Sandman over at overclock...dot...net finds the same issue, and has not seen any sign of an answer in the [Official] ASUS Crosshair V Formula (990FX) club thread. He is quite accomplished at overclocking issues and is actively looking into this...
The Crosshair IV Formula mother board uses the Marvell 88E8059 Gigabit LAN controller per the Asus website. So click here: http://www.marvell.com/support/downloads/search.do to go to the Marvell download site and choose the driver that covers your OS...
Pool of Radiance and the rest of the Strategic Simulations Incorporated series from the old school, followed by Baldur's Gate and the Neverwinter Nights series, with a little Airfix Dogfighter thrown in.
I don't water cool, but I have seen many threads about heat, where changing to water removes the air from a fan that cools the VRMs. Adding some sort of fan over the north bridge/VRM heatsink helps keep the VRMs cool which helps keep the socket cool ...
