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4 sticks of ram 2 of each showing different results in CPUz - Page 2

post #11 of 17
Alright, now I'm clear on where you are confused.

The SPD tab is informational only. Those are not the values in use. It is there for your reference.

The Memory tab is what is actually in use at any given time. According to that screenshot, you are now running at 1866 9-10-9-28. Enjoy!
    
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post #12 of 17
Quote:
Originally Posted by tsunamipop View Post

Quote:
Originally Posted by Baskt_Case View Post

What happens when you set the RAM to 1866 9-10-9-28 in the BIOS?

the memory tab shows

But the spd still shows different values for the 2 sets of sticks. If i should just ignore that tab then I will and move on.

Also one set shows 1 t and the other shows 2 t does that value matter too much? or can i leave it auto?

you done it, they are now running at the desired speed, dont worry about what the SPD tab says and just move on.
if anything maybe try setting the cmd rate to 1T or 2T on both channels in BIOS so they atleast match.. i beleive 2T is alittle slower and as why CPU-z is showing 2T by defualt
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post #13 of 17
Thread Starter 
I guess thats why they said to enter those values in the bios. But I just happened to have sticks with slightly different ratings since I bought them so far apart from each other? Is there a reason for this. I mean I bought 1866 sticks and one is showing 800 mhz and the other 933. The only other difference is the command rate and Trc. But the timing I entered are the same on all four. What is my best option for the best experience?
post #14 of 17
Quote:
Originally Posted by tsunamipop View Post

I guess thats why they said to enter those values in the bios. But I just happened to have sticks with slightly different ratings since I bought them so far apart from each other? Is there a reason for this. I mean I bought 1866 sticks and one is showing 800 mhz and the other 933. The only other difference is the command rate and Trc. But the timing I entered are the same on all four. What is my best option for the best experience?

its wierd why it happend but maybe it is becuase the SPD ratings... might be nice to match Trc since it has an afect on b/w if you like but atleast now check for stability.

an old giude on timings but you get the idea
http://www.overclock.net/t/230910/ram-timings-guide
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post #15 of 17
Quote:
Originally Posted by tsunamipop View Post

the memory tab shows

But the spd still shows different values for the 2 sets of sticks. If i should just ignore that tab then I will and move on.

Also one set shows 1 t and the other shows 2 t does that value matter too much? or can i leave it auto?

The memory tab is what your memory is running at now, so that is all good!

The SPD is showing that indeed those are 2 different kits, although same product number...

Anyway because you SET them MANUALLY, you can be sure they WILL run at the frequency and timings you see in the Memory tab.

1T is faster than 2T (it's something like do 1 or 2 things in the same cycle) --> you can "compare" it with a 32-bit or 64-bit bus (in 1 cyclus the 64-bit takes/calcuates twice the data than 32-bit)

Does this effect real-life? I don't think so. Set it at 1T. If it's unstable, set it 2T
   
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post #16 of 17
I had something like this happen. Sometimes they program different XMPs or simple forget to. XMP means nothing, it's just a profile, your RAM will do it's rated XMP settings just fine, as it's just an overclock (anything other than 1333mhz CL9 is overclocked RAM).



See the 996902 on the right, I had the RAM, had it's XMP profile just fine of 2000mhz cl7-10-8-27. I RMA'd it, and the RMA did not have the XMP profile put in. I'm pretty sure that Mushkin custom made this RAM for me, as it's EOL and I insisted if they could find it in their hearts to give me PSC instead of BBSE 2000 CL9s, and they obliged.

I'm using 2 separate kits of RAM as well, but they both using identical RAM ICs (only differnence is one is a week older). They are both PSC XDZs, 996902 2000 CL7-10-8-27s, and 996826s 1600 CL6-8-5-24

You don't need to run RAM at the same speed, if your motherboard is capable, you can run them at different timings for each channel. My 2 kits are binned differently but the difference is one will crash at X timing while the other will simply error, they aren't different enough that I could do entirely different timings on each channel. Now, at 2400mhz they are different, but my IMC isn't good enough to do 4x2gb 2400mhz.

DDR3 is good for at least 1.75v on air, if not higher (i'd only max at ~1.8v if it's a rare, end of life ram like PSC/BBSE, not some generic mushkins) and ~80*C (won't even hit 50*C with just 2 sticks at 1.8v, 4 sticks gets warmer but they'll hit just 65). You should crank up your voltage, see what you can do. Rule of thumb I'd go by is a single jump up in frequency warrants a loosening of timings by 1-2, depending on how large the jump is.
Edited by Belial - 5/19/13 at 2:21am
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post #17 of 17
Thread Starter 
Thank you very much all of you guys. I love this overclock .net thing we have going here. Always able to find the right answers even when I wake up at 4 am and make a post like I did this morning. I had 4 replys in a matter of minutes. Keep up the good work. If I am every able to help I will do my best although I have a long way to go before I have the knowledge you guys possess. smile.gif
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