A CPU running hot will report through ACPI as well. I would imagine once it became critical that the motherboard would shut itself down, or atleast it should.

Ryan Erickson wrote:

If the fan that was failing was 3-wire, it reports whether it's spinning
to the motherboard, and if it's not spinning, maybe that causes some
sort of ACPI message to go to the kernel, causing the shutdown.

Ryan

On Fri, 2005-04-01 at 11:00 -0700, Kenneth Burgener wrote:


Stephen Smith wrote:


Flash back!


Well, I believe the problem was overheating protection kicking in. The back fan on the computer was jammed and no longer spinning (and boy was that fan hot). The fan's was connected to one of the motherboard's fan power pins. I replaced that tinny fan, and I haven't had any reboot problems.

I assume that this is just the CPU overheating protection that is listed in the BIOS, but my assumption is that it would cause an immediate hard power off. Why was I getting shutdown listings in the message log?

Weird.

Kenneth


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