Does anyone consider Hot T43 as a defect?

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fefland · #1 Post by **fefland** » Tue Sep 06, 2005 1:52 pm

Just curous if anyone conders the T43 Heat issue a defect. I am now well aware of the heat issues with the 14/1" T43. I would consider this a defect. I was just curious if anyone else saw it that way. When loading the CPU/Graphics card, the T43 gets very hot. Not just very warm but very hot. I am not alone in the experience. I would have thought that IBM/Lenovo would have seen the issue in the lab. In addition, I am surprised that there is no caution stickers on the laptop warning of heat, not that I would want warning stickers. Maybe it was not possible to cool T43 due to small form factor, and there was pressure to get it to market. Hmmm.... Anyone?

hoya · #2 Post by **hoya** » Tue Sep 06, 2005 2:18 pm

have you tried one of the new Aluminum Powerbooks? That's the hottest laptop I've ever seen (or felt), though I must say that the fan was quiet

Kenn · #3 Post by **Kenn** » Tue Sep 06, 2005 7:25 pm

I think this all depends on "how hot" it gets and what conditions you run it in. "Very hot" and "not just warm" unfortunately aren't useful descriptors. And of course, if you work in a cotton factory and solely use the laptop from inside the holding tank...

Sorry about making light of your situation, but in reality, if you can provide some more quantitative data on exactly what is going on, we might be able to tell you if it's normal or not.

krma-thkpds · #4 Post by **krma-thkpds** » Tue Sep 06, 2005 8:00 pm

Try downloading Centrino Hardware Control. Google it. Then you will be able to provide us with some good info about temp. of your system.

nirvana0001 · #5 Post by **nirvana0001** » Tue Sep 06, 2005 8:03 pm

if you feel T43 is hot, then over 90% laptops on the market just like melting. Hot or not really depends on the room temperature.

#6 Post by **AlphaKilo470** » Tue Sep 06, 2005 8:09 pm

A couple things I've noticed on the laptops I've used are that different surfaces will cause the computer to get to different temeratures depending on how well the surface absorbs heat. If I use my ThinkPad on my desk or lap, it stays cooler than if I sit the computer on my bed.

Another thing is CPU clock throttling. If you ahve that enabled, you can have your computer turn down the CPU clock when idle and run it back up once you start using your computer so the least amount of power is used and the least amount of heat is generated.

fefland · #7 Post by **fefland** » Wed Sep 07, 2005 12:23 am

Well downloaded CHC. When under load, game & other programs running, processor at 100%, the CPU registers range of 75-82 degrees Celsius. CHC does not show temp for case. I think 82 degrees (179.6 degrees F) is pretty hot. When I stop game, and CPU load drops, CPU temp drops to 62C but the entire laptop is hot at that point, and takes time to cool. When idling/surfing, not to bad. It is around 55-62C (load 2-10%, CPU Speed 799MHz).

When running my Netbeans IDE, the CPU speed goes to 1.866 MHz, load Spike to 100% then to 5%. Then CPU speed drops to 800MHz. Temp varies between 52-56 degrees.

HD temp varies between 34-37 C.

So I guess under load, or playing game is when things get really hot. Unless people think 82 degree celsius is not hot. Maybe it is as designed, but I still feel it is hot.

Jmmmmm · #8 Post by **Jmmmmm** » Wed Sep 07, 2005 1:37 am

fefland wrote:Well downloaded CHC. When under load, game & other programs running, processor at 100%, the CPU registers range of 75-82 degrees Celsius. CHC does not show temp for case. I think 82 degrees (179.6 degrees F) is pretty hot. When I stop game, and CPU load drops, CPU temp drops to 62C but the entire laptop is hot at that point, and takes time to cool. When idling/surfing, not to bad. It is around 55-62C (load 2-10%, CPU Speed 799MHz).

When running my Netbeans IDE, the CPU speed goes to 1.866 MHz, load Spike to 100% then to 5%. Then CPU speed drops to 800MHz. Temp varies between 52-56 degrees.

HD temp varies between 34-37 C.

So I guess under load, or playing game is when things get really hot. Unless people think 82 degree celsius is not hot. Maybe it is as designed, but I still feel it is hot.

Mine doesn't go above ~72C no matter what. Maybe you should try undervolting with chc, it will lower the temp a few degrees, and add battery life too.

zane · #9 Post by **zane** » Wed Sep 07, 2005 1:42 am

hi, fefland,

Your t43 is hotter than some "quiet model", but cooler than mine. At room temperature 73~75F, the CPU temperature of my t43 could easily reach 90~92C after 20 minutes Prime95 test. Did you try Prime95 test? If you installed linux, try glxgears. It will give you maximum heat.

Maybe you should call IBM and ask them whether your temperature is normal or not.

#10 Post by **BillMorrow** » Wed Sep 07, 2005 2:08 am

fefland wrote:Just curous if anyone conders the T43 Heat issue a defect. ...

what heat issue.. ??

you never had a 760ED on your lap..

now THERE was a hot thinkpad model..
the T43p is NOT hot nor, IMO, does it deserve all this hyperbole'..

so, aside from bad assembly or a bad fan, or some other warranty issue my, answer is NO, i don't think there IS an excessive heat issue..

wantathinkpad · #11 Post by **wantathinkpad** » Wed Sep 07, 2005 8:41 pm

hoya wrote:have you tried one of the new Aluminum Powerbooks? That's the hottest laptop I've ever seen (or felt), though I must say that the fan was quiet

Very True

keku · #12 Post by **keku** » Fri Sep 09, 2005 6:49 pm

it's not a problem with CPU or FAN .... it's PCI Express chipset which keeps running on 533MHz.... and there is no cooling for North and South Bridges.

IBM technical guyz knows of it and they don't think it'a a problem, it's a trade off Colder laptop with less power Vs little hotter with more power

Does anyone consider Hot T43 as a defect?

Does anyone consider Hot T43 as a defect?

Re: Does anyone consider Hot T43 as a defect?

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