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To: Scumbria who wrote (133771)	4/30/2001 7:02:48 PM
From: andreas_wonisch	Read Replies (1) \| Respond to of 186894

Scumbria, all motherboards with the VIA686B southbridge are affected by the data corruption bug. It only affects the secondary IDE channel and only occurs when large data is transferred under heavy DMA stress (e.g. by a soundcard). You can find more information about it here: via-cyrix.de There are already several bugfixes available and VIA plans to release a C southbridge soon. Andreas

To: Scumbria who wrote (133771)	5/1/2001 1:25:30 AM
From: Paul Engel	Respond to of 186894

The problem is with VIA's Southbridge - and has NOTHING to do with DDR or any other kind of memory. theregister.co.uk Data-corruption bug hits VIA chipsets By: Tony Smith Posted: 12/04/2001 at 11:52 GMT VIA has confirmed a data-damaging glitch in its 686B Southbridge chip - a major part of the Taiwanese company's KT-133A chipset - and is working with mobo makers to prepare BIOS updates to fix the problem. The southbridge part is used in the vast majority of AMD Athlon-oriented mobos, primarily the KT-133, but it can be used with northbridge parts from the Apollo Pro 133, KX-133A and AMD-76x chipsets too. VIA said it is investigating the problem to see how many chipsets are affected. The bug was uncovered by German hardware site Au-Ja! It's not exactly a common problem: the date corruption affects large, 100MB and up file transfers between two hard drives connected to separate IDE channels exchanging the data by DMA. Having a Creative Labs Soundblaster Live card in place seems to exacerbate the problem. VIA's BIOS fix works by adjusting a number of PCI settings, which, according to TechChannel, suggests the problem is a result of competitive PCI access. VIA told The Register that it is a BIOS issue, and it will be posting a fix on its Web site sometime next week