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Gigabyte P35C DS3R XMS2 6400 Pro Problems


Hitower

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I have 2*1GB CM2X1024-6400Pro XMS6405v4.1 and a new P35C DS3R motherboard and I am having stability issues.

 

When I had both sticks in and left everything at default I had FSB:DRAM ratio of 5:6 and was getting 5-5-5-18 but orthos was crashing within seconds.

 

I tried combinations of either stick and both sticks and it kept crashing.

 

I tried chaning the multiplier to 2 so that the memory is at 667 instead of 800 and the spd timings changed to 5-5-5-15 but both sticks still crash, it is more stable at this with just one stick in though.

 

With both sticks in it is BSOD time.

 

I tried it at +0.2v on the DRAM too but it didn't seem to help.

 

The memory has 5-5-5-12 on the label but the SPD settings seem to be 5-5-5-15 at 667 and 5-5-5-18 at 800.

 

Is this memory just plain not compatible or do I need to do something different please?

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OK,running the tests on that PC as I type on this one.

 

First stick tried failed within 5 minutes,this is at 667 as I have multiplier set at 2, and at un-amended voltage which is 1.8v on this board I am pretty sure.

 

Second stick is in now and in same first slot and has lasted a little longer i will report back later but if I have any fails do I need to note the addresses etc or am I just looking for fails?

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Test still running OK at around 2 hours on this stick. I will leave it running.

 

Still not sure if I should try to let the ram run at 800 or if 1.8v is OK.

 

Assuming this stick runs for a few hours more should I rma the other stick that fails fast?

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  • Corsair Employees
Please follow the link in my signature “I think I have a bad part! Or *New* Tech Support Express” and we will be happy to replace them or it, please note that you are posting from the forum!
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OK, before I send them back I will test a bit more with a little extra voltage maybe.

 

Firstly, how do I find out what voltage is best for these modules?

 

Secondly, if one is faulty do I RMA both as they are a matched pair?

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  • Corsair Employees

Please follow the link in my signature it should answer those questions.

Max Voltage for DDR2 memory would be 2.1 Volts.

And if you do have a failing module you should get them replaced as a set so they both match.

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I sent my memory to the RMA address a week ago using insured 3 day delivery. The tracker said passed to US delivery last Friday but the tech express page hasn't noted you receiving it. It is always updated or should I start worrying?
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  • Corsair Employees
I am sorry we can no longer check RMA status in Tech Support; please call our customer service at 888-222-4346 or 510-657-8747 Ext “0” or send them an email (rmaservice@corsairmemory.com) with your RMA# and ask them for the status!
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