Intel's i975 chipset may predate its 965 for reasons only Intel could explain, but it still represents the top choice for connoisseurs of PC performance. Unfortunately, due to the i975's predating the Core 2 Duo processor, there are lots of boards out there which don't support Intel's new processor. So a slew of updated boards have been arriving with Core 2 Duo support. Amongst these is Foxconn's 975X7AB, which replaces the 975X7AA. We took a look at what has changed.