Help getting DDR3 2133 ram to work on Asrock z68 Extreme4

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hips and nips

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Nov 15, 2015
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Hello, I am having trouble getting my ram to operate at full speed.

This is the ram:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820231617

I installed it and it works in dual channel mode but at 1333 speed only. I see under XMP settings in BIOS that a "profile 2" exists with the correct 9-11-11-31 steppings, however when I choose this profile and reboot, computer does not POST and it reverts back and sends me back into BIOS.

I then tried to manually set the steppings to specs as follows:

cas9 9-11-11-31 2n

voltage left unchanged at 1.605

Still doesn't boot. These are the only values I sort of understand. Any help is much appreciated.

CPUID shows BIOS version:

American Megatrends Inc.
P1.30
5/4/11

Also, downloaded latest CPUZ and it suggests that I can run 1t command rate with 9-11-11-31-42 1t @1066 FSB but that is another matter. I'd be happy just to get it to run at specs.
 
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H

hips and nips

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Nov 15, 2015
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4,510
15-2500k is my cpu. Profile 1 didnt work either. Neither did 1600 or 1866...only likes 1333 for whatever reason. and I have the ram in the white slots furthest from cpu, if that matters at all.
 
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hips and nips

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Nov 15, 2015
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I can try this but isn't it odd that it would not run in 1600 or 1833 mode either? Before I can try OCing at all though, I need to repaste my cpu and get that layer of dust off cus it's running hot as it is so that will take a minute.
 
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hips and nips

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Nov 15, 2015
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Another question. I have 2x4 ddr3 1866 gskill ram. If I were to send this new ram back, and pick up another 2x4 of the same model number ram I had already, should I expect them to be able to run all 4 in dual channel mode on my asrock z68 extreme4 mobo?
 
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hips and nips

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Nov 15, 2015
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Ya, I decided to go with option #2 so we will see. This ram I have operates at 1.5v which is more compatible with the 2500k anyway. It works at rated 1866 speed with no tweaking required. and with the difference, I got myself a Hyper 212 EVO!
 
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hips and nips

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Nov 15, 2015
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So, new ram came in and works like a charm! No tweaking needed runs at 1866 :D in dual channel mode. These ram chips are a full 4 years apart and the only difference I can see is the heat sinks on the new chips are just slightly longer to fully cover the length. So for future reference, this is a scenario where buying chips with the same product numbers are still compatible despite a 4 year difference. They even have better timings with 9-10-9-27 but with 2N instead of 1N vs the Tridents which were also 2N. I might try switching to 1N but I hear that doesn't yield much improvement. At any rate, 3dmark demo scores are a full 200 points higher with these 4 ram sticks vs the Trident ram. I am a happy camper.

The cooler has arrived as well but I haven't installed it yet. After I get that in, I assume I can OC the 2500k with even better results. As it is now, the highest temp I have gotten under load is 64C on one core and 63C on the other 3.

FYI, the ram I'm currently using now is 2 pairs of (2x4gb) G.SKILL RIPJAWSX F3-14900CL9D-8GBXL DDR3 1866 9-10-9-27 2N 1.5V
 
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hips and nips

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Nov 15, 2015
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4,510
Hey, this is off topic but maybe you know something about why my second SSD drive is not recognized in BIOS but I have been using it in Windows 7 for about a year now? I noticed this because I saw in task manager that Intel Rapid Storage process is taking up 25% of my CPU's resources. Reading up on it, it was suggested that my SSD drives were not operating in AHCI mode. So I checked BIOS and it is in AHCI mode but I then noticed that the second drive isn't recognized at all.
 
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