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Windows 7: Frequent BSOD

17 Apr 2011   #21
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Can you fill in 'MY System Specs', just click on this in the lower left corner of any of your posts.
It will help anyone trying to see what your components are.

The CPUZ info posted says your RAM cards are 4GB. You said DIMM3 had errors, am I correct in assuming you have 4 each 4GB RAM cards, for a total of 16GB RAM?
Or, do you have 1 each 4GB RAM card for a total of 4GB RAM?


The 'CPU-NB VDD' should be two rows above the 'CPU NB Voltage'.
The voltages you have posted are the important ones.

Also, post the number of errors that occurred in the memtest86+ run, was it 1 or 1,000?


My System SpecsSystem Spec
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17 Apr 2011   #22
Mytolist

Windows 7 Home Premium 64bit
 
 

I'll fill them out right away, no i have 1 stick but i put it in the DIMM3 slot on the motherboard because i felt the dimm1 was to close to the heatsink
My System SpecsSystem Spec
17 Apr 2011   #23
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Having only one RAM card will cause it to run in single channel mode, which means about half of the speed.

I'm going to check your manual and see if there are restrictions on the RAM slots to use with only one card, this may be contributing to the BSoDs.

From your motherboard manual,

Quote:
Dual-Channel mode Population Rule
In Dual-Channel mode, the memory modules can transmit and receve data with two
data bus lines simultaneously. Enablng Dual-Channel mode can enhance the system
performance. The following illustrations explain the population rules for Dual-Channel
mode...

To enable successful system boot-up, always insert the memory modules into the
DIMM1 first.


From what I can tell DIMM1 is the closest to the CPU.
This is where you need to install the RAM card.


My System SpecsSystem Spec
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17 Apr 2011   #24
Mytolist

Windows 7 Home Premium 64bit
 
 

Yes i read that too and ran it during initial installations and such in the DIMM1 slot. then swapped it with DIMM3 afterwards. should i change it back?

there were 2 errors in memtest x86
My System SpecsSystem Spec
17 Apr 2011   #25
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Yes, change it back to DIMM1.

When you have 4GB RAM cards, 4GB of RAM or 4 RAM cards installed you will usually need to increase the integrated memory controller voltage.

Since you have two of the criteria, you need to increase the 'CPU-NB Voltage' from the current 1.125v to 1.200v.
Your BIOS should have an offset of +0.100v as an option, select this and then run memtest86+ again, with the RAM card in DIMM1.
If you get any errors you can stop the test.

Any errors in a memory test are too many, just wanted to know the error volume.
The above voltage adjustment and moving to DIMM1 should get the RAM working better.

Let us know the results, and how long you ran the test.
A minimum of 7 passes is best, you can let it run overnight.
My System SpecsSystem Spec
17 Apr 2011   #26
Mytolist

Windows 7 Home Premium 64bit
 
 

I'll do that, hopefully its just voltages that are wrong
My System SpecsSystem Spec
17 Apr 2011   #27
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

This will help your RAM, I hope that it will stop the BSoDs.
Have seen this work many times.

You're not getting the full speed potential from your single 4GB RAM card, you should consider getting another matching RAM card or 2x2GB cards to replace the single card. See if you can return the 4GB RAM card for an exchange.
On a dual channel, four RAM slot, motherboard you should run either two or four RAM cards for the best performance.
My System SpecsSystem Spec
17 Apr 2011   #28
Mytolist

Windows 7 Home Premium 64bit
 
 

My thought behind just buying one stick was to buy one right after the next paycheck. got another BSOD though

i'll be getting another stick this week, hopefully its just that and nothing else
My System SpecsSystem Spec
18 Apr 2011   #29
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Did you change the 'CPU-NB Voltage' from the current 1.125v to 1.200v as suggested above?

The additional RAM card will help with performance.
For now, let's try to get this RAM stable.
My System SpecsSystem Spec
18 Apr 2011   #30
Mytolist

Windows 7 Home Premium 64bit
 
 

New Memtest results are in. it reports no errors after 10 passes. yes i increased the voltage on CPU NB. It could be my graphics card thats busted
My System SpecsSystem Spec
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