NexusBV version 0.7.3 in a 7.10 MB zip archive, judging by the name a program for viewing boardview files rather than a document for a specific board.

NexusBV viewer, version 0.8, packaged as a ZIP for 64-bit Windows 7, the x64 counterpart of the 32-bit build.

ZIP package named NexusBV, version 0.5.1, which from its name appears to be a boardview viewing program rather than a dump for any specific device.

ZIP archive of NexusBV version 0.8, a boardview viewer, in its 32-bit (x86) build for Windows 7. Despite the firmware category it is a software tool, not a BIOS dump.