8,8,8,24 and 9,9,9,24 memory mix ?

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gerry410

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Jun 17, 2010
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Hi all, I have a triple channel 3 x 2 6GB set of Corsair Dominator memory (CMP6GX3A1600C8).
I want to add a set of CORSAIR DOMINATOR 12GB (3 x 4GB) (12800) CMP12GX3M3A1600C9.

The timings on the new 3x4 12GB set are 9,9,9,24.
Older sticks timings for the 3x2 (6GB) set are 8,8,8,24.
Both are 1.65 volts and DDR3 1600.

I understand I can relax the timings on the 8,8,8,24 6GB set but I'm not sure how to start.

Should I install :

1) the 8,8,8,24's and relax the timings to 9,9,9,24 then add the 12 GB set.

or

2) Install the 12GB 9,9,9,24 set first then the 8,8,8,24 6GB set?

I don't know what are the cautions I should take.

Thanks all
 
Solution


What you should do first is set the 6GB set to 9-9-9-24 and test it thoroughly using memtest. Loser timings does not guarantee stability. Next, separately install and test the 12GB set at the 9-9-9-24 timings independent of the 6GB set. Finally, install and test both sets. The reason I suggest doing is that you're breaking a number of rules:

First, you're mixing two different sets of DIMMs with different recommended timings...
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