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Compatibility question with Asus Crosshair mobo & CM2x1024 (2)


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New member here, first post. I'm in the process of teaching myself about computers, and have built my own system.


I have kind of hit a wall, and the manual is not helping. Right now, I just want to make sure my bios default settings and voltages with my ASUS Crosshair mobo are what they should be for my Corsair CM2x1024-6400 memory sticks (not looking to overclock yet).


For the most part, my computer is running smoothly, but I am getting bsod's randomly, and I suspect it is not a faulty hardware issue, but a settings/compatibility issue. I have done some testing with another computer and I've run a memory test, and the sticks themselves seem fine. Though I suppose I could have missed something. I have read enough to know that the DDR voltage should be manually set at 2.1v, or somewhere around there, but I'm not sure if I should mess with the timing settings and other voltages.


My CPU is Dualcore AMD 64x2 5200, GPU is GeForce 8800 GTX, and Soundcard is Creative Soundblaster X-fi Elite Pro. If you need more information, I would be happy to supply it.


I would be grateful for a few pointers on this.


Thanks for your help in advance.

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That's a pretty sweet setup you've got going there :sunglasse


Could you please list the other pieces of primary hardware in your system? I'm primarily interested in what you have for a PSU and (though it's not hardware) an operating system.


I've gone through my fair share of issues with two Crosshairs so hopefully we can get this squared away for you.



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  • Corsair Employees

Please make sure that you have the latest Bios version and then load setup/optimized defaults and set the Dim Voltage to 2.0 volts and then set the timings manually to the tested settings for the specific module you have, or if you have Value Select "BY SPD" and then test the module/'s one at a time with http://www.memtest.org! If you still get errors, please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it! However, if you get errors with both modules that would suggest some other problem and I would test them in another system or MB to be sure. In addition, with some MB's (Mostly ASUS) you have to disable legacy USB in the bios when running any memory test.


You can get the settings from the link in my signature and please make sure you set the ‘Write to Precharge delay’ in the BIOS (same page as for latencies) from default 10 to 15

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Thanks for the tips!


I followed your links, and changed my timings and voltage in my bios, and I haven't had a bsod in 2 days. In fact, things seem QUITE smooth!


I'm going to settle with this for a few weeks then try my hand at overclocking. Any good online manuals or guides for beginners that you know of?


DomG, regarding my setup, I have the following in addition to what I already listed:







And I'm running XP Pro for my OS.


The only thing I'd do different is replace my two 320gb harddrives with 2 150gb raptors with a RAID array. But at the time, I did not know how to set that up, so I just went with size (I have a very large music collection).


It's been fun! When I play games, I can't seem to find any stutters or glitches with max settings on EVERYTHING. I haven't tried 3DMark yet, but I wouldn't really know a good score anyways. But I'm sure I'd do alright. . .

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