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Dell  PowerEdge R710 RAM Issue

Posted on 2014-02-15
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Last Modified: 2016-11-23
Hello Experts,

I have Dell  Power Edge R710 with 2 processors ( each processor 4 cores and logical cores).

It has windows 2008 R2 Datacenter Edition OS. I have installed 32 GB RAM but it shows 24 GB usable.

Please can anyone help in this issue.

Thanks
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Question by:cciedreamer
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Expert Comment

by:Dan Craciun
ID: 39862309
You did not place them symmetrically on the processors.
Check your manual.

Page 31 of this: http://www.dell.com/downloads/global/products/pedge/en/server-poweredge-r710-tech-guidebook.pdf

HTH,
Dan
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Author Comment

by:cciedreamer
ID: 39862317
Thanks.

Found difficulty in understanding the manual.
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Expert Comment

by:Dan Craciun
ID: 39862318
The gotcha is that slot no 1 is the furthest one from the processor and the adjacent slots are not in order.
You probably set them - assuming you have 4 memory sticks - as A1, A4, B9, B6.
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Author Comment

by:cciedreamer
ID: 39862322
I have 4GB RAM in each slot. please can you help how it can be allocated for 2 processors.

Thanks
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Accepted Solution

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Dan Craciun earned 500 total points
ID: 39862345
I would try this first:memoryHTH,
Dan
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Author Comment

by:cciedreamer
ID: 39862439
Some improvements !!

I arranged as per your suggestion. Now it shows 28 GB

Before it was
A1 A4 A2 A5           B1 B4 B2 B5

Any more clues ?

Thanks
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Author Comment

by:cciedreamer
ID: 39862545
Sorry I inserted the RAM to B6 instead of B4.

Now its giving 32 GB ( 31.2 GB Usable)
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Expert Comment

by:Dan Craciun
ID: 39862616
Great! Enjoy your new server :)
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Author Closing Comment

by:cciedreamer
ID: 39862646
Thanks.
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