There's 2 reviews of the EPoX 8K5A2+ KT333 motherboard today with the first one being from Mikhailtech.

Even though the socket placement and orientation has remained the same as on the 8K3A, the power circuitry has changed very much. First of all, the board uses the same 3 Phase Power cooling, but now there are no more MOFSETs on the back of the board, all have moved to the upper side. The number of capacitors has changed and now bigger ones are used for increased power stability. And EPoX succeeded in making the power scheme on the 8K5A even better than anything before, the CPU voltage is now closer to the nominal value and more stable, thus making for better stability even if the CPU is heavily overclocked. Even the 5V line is now more stable and the voltage on this line is higher that it was on the old 8K3A.

More information at Mikhailtech

 

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AMDWorld then follows with their report of the board.

The EPOX 8K5A2+ (VIA KT333) is a one of a new family of mainboards to support the AMD Athlon silicon alongside the current Thoroughbred and EPOX have introduced this new family of mainboards in the name of 8K5xxx.What is new and it's variant from the previous 8K3xx family of boards is the use of the new VIA Southbridge (VT8235) component which is also a familiar part of the new KT400 architecture manufactured by VIA. If you think it seems strange that a manufacturer should continue with a release of a mainboard sporting a VIA KT333 Northbridge you're not alone but after analyzing the KT400 capabilities it is not so detrimental after all.

More information at AMDWorld