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nForce PCI writes mystery: Solved!
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| Tue Jun 11, 2002 | 10:28A| PermaLink |
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Your testing results provided a clear pattern. Regardless of processor, OS, adapter, or hard drive differences, the MSI K7N420 Pro would not write data any faster than 20MB/s. Meanwhile, the Asus A7N266 series posted numbers down in the 3MB/s range. However, A7N results also proved that the newest beta BIOS resolved these PCI writes problems. Abit and Leadtek results stayed elusive until the last minute, but you guys came through with scores in the 61MB/s and 58MB/s range, showing that these boards are unaffected by the PCI writes problem. With those results in hand, it was begining to look more and more like a BIOS issue—that the culprit was more Darth MSI than Darth NVIDIA.
Then we received a call from Bryan Del Rizzo, the Integrated PR Manager at NVIDIA who oversees the nForce platform. He confirmed that a fix should be available in the form of a BIOS update. Once the BIOS update has been applied, the "MRM prefetch" option must be enabled. (Depending upon the whims of the motherboard manufacturers, this setting could be obfuscated from the user and set to "enable" by default.) NVIDIA referred us to the manufacturers to confirm who did and did not have a BIOS ready.
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FULL STORY @
TECH-REPORT
(http://www.tech-report.com/onearticle.x/3704)
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