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new style RAM upgrade problem

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Greg Nosatynew style RAM upgrade problem
by on Feb 20, 2008 at 4:44:02 pm

I have a strange problem with my 2008 3.2GHz 8-core Mac pro w/ 2GB ram running Leopard. I purchased the new style 4 x 1GB ram upgrade from Kingston. When I install it into dimm slots 2 and 3 on each riser the system profiler only sees 2GB on riser B and nothing on riser A.

If I pull out the ram from dimm slot 3 on each board the profiler sees all that is installed, 4GB. Apple says that the Mac Pro can handle up to 32GB but mine seems to have a limit of 4GB. Am I missing something? Should I have sacrificed a chicken before installing?

I've emailed tech support at Kingston to see if they have any suggestions.


cheers,
Greg Nosaty

Cinemontage Productions Inc


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Zane BarkerRe: new style RAM upgrade problem
by on Feb 21, 2008 at 5:57:31 am

http://manuals.info.apple.com/en/Mac_Pro_Early_2008.pdf

It sounds like you are not following the ram install instructions.

Don't let technology get in the way of your creativity!


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Mitch IvesRe: new style RAM upgrade problem
by on Mar 10, 2008 at 2:53:35 am

Put the two 4gb modules in slots 1&2 on the upper card, and put the two original 1gb modules in slots 1&2 on the lower card...

Mitch Ives
Insight Productions Corp.
mitch@insightproductions.com

Apple Certified Trainer: Final Cut Pro


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