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Intel Isolates Root Cause of Raptor Lake Stability Issues to a Faulty eTVB Microcode
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Intel Isolates Root Cause of Raptor Lake Stability Issues to a Faulty eTVB Microcode

Intel has identified the root cause for stability issues being observed with certain high-end 13th- and 14th Gen Core "Raptor Lake" processor models, which were causing games and other compute-intensive applications to randomly crash. When the issues were first identified, Intel recommended a workaround that would reduce core-voltages and restrict the boost headroom of these processors, which would end up with reduced performance. The company has apparently discovered the root cause of the problem, as Igor's Lab learned from confidential documents.

The documents say that Intel isolated the problem to a faulty value in the microcode's end of the eTVB (enhanced thermal velocity boost) algorithm. "Root cause is an incorrect value in a microcode algorithm associated with the eTVB feature. Implication Increased frequency and corresponding voltage at high temperature may reduce processor reliability. Observed Found internally," the document says, mentioning "Raptor Lake-S" (13th Gen) and "Raptor Lake Refresh-S" (14th Gen) as the affected products. Read full story


https://www.techpowerup.com/323616/intel...-algorithm
  


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