Mixing two Specific RAM stick pairs

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Konduction

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Dec 13, 2014
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I need help mixing 2 pairs of 4gb sticks. I tried just installing it, but then BIOS will not load and no signal to my monitor. I have confirmed that my PC works with one pair at a time, but I need help with configuring BIOS so I use both pairs together.

My first pair is Crucial Ballistix Tactical (4GBx2) DDR3 1866MHz 9-9-9-27 1.5V blt4g3d1869dt1tx0 Intel XMP Ready

My second pair is G.Skill Sniper (4GBx2) DDR3 2133MHz CL11-11-11-30 1.6V F3-17000CL11D-8GBSR Intel XMP Ready

My mobo is Asus P8Z77-V LK

I've tried setting my DRAM voltage to 1.6V in BIOS but it still didn't work. What else can I do (besides buying another pair of RAM sticks that is the same as one of these pairs)?? I know I need 16GB RAM, unfortunately.
 
Solution
Tradesman1
My bad on that (had two threads open, one was AMD hence the CPU/NB, on your mobo it would be a slight additional increase to I believe they use the VCCSA voltage which feeds the MC (memory controller) and it would be as high on Intel, maybe 1.14 to the MC, 1.65 for the DRAM voltage (if all works we can then adjust down, as it allows). The timings, at 10-10-10-30 should be prime for the 2133 sticks at 1866 (down a level from their 2133 base at 11, and will loosen up the base CL9 timings of the 1866 sticks so they can hopefully play nice with the higher rated sticks. If all is good with the 10 timings can then try and tighten them down for improved performance at 1866 or even kick all of them up to 2133 for better performance, but first...
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Konduction

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Dec 13, 2014
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Thanks! I'll get back to you and tell you if it works! But regardless and in the meantime, why 10-10-10-30? and why 1.25 volts?
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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My bad on that (had two threads open, one was AMD hence the CPU/NB, on your mobo it would be a slight additional increase to I believe they use the VCCSA voltage which feeds the MC (memory controller) and it would be as high on Intel, maybe 1.14 to the MC, 1.65 for the DRAM voltage (if all works we can then adjust down, as it allows). The timings, at 10-10-10-30 should be prime for the 2133 sticks at 1866 (down a level from their 2133 base at 11, and will loosen up the base CL9 timings of the 1866 sticks so they can hopefully play nice with the higher rated sticks. If all is good with the 10 timings can then try and tighten them down for improved performance at 1866 or even kick all of them up to 2133 for better performance, but first we ned to see if they will play together nice.
 
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