Just as I expected, I took mine apart earlier this evening just on the off chance it was filthy inside. I found no mythical dust or anything else out of the ordinary Dell build inside. I'll clarify and restate that the Dell I have is the L400 and not the C400 that I indicated in the prior reply. Regardless, when I was able to reset trip points, this notebook operated like a Powerbook on OS X. I could keep the temperature between 47-52* C web surfing and playing back mp3's directly from the internal hdd, while the fan maintained that range with a minimal hit on battery life. The best I can do is, after recalibrating the battery right now is to watch it run for a little while around 47-52* C just web surfing, no fan noise, and after starting up the music thru Rhythymbox, the temperature just keeps climbing with no relief from a fan until a 65* C trip point gets reached. The notebook does operate much better after recalibrating the battery, but that takes several hours and how long that lasts is anyone's best guess. But the calibration is a long and drawn out "manual, performed in the bios" process. It even appears to resolve the temperature issue momentarily. I posted about this a while back on Ubuntu's forums, even did a "how to", until the kernel improvements (?) thwarted trip point resets. Since playing back the music and typing the rest of this since mentioning it above, the Dell is running at 56-57* C. Still more acceptable than the 60+ * C it ran at just last night. This and light Open Office tasks/work are all this Dell is going to do. By today's notebook standards is an internet appliance anyway. But in a pinch, I shouldn't have to be terrified of heat buildup and operating temperatures for doing somthing more cpu and/or hdd intensive. Another point of clarification, the thermal specification is indicated as 80* C for this P3 733. I indicated it as 69* C for the max core temperature. That said, this P3 might have more overhead on heat tolerances, other cpu's don't have that luxury. Then again, when does the hdd or other components seize for a lockup or protective shutdown. And how many of those can that hardware handle, before they die a premature death. http://www.intel.com/support/processors/pentiumiii/sb/cs-... and now I'm hitting 64* C. Better post this before the impending crash or lock up. So this is entire post took about an hour to compose and relay. Sorry for taking my time but just wanted to test the recalibration and relay the test at the same time. Hooray, the fan just came on and that means 65* C was achieved. Temperature after a couple minutes of fan activity is back down to 61-63* C, no where near getting me back under 50* C, which by the way was a long lost memory of an operating temperature. The bottom of this notebook is just hot, glad it's on a desktop and not my lap. Wow, 142-149* F operating temperature for an internet appliance playing back music. Can I cook food on that ?
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