atec Posted February 4, 2006 Share Posted February 4, 2006 I have been having stability issues when I use this RAM. I ran memtest for 3 hours with them set to 265mhz 2.5-4-4-8 2.80V (the vdimm was around 2.80, but I have tried many different vdimms between 2.75 and 2.88 and I always get the same stability problems) for 3 hours with no problem, however, I am yet to run prime95 for more than a couple of hours with them in. Yesterday I replaced the RAM with some other 512 3200 RAM and ran prime95 for 12 hours no problems. Below is a more detailed account of what I've done. I have the twinx1024-4400c25pt ram, a dfi lanparty ut expert motherboard, opteron 165, and an xfx 7800gt. I stripped down the system to just the ram, cpu, motherboard, graphics card, hdd, and optical drive. I found that the system was unstable with the bios set to default settings, and unstable with i/o settings set to 'optimised' settings. These settings range from 290mhz to 230mhz fsb, each with a range of vcores/vdimms/ram-fsb ratios etc. Nothing has been stable. First I thought it might be the motherboard or bios. I tried two different motherboards (the other was an asus a8n32-sli), and a variety of bios versions for each (including official, beta, and modded versions). I actually found that the system was most unstable with default settings. But all was ultimately unstable. I tried formatting and reinstalling windows many times throughout to make sure there was no driver conflicts or any other artefacts causing the trouble. I always found that prime 95 and cpu stability crashed after anywhere between 3 mins and a few hours. I have tried call of duty 2, half life 2, battlefront 2 - all crash. Sometimes they refuse to start, and sometimes crash after an hour or so. I get many instruction set errors, memory read/write errors, and occassional bsod. All this is cleared up with different ram though. Since you are sure there aren't compatibility issues between this ram and my motherboard (I read a response to a query about this in another thread somewhere), I suspect there might be a problem with the RAM. I am going to leave memtest for 24 hours and see if it comes up with anything. Link to comment Share on other sites More sharing options...
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