Hello, did anyone managed to use the XMP feature on their MB's? I cannot put it to enable as it will not pass over the "loading windows". My board is in sig with bios F4. It was impossible to get it working even if it was the only feature changed from "load optimized defaults". Thanks.
Extreme Memory Profile enabling (X.M.P.)
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raise volts?
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I wouldn't worry about it. Enter the settings manually and increase the latencies one by one until you find the culprit.
Originally Posted by Gmt  Hello, did anyone managed to use the XMP feature on their MB's? I cannot put it to enable as it will not pass over the "loading windows". My board is in sig with bios F4. It was impossible to get it working even if it was the only feature changed from "load optimized defaults". Thanks. |
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that only points to one thing then I suppose... defective ram.
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try running memtest on the OC/XMP settings
try running memtest on the OC/XMP settings
Hmm, I did a load optimized defaults, enabled XMP, changed from spd to quick and checked all the settings,they showed 9-9-9-9-24 and voltage 1.65, tried to boot, at load OS pressed Del and entered memory check but it froze there. I did the same with default settings, memory check OK. Now I see on the description of the board that it supports DDR3 2200/1333/1066/800MHz, I assumed that it support 2000 also if 2200 is supported. Could it be the issue?
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Are you still running 4GHz at 200x20? This might be your problem. Try 182x22.
Originally Posted by Gmt Hmm, I did a load optimized defaults, enabled XMP, changed from spd to quick and checked all the settings,they showed 9-9-9-9-24 and voltage 1.65, tried to boot, at load OS pressed Del and entered memory check but it froze there. I did the same with default settings, memory check OK. Now I see on the description of the board that it supports DDR3 2200/1333/1066/800MHz, I assumed that it support 2000 also if 2200 is supported. Could it be the issue? |
Well, no, I did it after a fresh "load optimized defaults" so all settings are to their defaults, this was the only thing changed. I have only 21 max multiplier anyway so no 182*22 :-(. I saw some guys recommending to go with an uneven multiplier 19, 21 and so on. There is any advantage to go 21*190 instead of 19*210, or vice-versa?
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Sorry, for some reason I thought you had a i7 950, not a i5 750.
There's nothing wrong with the x20 multiplier per se; it just seems to have some weird interactions with RAM timings when run at exactly 4GHz (200x20). This post at XS explains in detail what the problem is and how to solve it.
Originally Posted by Gmt Well, no, I did it after a fresh "load optimized defaults" so all settings are to their defaults, this was the only thing changed. I have only 21 max multiplier anyway so no 182*22 :-(. I saw some guys recommending to go with an uneven multiplier 19, 21 and so on. There is any advantage to go 21*190 instead of 19*210, or vice-versa? |
There's nothing wrong with the x20 multiplier per se; it just seems to have some weird interactions with RAM timings when run at exactly 4GHz (200x20). This post at XS explains in detail what the problem is and how to solve it.
The main issue is that the XMP does not work with default settings when everything is stock, I am not talking about OC-ing, I just wanted to see the impact of 2000 bandwidth against 1600 which is normally set. I found this link
http://en.allexperts.com/q/PC-hardwa...erformance.htm and this explanation
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made me think that indeed nowhere on my board is specified 2000 just 2200, and till now it is the only reason I could find to explain the fact that it is not working, even on stock speed.
http://en.allexperts.com/q/PC-hardwa...erformance.htm and this explanation
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| Unfortunately, for starters I can tell you that you have the incorrect RAM for that motherboard. That alone is probably causing your freeze up problems so you really need to try and exchange what you have for the correct memory. That motherboard supports 1900MHz DDR3 and you have 1800MHz DDR3 in it. So the memory speed maximum is slower than the motherboard speed minimum. |
If you look at the MB specs in the link, you will see that it is more or less the same situation:
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And that guy made the same stupid assumption as me believing that 1800 memory as it is in between 1600 and 2000, is ok.
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| Support for DDR3 2000/1600/1333/1066/800/MHz, XMP memory modules. |
Well, I've managed to get a pair of XMP 1600 ram sticks and my suspicions became true. I have to open my eyes before I buy something next time :-(. The XMP enabled @1600 went smooth no issue and I managed to get 1600 OC on RAM. Indeed error10 has been right I have no improvement in performance opposed when I have my 2000 XMP(disabled) ram inside OC'd at 1600 with [email protected] I think we can close the thread. Thanks to all of you for our time and help.
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1 : 1 for uncore doesnt seem to cut in xmp mode.
I had the same problem, i did 2 : 1 on my uncore and it solved the problem.
1 : 1 for uncore doesnt seem to cut in xmp mode.
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