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TempStat lets you view the current values of the many Temperature Sensors found in recent Macs. It supports all G5 systems, G4 Powerbooks (greater than 867), G4 iBooks and MDD G4's.

In addition to Temperature readings, TempStat can show you the current speeds of the fans in your system.

Note: Support for Intel iMacs and various G3's and early G4's will be added in the next release.


Mac OS X 10.4 or later

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nfinch Member IconComment+0

I'd suggest going with sister widget istatpro instead of tempstat because the CPU Pump RPM on tempstat doesn't seem to be correct (or jive with istatpro's reading). tempstat is reporting one pump at 0 and the other at 3600+rpm. istatpro is reporting them both at 1250. Since processor temps both seem pretty close for both cores, both processors, it looks like there is a glitch with the tempstat reporting. I notified the authors and sent them a pic but haven't heard anthing about it.

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Version 2.0
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Current Version (2.x)


Downloads 6,164
Version Downloads 5,222
License Free
Date 24 Jan 2006
Platform OS X / PPC 32
Price Free
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