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MacPro 'takes off' after sleep-mode
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Fresh-Faced Recruit
Join Date: Feb 2008
Location: Shanghai CN
Status:
Offline
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Hi
I'm working on a MacPro 2x2.66Ghx/2Gb Ram/Leopard 10.5.3
Everytime Mothership (that's her name) wakes up from her nap (my lunch time) her fans seem to be going at full power for maybe 2 minutes. after that they slowly go back to their 'normal' speed... If she goes into sleep mode again (when i'm in a meeting or something) same thing happens when she wakes up.
I doubt this is normal... It's just really loud, can be heard throughout the office... Full power...like she's ready to fly out the window or something...
it doesnt seem to affect performance though.
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Senior User
Join Date: Aug 2006
Location: Toronto, Ontario
Status:
Offline
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apple hardware test?
if not you can always use SMC fan control, as i do.
i also have noticed when my mothership's fans speed up all i have to do is put it back to sleep and wake her up again and its usually fine.
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R.I.P Steve Jobs
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Professional Poster
Join Date: Mar 2003
Location: Down by the river
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Offline
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Your fans run at high speed for over 2 minutes? Weird. My fans on my nVidia 8800GT come on after sleep for maybe 3-5 seconds at full speed but not the fams in my MacPro. Try SMCFanControl and see if the fans still operate at high speed after awakening.
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Dedicated MacNNer
Join Date: Jan 2007
Location: Minnesota
Status:
Offline
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Originally Posted by young pioneer 
Hi
I'm working on a MacPro 2x2.66Ghx/2Gb Ram/Leopard 10.5.3
Everytime Mothership (that's her name) wakes up from her nap (my lunch time) her fans seem to be going at full power for maybe 2 minutes. after that they slowly go back to their 'normal' speed... If she goes into sleep mode again (when i'm in a meeting or something) same thing happens when she wakes up.
I doubt this is normal... It's just really loud, can be heard throughout the office... Full power...like she's ready to fly out the window or something...
it doesnt seem to affect performance though.
If you've got the original version of the Mac Pro (2.0, 2.6. 3.0Ghz) there was a firmware upgrade last summer. As I recall it addressed the fan thing.
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Mac Enthusiast
Join Date: Feb 2006
Status:
Offline
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Do you have any hardware installed on the PCI bus? It's possible that those are not reporting temperature correctly back, so the fans will run until the CPU board sensors say it's alright not to.
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