Ya, you know i looked all over the net for some reference to it and found nothing. . . must have seen it in a FWW. It helps with the aluminum trunions flexing, and the weak knob screw down to hold table square. You basically take off the whole table, trunion assembly, build a plate to screw right onto the saw and then the assembly goes over that. As I mentioned, I used plate steel instead of plywood to only loose 1/4" vs. 3/4" and it's WAY stiffer. Also, you drill a hole into the side of the table, and then use a 1/4-20 hook bolt (like an eyebolt) and hook it into that hole and the screw ened bolts through a hole in the plate. Then you can "pull" the table down to square and lock it. Hard to explain, I'll try to take some pics and find the article.
Jeff