Dual CPU Socket Motherboard, 8 Dimms (4 for each CPU) , How & Where to install the 4 pieces of RAM that I have?

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kicoverz

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Apr 17, 2013
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I am planning to buy an Asus Z9PE-D8 WS which houses two CPUs, with 8 DIMMs, 4 for each CPU. (quad channel mem.)

for now , I can only afford getting 4x8 = 32GB , but the configuration states that the first 4 channels should go to the first CPU and the next 4 for the second.

The question
Where and How do I install them
4 on the first cpu? total of 32GB
or
2 for each cpu? 16GB per CPU
 
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Supahos

Supahos

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Nov 11, 2013
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Only way to test that one out is to try it both ways and run some memory benchmarks and see which one scores best, might want to run a whole system benchmark both ways as well to see if one way or the other affects more than just the memory. My guess is running them in quad on one CPU will be best, but trial and error is teh only way to know which will work better for your system.
 
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kicoverz

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Apr 17, 2013
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I didn't figure out how to post a Picture from my PC here, so I will try to portray the information in the table given in the manual as much as possible.

Channels A1 , B1, C1, D1 are for CPU 1
Channels E1, F1, G1, H1 are for CPU 2
-------------------------------------------------------
1 CPU 1 Configuration ( must on CPU 1)

DIMM A1 | DIMM_B1 | DIMM_C1 | DIMM_D1
1 DIMM X(A1)
2 DIMMs X(A1)X(B1)
4 DIMMs X(A1)X(B1)X(C1)X(D1)

-------------------------------------------------------
2 CPU Configuration

DIMM A1 | DIMM_B1 | DIMM_C1 | DIMM_D1
1 DIMM X(A1)
2 DIMMs X(A1)X(B1)
4 DIMMs X(A1)X(B1)X(C1)X(D1)
8 DIMMs X(A1)X(B1)X(C1)X(D1)

----

2 CPU Configuration

DIMM E1 | DIMM_F1 | DIMM_G1 | DIMM_H1
1 DIMM X (E1)
2 DIMMs X (E1) X(F1)
4 DIMMs X (E1) X (F1)X(G1)X (H1)
8 DIMMs X (E1) X (F1)X(G1)X (H1)

-----------------------------------------------------------------------------------
If this wasn't clear enough, here's the link to the manual
http://

------------
Thank you for your feedback guys.
IF I understood this table , I should be able to install 4 RAMS on
A1, B1, E1, F1
Correct ?
 
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COLGeek

COLGeek

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The motherboard manual does show using 2 per CPU in the A1, B1 and E1, F1 slots. It is fairly clear, but could be clearer in how it is depicted..
 
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kicoverz

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Apr 17, 2013
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Thank you for your input all. It is much appreciated :)

I believe it is 2/ CPU in the order COLGeek mentioned as well" A1, B1, - E1, F1

and like Supahos said, if things didn't work out, I'll just test and see.

Thank you Again,
Best Tech Forum,

Cheers !!
 
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