Throttling...

[thevan]

So lately when I'm gaming on my SXPS1640 after an hour or so the game becomes a slide show. Through the magic of Core Temp I've discovered this to be due to CPU throttling, as whenever the C2D P8600 hits 79c, it slows from 2.4GHz to 800Mhz (1/3rd of the regular speed). After minimizing the game and waiting 5-10 minutes until the CPU cools down to 53c the CPU shoots back up to 2.4 and I can game smoothly once again.

Is there anything I can do about this other than the above mentioned workaround? I always thought the limit for mobile processors was closer to 100 degrees or so. I applied MX2 to the CPU/GPU/Northbridge a few months back and it seemed to lower temperatures at least a little bit, so I wasn't expecting to have to deal with any heat issues like this. We have had some unseasonably warm 30-40 degree hot and humid pre-hurricane weather so I suppose I can just blame that for now.. but the inner geek in me wants a fix.

Ideas? Stories? Maybe if I could speed the fan up somehow?; it's not all that loud even at full throttle.

Thanks

 

[mutz]

you can disable E:EIST power management features at the BIOS, TM (PROCHOT#) should be the one that throttles down you'r CPU when it heats up, yet it should operate at temperature of 100C...

though disabling it won't throttle down the CPU when it heats and might cause it damage.
maybe the best thing to do is take the VCore down as much as possible,
for a comparison,
a 920 can reach up to 80+ degrees while at load at the default VCore of 1.218 and only ~70 and less with VCore of 1.0.

E:
you can also check out the Smart Fan feature at the BIOS (Health status tab) if available,
the fans usually go faster at 60 degrees TCase which is the temperature at the middle top point of the CPU IHS,
they could be set to operate at 50&#37; at 60> degrees and 100% at 60<.

simply set it up to 100% at all times.

 

[thevan]

you can disable E:EIST power management features at the BIOS, TM (PROCHOT#) should be the one that throttles down you'r CPU when it heats up, yet it should operate at temperature of 100C...

though disabling it won't throttle down the CPU when it heats and might cause it damage.
maybe the best thing to do is take the VCore down as much as possible,
for a comparison,
a 920 can reach up to 80+ degrees while at load at the default VCore of 1.218 and only ~70 and less with VCore of 1.0.

E:
you can also check out the Smart Fan feature at the BIOS (Health status tab) if available,
the fans usually go faster at 60 degrees TCase which is the temperature at the middle top point of the CPU IHS,
they could be set to operate at 50% at 60> degrees and 100% at 60<.

simply set it up to 100% at all times.

Thanks for the advice mutz, but do you know if any of this would be possible on a Dell Laptop? I think most of this is accessed through the bios.

 

[Cogman]

79C is quite toasty. What are you resting your laptop on? The obvious solution is to get better cooling. If this is throttling due to the CPU thermal temp, there isn't much you can do (it will throttle regardless).

 

[thevan]

79C is quite toasty. What are you resting your laptop on? The obvious solution is to get better cooling.

A wooden desk, it was about 35 degrees outside + humidity though. Will see if it's any better now that the heatwave has dispersed.