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memtest errors with CM3X2G1600C9DHX 8gb kit


mrzonules

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I have 4 CM3X2G1600C9DHX that I had in my ASUS P5E3, but that box has been upgraded to 16GB, and this ram is now on my Intel DX48BT2 (with an E8200 CPU). I'm not expecting 1600 out of it (as FSB of the Intel is 1333), but I'm not able to get 1333MHZ with any amount of stability. It looks like I am getting memtest errors with numerous settings. I've tried:

 

9-9-9-27-2T

9-9-9-25-2T

8-8-8-24-2T

All with the above with 1.72 to 1.82 volts.

 

I've also tried setting with increased MCH by +.1v and +.15v

 

I've researched here and other places (the DX48BT2 board has a mention of this ram) to see what timings are good, and it looks like I should be able to run 8-8-8-24 @ 1333MHz without too many problems.

 

What's your suggestion RamGuy? I don't want to fiddle around with this anymore if the memtest errors mean that I need an RMA.

 

Also, I have taken some snapshots of the bios and memtest to show other timings and specific memtest errors. memtest will crash (hang) at a certain point after showing errors (attached).

 

Please advise,

Nathan

8-8-8-24-settings.thumb.jpg.395093af5e0a0826a32d50d89349fd86.jpg

8-8-8-24-memtest.thumb.jpg.626cd128a5591fc6deff7519219bd1ed.jpg

9-9-9-27-settings.thumb.jpg.073136843c1ab11110e6b2c41c2ac466.jpg

9-9-9-27-memtest.thumb.jpg.e0c498f6709dd2ac43b6bb461819ccc9.jpg

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UPDATE: I'm working on testing a pair of these (2x2gb) at a time at 1333 8-8-8-24-1T @ 1.7V and stock MCH voltage, as there are indications I may not be able to run all 8gb in the system at the same time, and there may be just one bad stick anyway.

 

Should I test individually, too?

 

--

Nathan

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Should I test individually, too?

Anytime you suspect you have faulty memory the fastest way to narrow it down is to test each individually in the same slot. That way if you do have a faulty stick it will take the guess work out of it.

 

Also memtest errors dont always mean an RMA . Faulty or incorrect settings can make an otherwise good stick seem bad. If all sticks error i would look at something else being the culprit. But if it is just one stick out of them all then i would request an RMA.

 

If the memory is listed as compatible with your board then the timings on the label should be fine.

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if im reading it right you have 2 separate kits of the same part#.

this is not suggested or supported for reasons such as this.

also always try 2t, the ram is not rated for 1t IIRC.

try just 1 kit at a time, enable XMP and see what happens.

when mixing kits MCH voltage needs to go up more to even think about getting them to work together if at all.

read the docs in my sig and just reset the bios, enable XMP and only use 1 kit to test.

also 1.82 volts is insane!!!! and voids the warranty i believe.

 

[edit] that ram may be at 1.8, i was thinking 1.65 like other dominators. what does the label say?

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I got the 2T timings already (I think the MB picks up the right setting on auto, too), which is fine, and I tested the 2 individually and things look OK (tested at 1T for just one pair). I think I missed testing all 4 at 1333 with 8-8-8-24 @ 1.7 V with a stock MCH and other timings.

 

I'm running that test now (with -2t tRFC:60 tRRD:4 tWR:8 tWTR:4 tRTP4), and it looks good so far (but I probably just jinxed myself). I suppose I could have mixed up the pairs (which I always try not to do), and it's straightened out now. These sticks are not labeled with individual SN?

 

Also, memtest says Settings are 1333 8-8-8-24, but when it lists the sticks underneath it is showing PC3-8500 (ddr3-1067 ?). Is this normal or bad or ???

 

--

Nathan

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yes currently you are at 1066, now enable jedec 3 or 4 profile and speed 'er up a bit :)

also your ram is rated at 1.5 according to the SPD 1.8 will kill it dead, dont do that again!!

also post the mem tab to see what timings and speed you are at :)

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