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Cm2x1024-6400


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Hello..

 

Im pretty new to overclocking.. Ive read alot of guides and understand them, but I'm having some practical problems..

 

My memory is CM2X1024-6400 and my CPU is a C2D e6600 (2.4ghz)

 

By default, my memory is running (5-5-5-15) at 333mhz, and it should be able to do (5-5-5-18) at 400mhz, right? But when I test it in memtest, I get an error..

 

I havnt touched the voltage, so im guessing it is at 1.8v by default?

 

Why am I getting an error?

 

 

also, I read that a 1:1 FSB:DRAM ratio is the best, is this true? I would think that a DRAM which is higher than FSB doesnt matter?

 

 

Cheers..

//Symptom - trying to OC :roll:

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Yea, but i'm trying to get a 1:1 ratio..

 

Atm the ram timings and clock speed is just set to "Auto" in the bios, untill I know more..

 

My FSP is set to 330 which gets me 2975mhz, but my memory was automaticly set to (5-6-6-18) at 248mhz.. And I dont understand why the timings are so high, if the ram can take 5-5-5-18 @ 400mhz :(:

 

edit: I edited my profile ..

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Intel is notorious for taking control of timings when set to Auto. That's why you need to enter and set the timings manually. That DRAM will very likely do 5-5-5-12 at 1.9V if it is not bad.

 

But let's start at the beginning. Set the above and a single stick in Dimm Slot 1 (Closest to the CPU). Memtest with version 2.01 from http://www.memtest.org. Remove that stick and insert the second stick and test. Allow for two full passes on each test.

 

Results?

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Cheers..

I'll get right on it and post results asap..

 

Edit:

Okay.. got some results..

 

The first stick seems to be fine.. DDR2-800mhz (5-5-5-12) @ 1.9v.. two full passes, no errors.. Lovely..

 

But then I tried the other stick, and I got an error quite fast, so I tried to set the timings to auto, still an error, then I set the voltage to auto, still an error, then I set the speed to auto (which is all on auto now :P) and still an error..

 

All the errors were on the same "adress", and since it isnt error-free when everything is on auto/default, I guess I have a bad stick, or are there other explanations?

 

http://www.janphilip.dk/bad_memstick.jpg

http://www.janphilip.dk/ss_mem1.jpg

http://www.janphilip.dk/ss_mem2.jpg

http://www.janphilip.dk/ss_mem3.jpg

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Okay, so ill have to make an RMA request? But which possibilities are there to RMA?

Is it possible to get new sticks of ram first, then send the bad, like at WesternDigital?

I'm asking because I cant really use my computer without ram, and I'm not sure how to pack the ram to be shipped. and then I could just re-use the packing, which the new ram came in..

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  • Corsair Employees
Let's get them replaced, please use the On Line RMA Request Form and we will be happy to replace them. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.” Please contact our customer service at 888-222-4346 and dial "0", (510) 657-8747 or email rmaservice@corsairmemory.com to see what options may be available for you!
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