109)

AT-2973SX and AT-2973T NetExtreme II Family Adapters Installation and User’s Guide
109
For a BCM5709S Netxtreme II GigE - InfId =
"b06bdrv\l2nd&pci_163a14e4"
Currently, the PCI location (PCI bus, device, and function numbers)
method is not supported for the NetXtreme II device as an identifier or the
adapter in the answer file due to a limitation with the Windows operating
system.