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Technology Stocks : Advanced Micro Devices - Moderated (AMD) -- Ignore unavailable to you. Want to Upgrade?

To: Ali Chen who wrote (41593)	5/29/2001 8:23:18 PM
From: Bill Jackson	Respond to of 275872

Ali, He has a bad case of stroligosis, it will flare up again and again as the only crumb of relief for him in the AMD waves of success. Bill

To: Ali Chen who wrote (41593)	5/29/2001 8:30:35 PM
From: Paul Engel	Respond to of 275872

Re: "don't you have anything more new and credible?" Well....how about this new VIA Bug? chip-online.com 05.29.2001 5.34 p.m. PT Update: Restart troubles with some VIA KT133A boards and C-Athlons VIA Northbridges with product code 1EA0 or 1EA4 (left) may cause problems when restarting with C-Athlons, but chips with product code 2EA1 (right) are reported to be ok. San Francisco (ai/dbd/daf) – VIA's streak of bad luck doesn't seem to have ended yet. Following negative news reports related to the company's VT82C686B Southbridge, now some Northbridges of the popular KT133A chipset seem to be causing some problems. Although essentially developed for the Athlon-C, some of the VT8363A Northbridges are causing restart problems with exactly this CPU. The problem can occur with any mainboard sporting the KT133A chipset and using the C-Athlon, carrying a VIA Northbridges with chipset stepping A0 (product code 1EA0 or 1EA4), even without any changes to the northbridge registry or BIOS settings. Not all of the KT133A Northbridges suffer from the problem. Chips with the revision A1 (product code 2EA1 or newer) obviously work without the glitch. According to internal MSI Germany documents, a row of MSI K7T Turbo boards definitely are effected. As one of the first mainboard-manufacturers to integrate the KT133A chipset, MSI has reacted by offering purchasers of the K7T Turbo an exchange of defective boards. MSI currently continues to examine the issue and states that it's definitely NOT only MSI boards that are hit by this bug. DFI Germany claims that their boards don't use the A0 stepping, while Abit and Elitegroup still are evaluating the issue at press time. Warning: Some VT8363A Northbridges are outfitted with a heatsink, so that it's impossible to immediately see the product codes. The heatsinks are usually quite difficult to remove, and even more difficult to replace in an expert manner. Thus, our suggestion: Don't attempt to remove the heatsink, to prevent damaging your board through mechanical stress or electrostatic discharge, or by possible overheating caused by improper replacement. If your machine is suffering from symptoms appearing to be related to the Northbridge chip, it is probably better to let an expert take a look, than to take a chance of ruining your board. Update: Stephan Schwolow, a spokesman for MSI Germany, informed CHIP Online that the problem can be identified by trying a warm start from DOS mode, or a new start from Windows: If the PC doesn't restart, the Northbridge chip may be the culprit. Regarding a possible bug-fix for MSI-boards suffering from the problem, Schwolow indicated that, in 20 to 30 percent of the cases, the error could be resolved by increasing the CPU's I/O-Voltage from 3.3 Volts to 3.45 Volts through adjustments of the boards' BIOS settings. VIA's Southbridge problem: VIA chipset for AMD processors loses data A Southbridge solution: Epox and VIA: New BIOS solves 686B problem 12 Athlon mainboards: Tri-Athlon at 266 MHz FSB MSI K7T266 Pro The