Overclocking your Mac Pro Safely

LuckyStudio 13

The Tapeless One
ZDNet uses three Mac Pros as test machines. One comes from the first Intel/Mac Pro generation (Mac Pro 1.1) with 65-nanometer processors and 1333-MHz front side bus. The others come from the third generation with 45-nanometer processors and 1600-MHz front side bus, as sold by Apple since January 2008 (Mac Pro 3.1). The first computer is equipped with two 2.66 GHz X5355 processors, and runs stable at 3.10 GHz, see figure 2. The other two have two 2.80 GHz E5462 processors. These can be overclocked up to 3.24 GHz and remain stable.

ZDNet plays it safe when overclocking. ZDNet Clock does not use any voltage increase for the CPU, the front-side bus (FSB) or the memory modules. Voltage increase leads in increased electro-erosion and shortens the life of the modules in question. In order to designate an overclocking trial as stable in the ZDNet test, the computer has to perform the mprime torture test for 24 hours without any errors. And in addition to this, there must not be any reports of ECC errors from the FB-DIMM main memory modules.


http://www.zdnet.de/enterprise/mac/hardware/0,39038647,39192217-1,00.htm

The software is on page 2 of the article.
 
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