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Is this a result of bad ram?


JJ3

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I have a Dell 8400 with 3.0Ghz and FSB 800. I bought the VS1GBKIT533D2 set.

 

First I tried it in dual channel operating in slots 1 + 2. I only got errors on Test #5. The errors seemed to happen on random passes.

 

Then I tried using a single stick in slot 1. Using Test #5, there were no errors.

There continues to be no errors with the following conbinations as well:

 

1st stick in slot 2 in single channel.

2nd stick in slot 1, and then 2 in single channel.

 

But when I try them again in dual channel, Test #5 shows intermittent errors. I tried using slots 3 + 4 for dual the next time and it showed up with errors too. Is this ram not stable enough for dual channel or something?

 

[edit]

 

I retried testing the one stick of ram in single channel. The ram did show errors during the passes in the 50s and some in the 70s and 100s. The first time around I stopped it at pass #30. So it appears that I might have bad ram. Please help me confirm. Thanks.

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  • Corsair Employee
Let's try replacing your modules, but in the mean time I would check with DELL for the latest bios for your system. Please follow the link in my signature “I think I have a bad part!” and we will be happy to replace them or it!
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I continued testing the single ram overnight. After about 9.5 hours, I had 850 passes on Test #5, and 26 errors. Is that an acceptable amount or are errors not acceptable at all? I do believe I have the lastest bios since I bought the computer after the newest release.

 

 

I will test the other stick now and if that shows up with errors I will go ahead and set up an RMA.

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I'm still in the process of testing. It seems now that it may have only been one of the modules. As of now Stick #2 is on pass #200 without any errors.

 

I'm going to then retest both on a different slot to confirm the that it is in fact only one of the sticks. After that I will follow the bad ram procedure. Thanks for the responses thus far.

 

Oh, and I was wondering how many passes should I complete a test before I can consider it stable?

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I'm still in the process of testing. It seems now that it may have only been one of the modules. As of now Stick #2 is on pass #200 without any errors.

 

I'm going to then retest both on a different slot to confirm the that it is in fact only one of the sticks. After that I will follow the bad ram procedure. Thanks for the responses thus far.

 

Oh, and I was wondering how many passes should I complete a test before I can consider it stable?

 

Just out of curiosity, could you run sisoft Sandra memory bandwidth benchmark on your Corsair memory in dual channel and post your results?

I have the same computer with the dell ram and it gave ~3600mb/s for both bandwidth benchmarks( I expected around 4600). Seems very low to me. Would like to see if this Sandra is giving a bogus number, or if this ram is inferior.

Also curious as to what the timing is at since it is running at 400 and not the rated spec of 533. Thanks for your help.

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Hey, I got around 4222 and 4207. As for the timing question, I'm not exactly sure what you're asking but the ram is rated at 4-4-4-12.

 

At PC Pitstop I get this:

Speed Rating 7708 MB/s (109% of 15090 similar)

 

 

 

RAM GUY, I hope it's okay that I'm responding to this off-topic response. Btw, I RMA'd the ram with Newegg and got a new set. So far no errors. :)

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Hey, I got around 4222 and 4207. As for the timing question, I'm not exactly sure what you're asking but the ram is rated at 4-4-4-12.

 

At PC Pitstop I get this:

Speed Rating 7708 MB/s (109% of 15090 similar)

 

 

 

RAM GUY, I hope it's okay that I'm responding to this off-topic response. Btw, I RMA'd the ram with Newegg and got a new set. So far no errors. :)

 

Thank you. Thank you. Thank you.

That is the exact information I was looking for. I believe the dell ram at 400mhz is worse. I am going to upgrade for sure now. Sorry for the off topic post and glad to hear your new ram is up to par. Thanks again.

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