VIA Hardware has put up a 686B/Data Corruption Bug FAQ

This F.A.Q is to answer some of the most frequently asked questions regarding VIA chipset Motherboards that have KT133, KT133A and KT133E VIA chipsets, and the issues around corruption of data when copying from one IDE Channel to the other, or attempting to write CDs.

To put it basically, this problem prevented users from writing to CD Writers, and Zip drives, and also prevented users from copying a file any bigger then 100megs from one hard-drive to another when on different IDE Channels/ports. The fault would usually cause either a blue screen of death (BSoD) or cause the computer to reset by itself, both possibly damaging data, and/or ruining the CD you were writing to.

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