nheather Posted February 24, 2009 Share Posted February 24, 2009 Not a warranty request yet, just seeking advice and opinion. I have built a new PC, no overclocking at all, everything at stock. The build appeared to go fine, but I got BSOD when playing the game Crysis. It was suggested that I test the memory so I ran MemTest86+ 2.11. This immediately showed fails in Test #7. I then tried to work out which stick was at fault, so ran each individually. They both passed - regardless of which slot I used. I tried the the two sticks in DIMMs 2&4 rather tha 1&3 - failed again. Doesn't fail all the time. For example, I left running over night and I had 14 passes and 19 fails. All fails are on Test #7. DDR2 Voltage is set to 1.9V which registers in Everest as 1.92V. I've tried increasing to 1.95 (1.97V) but this didn't have any improvement. Any suggestions of what I can try? Cheers, Nigel P.S. When I tested the RAM individually, I didn't do prolongued tests - about 3 or 4 passes - I didn't do any more because if both sticks had of been in then they would have failed by then. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 24, 2009 Corsair Employees Share Posted February 24, 2009 Errors in tests 5-8 would suggest it may be some other issue, I would try and set the memory Voltage to 2.0 Volts and make sure that you have the latest BIOS before you start. Link to comment Share on other sites More sharing options...
nheather Posted February 24, 2009 Author Share Posted February 24, 2009 I'm running MemTest with the memory clock set to 1:1 (666MHz) rather than 1:2 (800MHz) to see whether that passes. If that does, I will try pushing the voltage upto 2.0V. I must admit that I was a little worried about increasing the voltage but then I read your sticky http://www.asktheramguy.com/v3/showthread.php?t=38201 which says All of our modules are rated up to 2.9 Volts that socked me, impressive stuff, wouldn't have beleived it had it not been on the manufacturers forum. So if it is rated upto to 2.9V then 2.0V should be a walk in the park. Cheers, Nigel Link to comment Share on other sites More sharing options...
Wired Posted February 24, 2009 Share Posted February 24, 2009 That thread is referring to DDR1 and not DDR2/3. DDR1 is rated to 2.9v, DDR2 is rated up to 2.1 or 2.2v. So you're still well within spec. I've removed that info from the thread. FYI that comment had a link right after it going to the tested specs of each part #. Link to comment Share on other sites More sharing options...
nheather Posted February 24, 2009 Author Share Posted February 24, 2009 No probs - I was just being a bit cheeky :evil: - I didn't really believe that it would go to 2.9V. Anyway, my RAM passes MemTest at 666MHz and also I noticed that it did it at 1.8V because I'd left voltage on automatic. So it will be okay to try 800MHz at 2.0V? Cheers, Nigel Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 24, 2009 Corsair Employees Share Posted February 24, 2009 Yes just load setup defaults and then set the settings. Link to comment Share on other sites More sharing options...
nheather Posted February 25, 2009 Author Share Posted February 25, 2009 Thanks, Yesterday I set the DRAM ratio back to 1:1.2 (800MHz) and started increasing the DDR2 voltage. The MemTest results were as follows 1.90V - FAIL 1.95V - FAIL 2.00V - FAIL 2.05V - FAIL 2.10V - PASS I left it running overnight at 2.10V to be sure and in the morning found that there had been no failures. So in part good news but I'm a little concerned that I have to run the memory right up to Corsair's rated limit, especially as I'm running at stock - no overclocking or tightened timings. Is it okay to leave it running like this or is there a risk of damage? Cheers, Nigel Link to comment Share on other sites More sharing options...
Wired Posted February 25, 2009 Share Posted February 25, 2009 2.1 is within the spec'd voltage, so no, you won't damage the memory. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted February 25, 2009 Corsair Employees Share Posted February 25, 2009 We can try replacing the modules if you like,, please use the On Line RMA Request Form and we will be happy to replace them. But I would try testing them in another system if you can to be sure. Link to comment Share on other sites More sharing options...
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