Tuesday, April 17, 2007

Microsoft includes SLI/Crossfire tests for WHQL Certification Process

Microsoft announced yesterday that they have extended the requirements for WHQL driver testing. "Linked Display Adapters" are now required to be used in the testing process, meaning that SLI and CrossFire setups (plus other multiple adapter configurations) have to be included. So what does this all mean? Probably not an awful lot actually but that's a whole stack more testing before a driver can be labelled with the WHQL tag but we might get more stable multiple adapters systems out of it. Note that this doesn't necessarily mean better multiple GPU support in games, just greater stability in general usage.
However, the most important thing is that vendors will no longer be able to ship WHQL drivers for Windows XP and Windows Vista that don't correctly support dual graphics cards in that operating system - anyone trying to get SLI or CrossFire to work properly on Vista will know exactly what we're talking about here. Somewhat unusual for MS to take this kind of a stance though; perhaps it's a sign of them trying to get Vista as stable and sorted as quickly as they can, prior to them stopping sales of XP next year.
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