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