I traced the via point on my V4 PS2 motherboard to a leg on the nearby IC. I would prefer soldering to a leg instead of a via any day :). The picture I used to find the via is almost identical to how that part of my PS2 looks, but not 100% exact. Did I find the right via point? I'm having a hard time counting the number of legs, too close together, but the via seems to be connected to leg#2 from one corner.