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At what CPU temperature will the iBook G4 fan kick in?
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Forum Regular
Join Date: Oct 2002
Location: Atlanta
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Well, my question is pretty much in the subject - at what temperature will the iBook G4 fan kick in? I've haven't found any info about this anywhere on the web. Please enlighten me.
Oh, it just hit me, this might differ from CPU to CPU. I'm running the 800 MHz variant.
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Forum Regular
Join Date: Oct 2002
Location: Atlanta
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So, according to my bed, iTunes visuals and Temperature Monitor the trigger temperature is at 67 degrees celsius. I had my bets on 70. I wonder if this Temperature Monitor thing is accurate?
On a side note, I prefer the G4 fan over the G3 one.
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Dedicated MacNNer
Join Date: Oct 2003
Location: Virginia Beach, VA
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Originally posted by leffo:
Well, my question is pretty much in the subject - at what temperature will the iBook G4 fan kick in? I've haven't found any info about this anywhere on the web. Please enlighten me.
Oh, it just hit me, this might differ from CPU to CPU. I'm running the 800 MHz variant.
I'm running a program called ThermographX. The only time I've ever heard my fan click on was when I was playing a Medal of Honor demo...when i closed the game i saw that the temp on my CPU was 164 F and my GPU was around 145 F. I'm on a 1GHz G4.
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I gotta have more cowbell.
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Mac Elite
Join Date: May 2001
Location: Earth
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Originally posted by leffo:
On a side note, I prefer the G4 fan over the G3 one.
why? is it quieter? can you elaborate on this please?
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Forum Regular
Join Date: Oct 2002
Location: Atlanta
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Originally posted by pat++:
why? is it quieter? can you elaborate on this please?
Well, I wouldn't call it quieter. It just sounds completely different. The sound is.. cleaner, I guess. It sounds more fan-ish.
I always thought the G3 iBook fan sounded really suspicious.
Uuuu---uu-uu--uu-uu-u-r-r-rr-rrr-r-rrrrrrrrrrrrrrr.
But now, fffffffsssssshhooooooooooooooooooooooooooooo.
You see the difference?
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Mac Elite
Join Date: May 2001
Location: Earth
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Originally posted by leffo:
Well, I wouldn't call it quieter. It just sounds completely different. The sound is.. cleaner, I guess. It sounds more fan-ish.
I always thought the G3 iBook fan sounded really suspicious.
Uuuu---uu-uu--uu-uu-u-r-r-rr-rrr-r-rrrrrrrrrrrrrrr.
But now, fffffffsssssshhooooooooooooooooooooooooooooo.
You see the difference?
I don't see it, but I can hear it now 
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Mac Enthusiast
Join Date: Jan 2004
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my temperature monitor says around 150 F when the super fan kicks in and gets aorund 125 - 130 before shutting off and switching off to the other quieter fan.
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Fresh-Faced Recruit
Join Date: Mar 2003
Location: Newtown, PA
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Originally posted by leffo:
Well, I wouldn't call it quieter. It just sounds completely different. The sound is.. cleaner, I guess. It sounds more fan-ish.
I always thought the G3 iBook fan sounded really suspicious.
Uuuu---uu-uu--uu-uu-u-r-r-rr-rrr-r-rrrrrrrrrrrrrrr.
But now, fffffffsssssshhooooooooooooooooooooooooooooo.
You see the difference?
Actually, the G3 fan, and the 12 inch powerbook G4 fan are the same. The iBook G4 uses a new quieter fan that doesnt require a certain current to turn on that way you dont get that blast in the beginning so it doesn't wear out as fast. -my 2 cents-
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IM me on "pmacdesigner" if you want to talk to me.
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Professional Poster
Join Date: Feb 2002
Location: Why do you care?
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On a 14" G4 iBook (933 MHz) the only time the fan has ever come on is when playing Civ III with the CD in the drive.
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