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All replies
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Helpful answers
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Jun 19, 2012 4:53 PM in response to GusOutdoorsby John Galt,★HelpfulIt's a problem with your Mac Pro's memory. Try removing one module at a time, and run AHT again.
Occasionally each module will pass AHT on its own, but will fail in conjuction with another.
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Jun 19, 2012 4:59 PM in response to John Galtby GusOutdoors,By 'module' what are you referring to? Thanks for the quick response!
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Jun 19, 2012 5:05 PM in response to GusOutdoorsby X423424X,★HelpfulA dimm "stick". Remove one dimm at a time.
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Jun 19, 2012 5:10 PM in response to GusOutdoorsby John Galt,Sure, your Mac Pro's memory is installed on two cards that you can remove, and subsequently inspect or remove the RAM. Read here to determine where it is and what to do:
http://support.apple.com/kb/HT4433
If you're lucky, merely removing and reinstalling the memory modules may clear the fault. If not, it is possible one or more of the DIMMs (Dual In-line Memory Modules) has failed or is no longer meeting the Mac Pro's requirements.
Memory is not difficult to install and is not terribly expensive. Most vendors have a lifetime guarantee.
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Jun 19, 2012 6:06 PM in response to GusOutdoorsby Grant Bennet-Alder,On the MacPro, you may also be able to inspect:
About this Mac > ( More Info ) > Memory
to get more information. Your Mac tallies error corrections as they occur, and also tracks sizes of modules. Anthing not at its correct size or status other than "OK" has seen failures.
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Jun 20, 2012 4:53 AM in response to John Galtby The hatter,FBDIMM are not cheap
Defective
Have to pull pair
What model year
A good program to monitor temps accurately
Boost fans by 400 rpm to keep them below 70*C
Amazon has 2 x 2GB $54 667MHz if 2006-7