This page describes the filesystem of unsorted.7z/depotrvl.tar/d1/routefree/ng/depot.
unsorted.7z/depotrvl.tar/d1/routefree/ng/depot
(Up one level)
The existence of a "depot" folder could mean that BroadOn was using, or had used Perforce at one point in time, which was used by ATI in the development of the Wii's Hollywood chip.