JBags Posted January 23, 2013 Posted January 23, 2013 Have you tried bumping the DRAM voltage yet? Sometimes as sticks get older they might need a little more juice to run the same speed and timing. Otherwise you could try Waco's suggestion and reduce frequency or increase primary timings. Sure, I'll give that a try, too. But they do test fine when run individually or when in the same channel. it's when they're run in dual channel is when I get errors Share this post Link to post Share on other sites More sharing options...
d6bmg Posted January 23, 2013 Posted January 23, 2013 Sure, I'll give that a try, too. But they do test fine when run individually or when in the same channel. it's when they're run in dual channel is when I get errors Yes, your problem sounds like a problem with motherboard, but the BIOS code signifies unstable DRAM voltage. Share this post Link to post Share on other sites More sharing options...
JBags Posted January 24, 2013 Posted January 24, 2013 Update time! Ran the sticks at the lowest frequency (200MHz) and they passed. Upped the frequency to 266MHz, the had one error in the 6th pass. Currently testing at 333MHz. Voltage constant: always set to Auto (which i believe defaults to 1.85V) So could this be a voltage issue where, when run in dual channel, the mobo isn't supplying the rated voltage to the sticks? Share this post Link to post Share on other sites More sharing options...
Waco Posted January 24, 2013 Posted January 24, 2013 It could be. Dual channel does draw more power. Share this post Link to post Share on other sites More sharing options...
wevsspot Posted January 24, 2013 Posted January 24, 2013 Hence the recommendation to bump DRAM voltage a tad. And now armed with the information that DRAM voltage is currently set to "Auto" in the BIOS. That's normally a no-brainer anyway. Always manually set your DRAM voltage and four primary memory timings to the values shown on the stickers affixed the the memory module. Share this post Link to post Share on other sites More sharing options...
JBags Posted January 24, 2013 Posted January 24, 2013 yeah, my b, wev. first thing i'm gonna do when I get home is to manually set all that and test again Share this post Link to post Share on other sites More sharing options...
wevsspot Posted January 24, 2013 Posted January 24, 2013 Don't be afraid to bump the DRAM voltage up to as much as .05v over the factory recommended setting if that gets them stable at their rated speed and timing. The fact that reducing speed to 266Mhz resulted in Memtest passing tells me that a DRAM voltage bump may cure your ills. Share this post Link to post Share on other sites More sharing options...
d6bmg Posted January 25, 2013 Posted January 25, 2013 So could this be a voltage issue where, when run in dual channel, the mobo isn't supplying the rated voltage to the sticks? Yes, it could be, and from the condition you have posted, it looks more like it. Share this post Link to post Share on other sites More sharing options...
JBags Posted January 25, 2013 Posted January 25, 2013 Well, i manually set Freq and timings to 400MHz 6-6-6-18. the sticks' rated voltage is 1.8V... and the lowest the mobo goes is 1.85V, but i pushed on with voltage anyway. I dared as much as 1.91250V (increments of 0.00625V, ~6.25mV), nothing really worked. 1.875V passed the first run, then errored somewhere in the second. Since I can't loosen timings any further, I'm testing atm at 333MHz @ 1.9V, if that passes then I'll lower voltage and find what that likes. At this point, I'll prob end up just running the memory in single channel and not worry about it. Share this post Link to post Share on other sites More sharing options...
wevsspot Posted January 25, 2013 Posted January 25, 2013 That might be the best solution. Share this post Link to post Share on other sites More sharing options...
Waco Posted January 25, 2013 Posted January 25, 2013 Honestly the easiest solution would be to just run 266 MHz and not worry about it. Share this post Link to post Share on other sites More sharing options...
d6bmg Posted January 26, 2013 Posted January 26, 2013 Honestly the easiest solution would be to just run 266 MHz and not worry about it. That would be the safest solution. Share this post Link to post Share on other sites More sharing options...
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