A set of leaked BIOS'es surfaced on the web, which apparently enable overclocking of Intel's Pentium Anniversary Edition unlocked dual-core chips, on three of MSI's motherboards based on Intel's H97 Express chipset (which is not supposed to support CPU overclocking). Among these motherboards are the H97M-G43, H97 Guard-Pro, and H97 PC-Mate. All three boards are apparently able to overclock the 3.20 GHz chip all the way up to 4.50 GHz, with a simple crank of the BClk multiplier up to 45.0x. Such a BIOS making it to the web is interesting, because the company released statements in the past, opposing overclocking on H87 and B85 chipset-based motherboards, when the likes of ASRock, ASUS, and Gigabyte released beta BIOSes to support it, before Intel cracked down on them. Given that MSI uses common PCB designs across some 8-series and 9-series chipset motherboards (eg: MS-7850), it will be interesting to see how MSI plugs the leak. For the time being, we've hosted the BIOSes for you, to use at your own risk.