Any way to disable specific CPU idle (Cx) states?
Fresh3 days ago
Mar 15, 202632193 viewsConfidence Score0%
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Problem
I just got a new Toshiba Tecra S11 notebook, which has a Core i5 520M CPU, and it appears to suffer from a well-known problem: a high pitched noise when the CPU is idle. Googling around revealed that this is caused by a specific power-saving mode in the CPU. In most cases, C4 mode is blamed for the…
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Fix for: Any way to disable specific CPU idle (Cx) states?
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I've checked the Toshiba (Canada) site and there no mention of that problem, either in their technical service bulletins, or from users in the forums. I then called Toshiba personally (we're a Toshiba reseller/repair depot), and got them to dig arou…
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