fire5tar Posted October 8, 2007 Share Posted October 8, 2007 I've been having issues with my system ever since I built it a year ago. Recently ran memtest on my RAM (TWIN2X2048-6400) and found one of the modules was damaged and returned it via my supplier. However when placing the new chips into my machine I ran memtest+ just to be on the safe side and it errorred again. Again as before I ran the RAM on another DDR2 system to check if this was my machine or the RAM test came back clear although the RAM was detected with the following settings on the 2nd system: 5-5-5-18 882MHz? Because I've almost convinced my self this isn't a RAM error I went and brought a new PSU (Corsair HX620) and still have the same problem. Have also swapped motherboards from the ASUS P5N32-SLI Deluxe (nForce4) to my current ASUS P5N32-E SLi (nForce680i) Still same issue any ideas whats going on? Only get the errors with 2GB installed 1 chip on its own is solid as a rock. Only get the errors in memtest+ 1.70 on test #5 Have swapped the chips through all combinations of the 4 slots on the mobo Running the latest 1205 bios Manually set RAM settings too: 5-5-5-12 / 2T / 1.9V as shown in the Cosair PDF Any help greatly received me and all my technical freinds are stumped. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 8, 2007 Corsair Employees Share Posted October 8, 2007 If you load optimized defaults and set the Memory Voltage to 1.9 volts and then set the timings to 5-5-5-12 (CAS-tRCD-tRP-tRAS) and then test the modules one at a time with http://www.memtest.org, what happens? Link to comment Share on other sites More sharing options...
fire5tar Posted October 8, 2007 Author Share Posted October 8, 2007 If tested individually with bios defaults and your recommended mem settings they are fine. Only when both chips are run together in dual channel or just side by side they error on infamous test5. I've just run a test with 5-5-5-12 / 1.9v both chips in Dual channel with MHz rating of 533MHz using the sync mode in the bios 4hours+ no errors from memtest+ Lost for answers on that one... About to buy another CPU in a vain attempt to get this system stable... Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 8, 2007 Corsair Employees Share Posted October 8, 2007 If the modules run fine by themselves there is probably not a defective module, are you able to test the modules on a different system? Link to comment Share on other sites More sharing options...
fire5tar Posted October 9, 2007 Author Share Posted October 9, 2007 As per the first post I have tested fine in another machine although the RAM timing's the other machine detected at startup where very strange: 5-5-5-18 / 882MHz ?? It seems to be dual channel mode with 2GB with 800MHz that causes the problem. Running them in Sync'd at 533MHz proved 100% stable. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted October 9, 2007 Corsair Employees Share Posted October 9, 2007 It seems to be dual channel mode with 2GB with 800MHz that causes the problem. Running them in Sync'd at 533MHz proved 100% stable. So individually they will run stable at 800MHz but when paired in dual channel they will only run stable at 533? What if you run them paired up in single channel? Link to comment Share on other sites More sharing options...
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