MacBook Pro heat concerns

[anderkh]

Is anyone else worried about fan control and the heat of their MBP? Even running Windows for a short time, the bottom of the case gets a lot hotter than it does running OS X. I'm concerned something is going to fry...

Thanks,
Ken

[RichP]

Haha, I am double posting all over different forums today..we had this discussion on macrumors...

Anyway, I ran a CPU burn-in test on my macbook pro running windows, and the fans do respond to the increased load in XP. These machines run really hot, and the additional heat is probably because Speedstep and other power management isnt working, but fan control does seem to work.
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[anderkh]

The fans may go on, but the laptop is MUCH hotter than when I use it under OS X. Not just a little - a lot. I'm going to only run for short periods until someone figures this out.

Ken

[Turtle]

Haha, I am double posting all over different forums today..we had this discussion on macrumors...

Anyway, I ran a CPU burn-in test on my macbook pro running windows, and the fans do respond to the increased load in XP. These machines run really hot, and the additional heat is probably because Speedstep and other power management isnt working, but fan control does seem to work.

Actually, SpeedStep does work. The CPU will throttle itself down to 1.0GHz when idle. The fans will also come on if they need to. If the system ever gets too hot, the logic on the chipset will kill power to the CPU, so I wouldn't worry about it too much.

Personally, I have noticed the same temperatures when doing heavy loads under OSX and XP.

[ocelot27]

Actually, SpeedStep does work. The CPU will throttle itself down to 1.0GHz when idle. The fans will also come on if they need to. If the system ever gets too hot, the logic on the chipset will kill power to the CPU, so I wouldn't worry about it too much.

Personally, I have noticed the same temperatures when doing heavy loads under OSX and XP.

I agree - if you push the mac under OSX it gets just as hot - john.

[Backtothemac]

I think that OS X uses less load on the CPU under idle or "normal" use conditions. So, that being said, XP is running as OS X under heavy loads. I installed the chipset drivers, and I can hear the fans running now.

[inkhead]

Actually it's because Apple's software is controlling the fans... Right now Windows XP doesn't know how to control the fans in the laptop, so the only time the fans kick on, is when the hardware in the CPU says "it's to hot". If windows worked properly on Apple's hardware it would run much cooler like OS X, but since the sotware controller doesn't recognize the mac hardware, it's completely hardware controlled fans when running xp.

[michael fortson]

If windows worked properly on Apple's hardware it would run much cooler like OS X
XP has been measured (http://wiki.onmac.net/index.php/Talk:FAQ) running no hotter than OSX on a 1.83 MacBook Pro.

[anderkh]

XP has been measured (http://wiki.onmac.net/index.php/Talk:FAQ) running no hotter than OSX on a 1.83 MacBook Pro.

Yes, but as described, it was measured in an area that was found to be within limits of the thermometer. To me, not really a valid test - you need to measure the hottest area, not the one that conveniently fits your testing apparatus.

[LeMarsu]

Has any one looked at
Acer ePowerManager Management 1.8.6.053 :
ftp://ftp.support.acer-euro.com/notebook/travelmate_8200/driver/epm.zip

[scottnic01]

yea...gives an error at the end of install. when u try to run it, it says "EPM-DM Application not running!"

[mctj]

I recently sustained a burn while using my MacBook Pro for a limited period of time on my lap - over a pair of jeans. I was given the run-around lecture about the "notebook" not being a "laptop." I really don't care to hear the same lecture from anyone in this forum - I made sure when I used it I was not blocking the ventilation, and I have already had the computer tested by Apple for any defects, which there were none of in regards to the issue of heat. I finally worked my way up the Apple hierarchy and the most they were willing to do was give me a free iPod Shuffle or a $60 gift certificate on a purchase of >$200 - neither of which address the issue of heat at all. This is most likely due to the ridiculous temperatures that they include "within product specifications." I have read online and in other forums that up to 100 degrees Celsius is within those said specifications, and I think something needs to be done to rectify that, for future and past customers alike. I have exhausted all other options and see a civil suit as the best, if not only, means of bringing about a solution. I would be interested to hear from lawyers, or others who have had problems with excessive heat, as I know many have. I should also note that I supplied Apple with pictures of the burn taken a week after I sustained it - I will not post these here, but I will provide them upon request from someone who can help me resolve this issue.