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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

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tom94
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Old 04-21-2011, 10:17 AM
Hi just trying to upgrade my memory and having difficulty, can anyone advise? Machine is a 2.8 quad core mac pro, it came with 4gb of RAM on 4 sticks of 1gb each, I bought 4 gb on two sticks and am having difficulty getting them all to work. Whichever way I configure them the bottom riser seems to have a red light and not be recognized. Right now I have 6GB all off the top riser. Hmmmm?

Any advise appreciated! Tom
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Raz0rEdge
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Old 04-21-2011, 10:29 AM
How old and what version is your Mac Pro? Did you buy RAM that is supported by your Mac?

Regards
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tom94
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Old 04-21-2011, 10:38 AM
it was bought in jan 2009, and is a mac pro3, 1. Quad core intel xeon. 2.8ghz. strangely just as I was typing this the computer lost power completely which it has never done before. Is the first riser over heating now its the only one?

Tom
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