The memory bus speed exceeds the module speed rating

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Phaanty

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Jan 3, 2014
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hi guys, i just started Sandra to make diagnostic and got message like this "The memory bus speed exceeds the module speed rating" i have 1866 mhz ram but i cant run it, i just changed it to 1600 from Memory Frequency.so is this a real warning? i mean if i left it like this i wont work fine? if not hope somebody can tell me what to do
 
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Phaanty

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Jan 3, 2014
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i run memtest86+ for 2 hour, did 2 pass 0 error. how to check clock timing?
did you mean this?
2uojo8i.jpg

if yes, is it ok?
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
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Ok you have a 3470 CPU and your mobo is a Asus P8Z77-V LX, with your CPU (it's locked), so you can't really OC it and that is probably needed if you want to run the sticks (DRAM) at 1866 - if you want to try and run them at 1866, go into BIOS (make sure you have the latest version, if not flash to the newest) and enable XMP, select profile 1, raise the DRAM voltage + 0.06 and raise the VCCIO voltage to 1.13 or so, that might be enough to carry the sticks at 1866
 
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Phaanty

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Jan 3, 2014
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i dont have XMP profile, there is only auto and manual, i wonder why. my question was if current speed (1600mhz) working normal, because as i said Sisoftware sadra told me "The memory bus speed exceeds the module speed rating" one more question, is it okay that i do not have XMP profile?
 
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Tradesman1

Tradesman1

Legenda in Aeternum
Jun 5, 2013
67,883
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In the AI Tweaker page change AI Overclock Tuner to manual, memory freq to 1866, then in DRAM Timing COntrol set the base timings per the DRAM specs (i.e. 9-9-9-24), set DRAM voltage to + 0.06 over the their spec - i.e. if the sticks are a 1.5 set, then set them to 1.56 and change the VCCIO manually to 1.13 or so
 
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Phaanty

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Jan 3, 2014
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okay, i will try it a bit later. will leave feedback. my current (1600mhz) works fine? i just changed memory fraq fro mauto to 1600 and thats it. (auto showed 1333) should i worry about message "The memory bus speed exceeds the module speed rating" in case if i wont be able to make them work at 1866?
 
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