This link has been bookmarked by 2 people . It was first bookmarked on 07 Jan 2007, by Reiner Dieden.
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31 Aug 09
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A problem attributed to erroneous trackpad temperatures is causing some PowerBook G4s to forcibly enter sleep mode. A user in the MacFixIt Forums reports that his PowerBook’s trackpad is reaching temperatures between 140 and 250 degrees Celsius. Obviously this is not possible, but the operating system still thinks the trackpad is about to start World War Three and immediately sends the PowerBook into the sleep state.
Units experiencing this problem may or may not see this message in their system logs:
Nov 13 12:36:04 localhost kernel: Power Management received emergency overtemp signal. Going to sleep.A possible solution to this problem can be found by removing kernel extensions.
Move (do not delete) the following extensions to a different location (/System/Libraries/Extensions) :
* IOI2CControllerPMU.kext
* IOI2CLM7x.kext
* AppleLM7x.kext
* Extensions.kextcache
* Extensions.mkext
Source: macfixit.com
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07 Jan 07
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A problem attributed to erroneous trackpad temperatures is causing some PowerBook G4s to forcibly enter sleep mode. A user in the MacFixIt Forums reports that his PowerBook’s trackpad is reaching temperatures between 140 and 250 degrees Celsius. Obviously this is not possible, but the operating system still thinks the trackpad is about to start World War Three and immediately sends the PowerBook into the sleep state.
Units experiencing this problem may or may not see this message in their system logs:
Nov 13 12:36:04 localhost kernel: Power Management received emergency overtemp signal. Going to sleep.A possible solution to this problem can be found by removing kernel extensions.
Move (do not delete) the following extensions to a different location (/System/Libraries/Extensions) :
* IOI2CControllerPMU.kext
* IOI2CLM7x.kext
* AppleLM7x.kext
* Extensions.kextcache
* Extensions.mkext
Source: macfixit.com
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