dejanh Posted June 17, 2009 Share Posted June 17, 2009 Well, not quite, the board boots at 1600MHz with triple channel configuration fine but randomly locks up in Windows during memory intensive tasks, such as benching, memory tests, LinX with all DRAM used, etc. I have isolated it to DRAM as being the culprit for sure unless all three of my Rampage II Gene boards are faulty. The same DRAM however works just fine in the Rampage II Extreme and EVGA Classified 759 with the exact same hardware ported over to those other boards. CPU is i7 920 D0, no overclocking, doing all testing on stock now. Like I said again, the board boost, sees all DRAM but then randomly locks up (no BSOD, no crash, just locks up). Dropping the DRAM speed to say 1333MHz solves the problem. What the heck is going on? This is now three boards with the same issue... Edit: I forgot to mention, QPI/DRAM is set at 1.35V and DRAM is set at 1.65681V in BIOS. Timings are default 8-8-8-24-2T. :confused: Link to comment Share on other sites More sharing options...
Wired Posted June 17, 2009 Share Posted June 17, 2009 How many sticks do you have? What's the part #? Link to comment Share on other sites More sharing options...
dejanh Posted June 17, 2009 Author Share Posted June 17, 2009 TR3X6G1600C8D, 3x2GB, so three sticks... Very strange problem indeed. I have no idea why it is happening. This memory is on the QVL for this board and it works perfectly fine in the other boards too, but here, 3 R2G boards later and the same exact problem. Total system hard-lock. I know this board has problems with the high-speed Elpida ICs but I do not think that these have those ICs. Link to comment Share on other sites More sharing options...
dejanh Posted June 17, 2009 Author Share Posted June 17, 2009 Well, not to completely jump the gun because I am testing still but it looks like I managed to resolve the lockups by manually setting the Back to Back CAS Delay (tRRD) to 6. For some reason it was set to 0 when using Auto settings. Using 4 still caused lockups, but using 6 so far I am running MemTest HCI Deluxe at 175% just fine... Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted June 17, 2009 Corsair Employees Share Posted June 17, 2009 You should be using http://www.memtest.org to test the system. Link to comment Share on other sites More sharing options...
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