"The Soyo K7VTA-B is an updated version of the K7VTA which was released back in November 2000. The major differences are the newer 82C686B south bridge (up from the 82C686A) and better overclocking support (namely in the way of
an added clock multiplier setting). Since both boards make use of the aging VIA KT133 chipset, Soyo has also released the K7VTA Pro which uses the updated KT133A. Here is a terse comparison table between the three."
FULL STORY @ NEOSEEKER (http://www.neoseeker.com/Articles/Hardware/Reviews/soyok7vtab/)