Christian Burger wrote on Tue, Jun 05 2007 at 11:29 (-0500):
> This issue has been plaguing me for a while. I have an AMD x2 4400+ that
> keeps throttling down to it's slowest speed: 1000Mhz. No matter the load or
> cpuspeed settings she will not throttle any higher. After a complete power
> down and startup the speed will be at 2200Mhz but only for a seemingly
> random amount of time. It's a Shuttle system SN95G5v3 with nforce3 250
> chipset. I also get a lot of ACPI "can't turn cooling device 'on'" messages
> in dmesg. I've googled for months now and can't find anything of relevance.
> Any suggestions?
Sounds like your CPU is getting too hot or the system thinks so
("can't turn cooling device on"). I'd check both, that is
- the temperature of your CPU (Is the fan running? Is the CPU hot?
Maybe your BIOS can tell you the CPU temperature) and
- if the cables to the fan control are connected correctly (polarity).
Andreas.
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