Quote:
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Originally Posted by Luca
Go to System Preferences -> Energy Saver -> Set processor performance to "Highest."
By default, the PowerMacs run at a lower speed until you max out the processor, at which point they switch to their higher speeds. This is quick and usually not noticeable, but it may be affecting benchmark scores.
Let us know if that works.
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I've had the processor performance set to "Highest" from day one. I just checked to make sure and it still is set to "Highest".
My memory consists of 2 x 1Gig stock RAM from Apple and 4 X 1Gig RAM I installed myself that I bought from Other World computing. Repeated hardware tests with TechTool Pro suggest that RAM and other components are OK.
Here are the Cinebench 2003 test results. The results for single and multiple CPU rending are much lower than others are reporting for the quad.
CINEBENCH 2003 v1
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Tester : Jb
Processor : Quad G5
MHz : 2.5 GHz
Number of CPUs : 4
Operating System : OS 10.4.3
Graphics Card : GeForce 6600
Resolution : <fill this out>
Color Depth : <fill this out>
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Rendering (Single CPU): 273 CB-CPU
Rendering (Multiple CPU): 835 CB-CPU
Multiprocessor Speedup: 3.06
Shading (CINEMA 4D) : 345 CB-GFX
Shading (OpenGL Software Lighting) : 918 CB-GFX
Shading (OpenGL Hardware Lighting) : 1827 CB-GFX
OpenGL Speedup: 5.30
************************************************** **
If bad RAM is a consideration I suppose I could temporarily remove the 3rd party RAM and retest?
What do you think?
John