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Difficulties with my 6GB triple channel kit

post #1 of 18
Thread Starter 
Can you help my to setup my Adata triple kit ?

This is my current ram:

ADATA XPG G Series DIMM Kit 6GB PC3-16000U CL9-9-9-24 (DDR3-2000) (AX3U2000GB2G9-3G)

But I'm not able to boot my system with 2000MHZ:(
Only 1666MHZ works still fine.

Maybe I did some wrong ? Can you see that some setting I have set is wrong ?

Here is my current settings:

jpg1.JPG
jpg2.JPG
jpg3.JPG
brskzbdscn6jgktj8.jpg

Systeminfo:

Intel Core i7 980X @ 4.8GHZ
6 x 2 GB ADATA XPG 2000MHZ
1TB Hitachi 7200rpm SATA
ASUS P6T7 WS SC
Win 7 X64
2 x 6990 Radeon


Sorry for bad english this is not my native language smile.gif
Edited by LookOut - 3/16/11 at 3:46am
post #2 of 18
Maybe your motherboard doesn't support more than 1666MHz ^^
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post #3 of 18
Thread Starter 
The manufacturer said that 2000MHZ is no problem with the ASUS P6T7

please view the asus website:
http://www.asus.com/product.aspx?P_ID=9ca8hJfGz483noLk&templete=2
post #4 of 18
1: not related to the question, but that voltage is going to kill that 980x.
2: try backing off your overclock to 4.0 GHz and try getting your RAM stable.
3: the 980x IMC is known for being unstable at higher frequencies and more than 2 sticks.
4: Try raising your IOH voltage.
Edited by MR KROGOTH - 3/16/11 at 5:46am
    
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post #5 of 18
Thread Starter 
thats only my benchmark config not 24/7.

My 2000MHZ RAM works with an UCLK with 3000MHZ.
If I try to set the UCLK to 4000MHZ the system won'T start frown.gif

The config works with an BLCK 143 and an multi of 34 that will work with 2000MHZ RAM but If I set the UCLK of AUTO the system decrease the UCLK to 3000MHZ and thats to slow with that low UCLK speed.

If I set the UCLK manually to 4000MHZ the system won't start .....

With the BLCK 166MHZ+RAM 1666MHZ the auto config for the ULCK is still fine and set to 3332 MHZ (Northbridge Frequency)

But I want this 4000MHZ Northbridge Frequency for a very fast performance smile.gif

I tried to update my bios but I already have the last bios version frown.gif
post #6 of 18
Thread Starter 
Quote:
Originally Posted by MR KROGOTH;12752259 
1: not related to the question, but that voltage is going to kill that 980x.
2: try backing off your overclock to 4.0 GHz and try getting your RAM stable.
3: the 980x IMC is known for being unstable at higher frequencies and more than 2 sticks.
4: Try raising your IOH voltage.

I should set the IOH Voltage to 1,2 Volt or ?
post #7 of 18
Thread Starter 
With 1,2 VOLT IOH and QPI/DRAM Voltage 1,55 my system boot thumb.gif

RAM is working now with 1800MHZ and an Northbridge frequency of 3600MHZ thats cool :-)

okay thats not the final point but a good result for the moment :-)
post #8 of 18
Quote:
Originally Posted by MR KROGOTH;12752259 
1: not related to the question, but that voltage is going to kill that 980x.
2: try backing off your overclock to 4.0 GHz and try getting your RAM stable.
3: the 980x IMC is known for being unstable at higher frequencies and more than 2 sticks.
4: Try raising your IOH voltage.

1.6V qpi/vtt is way too much for a 32nm cpu, I would keep it under 1.5 for daily use, preferably under 1.4V
The IMC is fine at higher frequencies with more than 2 sticks, although it does depend on the IMC, my 980x didn't have the greatest but still no problem to clock mem at 2400Mhz or more in triple channel.
The uncore multi can be tricky at times, I find it generally works easiest set to auto. If you can play with the mem multi & bclk to get the mem speed you want with the uncore as high as auto will get it, it'll usually work OK.
    
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post #9 of 18
Thread Starter 
Okay I started to reach 2000MHZ this week.

At the moment with the following setup:

25 x 185
RAM Speed 1854 MHZ
ULCK 3708 MHZ

and this is the last setup up thats able to boot.

How can I reach 1900 MHZ or higheR ?
I tried a QPI Voltage 1,65 Volt and IOH Voltage 1,3 Volt without sucess.

What can I do to reach 1900 MHZ ?
Did I need more DRAM Voltage ?

Any ideas ?
post #10 of 18
Drop the uclk down more, for the 980x it only has to be minimum 1.5x the dram speed. For 2000Mhz try about 3200 - 3400 uncore & it should be fine.
For higher performance the uncore 2x the dram is nice, but when getting the ram frequency higher it just gets too hard on it.
1.5x the dram frequency, & you might be able to bump the uclk multi 1 or 2 higher from there.
    
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