Zebben Posted May 2, 2010 Posted May 2, 2010 Hey, okay i have a bit of a problem here. Im usually on XMS2 PC2-8500 5-5-5-15 (1066Mhz) and i found some XMS2 PC2-6400 5-5-5-12 (800Mhz) laying around and i just can't get them running at the same speed as my other ones (960Mhz) Anyone got an idea of why its not working? Cpu: Intel Q9300 @ 480 x 7,5 (3600Mhz) Motherboard: Asus P5Q Deluxe Graphics card: XFX Radeon HD 5850 BE @ 900/1252Mhz PSU: Antec True Power 650 Watt Quote Share this post Link to post Share on other sites More sharing options...
ebarone Posted May 3, 2010 Posted May 3, 2010 What have you tried so far? Quote Share this post Link to post Share on other sites More sharing options...
Drdeath Posted May 3, 2010 Posted May 3, 2010 (edited) Hey, okay i have a bit of a problem here. Im usually on XMS2 PC2-8500 5-5-5-15 (1066Mhz) and i found some XMS2 PC2-6400 5-5-5-12 (800Mhz) laying around and i just can't get them running at the same speed as my other ones (960Mhz) Anyone got an idea of why its not working? Cpu: Intel Q9300 @ 480 x 7,5 (3600Mhz) Motherboard: Asus P5Q Deluxe Graphics card: XFX Radeon HD 5850 BE @ 900/1252Mhz PSU: Antec True Power 650 Watt You need to loosen the timings. You may not be able to get to 960MHz seeing it is 800MHz ram but try loosening the timings. You other Ram is 1066MHz and you are runnining it under 1066 so you can maintain the stock timings. Edited May 3, 2010 by Drdeath Quote Share this post Link to post Share on other sites More sharing options...
EkomsDeew Posted May 3, 2010 Posted May 3, 2010 i might be missing somthing but if you have an xms2 that runs 1066mhz stock and another that runs 800mhz stock then you will never get the 800mhz model to be as fast as the 1066mhz model since the 1066mhz model is just better than the other. Quote Share this post Link to post Share on other sites More sharing options...
Zebben Posted May 3, 2010 Posted May 3, 2010 I've tried different timings i.e 5-6-5-18, 5-5-5-12, 5-6-5-12 So on and so on And they arent running at the lower speed because as you see the fsb is at 480 which is 480 x 2 = 960 Simple math Quote Share this post Link to post Share on other sites More sharing options...
ebarone Posted May 3, 2010 Posted May 3, 2010 You have to loosen the timings a lot more than that to get it to work. Try 8-8-8-24 and set your Performance Level (aka tRD) to something high like 12. Remember theres like 50 different timings that can affect memory that could be causing your instability. There is a point though to rating a memory stick for a faster speed than another... dont expect to achieve all the same things with 800 sticks that you can with 1066 sticks. Quote Share this post Link to post Share on other sites More sharing options...
Drdeath Posted May 4, 2010 Posted May 4, 2010 You have to loosen the timings a lot more than that to get it to work. Try 8-8-8-24 and set your Performance Level (aka tRD) to something high like 12. Remember theres like 50 different timings that can affect memory that could be causing your instability. There is a point though to rating a memory stick for a faster speed than another... dont expect to achieve all the same things with 800 sticks that you can with 1066 sticks. +1 Quote Share this post Link to post Share on other sites More sharing options...
CowKing Posted May 4, 2010 Posted May 4, 2010 or just increase the voltage and see if it's stable Quote Share this post Link to post Share on other sites More sharing options...
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