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Windows 7: Bad RAM? Help Interpret Memtest86 (28,416 errors then 0 errors)

14 Sep 2010   #11
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

First thing you should do is get some information on your RAM.
Then we can give you some advice on which way to go.

D/L CPUZ and post a snip of the CPU, Mainboard, Memory, and SPD tabs.

For posting the information , enter 'Snipping tool' in the Start button > Search box, hit enter. Select the area you want to post and save to a convenient place.
How to Post a Screenshot in Seven Forums

Can you fill out your System Specs?
Click the 'My System Specs" at the lower left of any of your posts and Click "update your System Specs", this will let us know what system your running.
We'll be able to give you better suggestions.

If your RAM is on your motherboards QVL list you will be OK, might need to do a little adjusting, running 8GB with 4 RAM cards sometimes requires a little help.


My System SpecsSystem Spec
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14 Sep 2010   #12
Keiichi25

Windows 7 Ultimate x64 and Home Premium x64
 
 

On a side note to others... MemTest is okay to test for faulty ram. At this point this seems less about faulty ram and probably configuration issue. In the past, I have seen memory not have problems, but still have bios config issues when Windows gets involved. I don't know if there is any real serious ram tester that can really strain a system on the level of Windows tasks to help identify BIOS configuration issues.
My System SpecsSystem Spec
14 Sep 2010   #13
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

Quote   Quote: Originally Posted by Keiichi25 View Post
On a side note to others... MemTest is okay to test for faulty ram. At this point this seems less about faulty ram and probably configuration issue. In the past, I have seen memory not have problems, but still have bios config issues when Windows gets involved. I don't know if there is any real serious ram tester that can really strain a system on the level of Windows tasks to help identify BIOS configuration issues.
It's typical for the chipset voltage to be increased a bit depending on how much memory is being run. For my Nvidia board with 4GB memory, it absolutely will not run stable unless I bump up the NB voltage to 1.45, even if I'm not overclocking. If was to install 8GB then it's very likely I would need to bump the NB voltage to 1.50. The T1 and T2 setting can also have an effect on stablity.

So you are correct in that sometimes other adjustments are required to get memory running stable depending on the amount of memory and the board being used.

Also, memory speed needs to work with the correct divider and FSB.

Pc2 8500 is made to run at 1066Mhz where the pc2 6400 is made to run at 800Mhz. But you can easily turn the 8500 down to 800Mhz where it should be just as stable. These adjustments are typicaly required for any type of enthusiast board.
My System SpecsSystem Spec
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14 Sep 2010   #14
josh99ta

Windows 7 Home Premium 64bit
 
 

Great to know guys. I'm glad it's most likely a configuration issue. I'll get right on CPUZ and updating my system info so you guys can be more specific in your help. I'll report back shortly.
My System SpecsSystem Spec
14 Sep 2010   #15
chev65

Windows 7 Ult, Windows 8.1 Pro,
 
 

You might need to go into bios and switch the memory over to the Manual memory settings, with my board it's called the "Expert" memory settings, in order for the other memory settings to show up in bios.

Getting the exact Corsair memory ID numbers would be helpful for looking up the correct specs for your memory. Sometimes the auto settings work ok, other times not.
My System SpecsSystem Spec
14 Sep 2010   #16
josh99ta

Windows 7 Home Premium 64bit
 
 

Reporting back with the details and CPUID results...

Corsair CM2X2048-8500C5D (XMS2-8500 2048mb 1066mhz 5-5-5-15 2.1V ver2.1)

CPUID results attached, system info updated, the more I am researching the more I am confident this is a BIOS configuration issue also, that stuff is just mostly greek to me and I need help from someone walking me through what settings I should change and what I should set them to.


Attached Thumbnails
Bad RAM? Help Interpret Memtest86 (28,416 errors then 0 errors)-cpuidresults.jpg  
My System SpecsSystem Spec
14 Sep 2010   #17
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Go to your BIOS and give us your CPU, DRAM and North Bridge (NB) voltages.

This is important info, as chev65 says, you may need a bump.
My System SpecsSystem Spec
14 Sep 2010   #18
josh99ta

Windows 7 Home Premium 64bit
 
 

Roger that. Here is a screenshot from my BIOS screen where I believe the voltages in question are...


Attached Thumbnails
Bad RAM? Help Interpret Memtest86 (28,416 errors then 0 errors)-biosscreen.jpg  
My System SpecsSystem Spec
14 Sep 2010   #19
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Need to find the NB voltage.
My System SpecsSystem Spec
14 Sep 2010   #20
josh99ta

Windows 7 Home Premium 64bit
 
 

Hey Dave, on the Gigabyte boards the MCH Core voltage is the Northbridge voltage, that just call it MCH Core for some unknown reason. Is 1.10 correct or should it be higher (1.2-1.4 range)?
My System SpecsSystem Spec
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 Bad RAM? Help Interpret Memtest86 (28,416 errors then 0 errors)




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