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What is the temperature with the 15" 1.5 and 1.67 PB?
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Fresh-Faced Recruit
Join Date: Feb 2005
Status:
Offline
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Hi,
I just checked the temperature of my Pismo with the temperature monitoring program and it shows it to be around 50F at the most.
I am curious how this compare to the latest generation of PB that everybody say are so hot. Honestly when my PB is charging the battery and I am using it at the same time it gets really hot to the extent that it burns to the touch underneath. (it is the 400MHz version).
Love the PB otherwise but it is getting a bit old to watch films, run games and anything that is processor intensive. But for surfing around the house it is great.
Wonder if I should wait for the next generation Powerbook, hopefully at WWDC, based on the requirements to view HD films. According to Apple it will take at least 1.8 G5, too bad.
Thanks
/Peter
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Mac Elite
Join Date: May 2000
Location: northeast PA
Status:
Offline
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My new 1.67Ghz 15" PowerBook seems luke warm to the touch after hours of use. It uses a new temperature senser that doesn't update according to Menu Meters. So I have no way to track the internal temps. However, I've never heard the fan run above low speed. It seems as if it's barely turning. And it's much quieter than any other notebook I've used (that includes PowerBooks and Pentium M notebooks). Maybe I just got lucky this time around? My previous 1.25Ghz 15" PowerBook ran hotter to the touch IMHO. Temps were over 140DegF when used for longer periods of time. If these new 1.67Ghz chips really are cooler running than previous G4s, that could explain how GigaDesigns is able to clock them up to 2GHz for their G4 Tower upgrades.
FWIW, I've always had the processor performance set to "Highest" on both Powerbooks when using AC power - which is most of the time. I don't use my PowerBooks on battery often. But when I do they tend to run cooler since I have the processor performance set to "custom" or "longest" to extend battery life. The new 1.67GHz G4s seem to run so cool that I think Apple could've gotten a bit more out of them (tho not 2Ghz). It probably wouldn't be noticeable anyway. The largest performance improvement over my 1.25Ghz PowerBook isn't from the cpu. The switch to faster running 5400rpm hard drives across the entire line is VERY noticeable in even the most mundane tasks. My previous 1.25Ghz PB had a 4200rpm drive which always seemed sluggish to me. If Apple offered it I would've had it BTO'd both PowerBooks with the 7200rpm Hitachi drive instead. Maybe that's for the better tho. The new 100gig 7200rpm Seagate notebook drives are a much better choice 
(Last edited by joe; May 1, 2005 at 03:50 PM.
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Registered User
Join Date: Apr 2003
Location: The Internets
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Offline
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simon will back you up on that joe.
His discussion on fans, heat, noise of the new 1.67s are what finally made me take the leap back to PB land. I had a PB 667 a long time ago but the fans would drive me nuts....plus i did not have a neeed for mobile anymore so i bought a g5 desktop.
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Posting Junkie
Join Date: Nov 2000
Location: in front of my Mac
Status:
Offline
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I'm already here to back up.
There is hardly any way to reasonably measure temperatures on the new 1.67GHz PowerBook because OS X will only read back the sensor values at boot time.
But, as most will agree, the new PowerBooks run very quietly. Even when the fan kicks in, it can hardly be heard. It's a great PowerBook. I'd recommend it to anybody who needs a powerful portable Mac, but wants it to be quiet. 
There's a long thread on the topic here:
http://forums.macnn.com/69/mac-notebooks/244044/new-powerbooks-tell-us-about-temperature/
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