Date: Wed, 20 May 2020 13:05:08 -0500 From: Tim Daneliuk <tundra@tundraware.com> To: Valeri Galtsev <galtsev@kicp.uchicago.edu>, freebsd-questions@freebsd.org Subject: Re: OT: Weird Hardware Problem Message-ID: <72a05905-37d2-dce6-2f59-a5a43e393f5d@tundraware.com> In-Reply-To: <f6fa9bd8-493f-e9e7-232e-fd9a6198dcf0@kicp.uchicago.edu> References: <0a9f810d-7b4b-f4e6-4b7c-716044a9cf69@tundraware.com> <8b13e2f5-6ff4-ecc2-7036-c88cff0f5b6b@tundraware.com> <8732b894-0962-3546-4697-4c2ae0658cb8@kicp.uchicago.edu> <2a2afa7a-cbb9-4664-3b6b-4c955565e947@tundraware.com> <f6fa9bd8-493f-e9e7-232e-fd9a6198dcf0@kicp.uchicago.edu>
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On 5/20/20 1:02 PM, Valeri Galtsev wrote: > Another factor: older CPUs have higher internal voltages. As you know, internal logics, like ALU, run at much lower voltages than those supplied to CPU. Though these are not directly related to external voltages on CPU pins, still... they quite likely will be more tolerant to higher voltage ripple in case of higher internal voltages. I hadn't thought of that, but this could well explain the issue. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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