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Windows 7: Random BSOD. Reports attached

19 Jan 2011   #21
CarlTR6

Windows 7 Ultimate 32 bit
 
 

That would be great if the fix is that simple!


My System SpecsSystem Spec
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20 Jan 2011   #22
Akira181

Windows 7 Professional x64
 
 

changed the motherboard setting from unganged to ganged for the dual channel ram. 5 passes completed when I woke up this morning and 11 errors.

No idea why there are no errors when I run one stick at a time and errors when both are installed.

I didn't complete the full 7 passes for each test I done, but each stick completed 7 passes without error in at least 1 slot. I'll try running memtest again on each stick in each slot once again to see if the results are different this time around.

Any idea where this problem is coming from??
My System SpecsSystem Spec
20 Jan 2011   #23
CarlTR6

Windows 7 Ultimate 32 bit
 
 

I suspect that voltages and or timings need to be tweaked. I have requested a RAM guru to look at this thread and offer suggestions.
My System SpecsSystem Spec
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20 Jan 2011   #24
Akira181

Windows 7 Professional x64
 
 

thanks, in the meantime, I'll look into updating the BIOS as well.
My System SpecsSystem Spec
20 Jan 2011   #25
CarlTR6

Windows 7 Ultimate 32 bit
 
 

I am always hesitant to recommend flashing the BIOS because there is a slight risk involved. My rule of thumb is if a BIOS update addresses a problem you are having or is recommended by the manufacturer, flash it. Otherwise, if it isn't broke - don't fix it.
My System SpecsSystem Spec
20 Jan 2011   #26
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Hi Akira181, sorry to hear your having RAM problems.

From reading through the thread, you had errors with stick 1 slot 2.
Quote:
Stick 1 - Slot 2 - dram increased from 1.5V to 1.64V. Memory clock increased to 1600. Timings increased to 9-9-9-24 - 3 errors before 1 pass was complete
One error is too many.

Did you run memtest86+ with stick 2 - slot 2?
This will confirm if slot 2 has a problem.

Keep the RAM in Unganged mode.

If you can post the information requested by Carl we can get more information on your system.
Quote   Quote: Originally Posted by CarlTR6 View Post
I need to ask the hardware Gurus to take a look at your results. I am far from an expert on RAM, voltages and timings. They are going to want some information. Please post your CPUZ, Mainboard, Memory, and SPD tabs. This will give everyone the basic info, Mainboard for the motherboard though the revision is usually not listed, Memory tab can indicate wrong OC attempts or wrong settings, confirmed by the SPD tab which is the JEDEC settings for the RAM. JEDEC is the industry standard that the RAM manufactures use to get stable settings for default.

We will also need the voltage settings for the CPU, RAM and NB or equivalent.
NB or memory controller is important. CPU voltage is listed on the CPU tab, RAM voltage is listed but it's not the actual voltage; it's the recommended voltage.
The above mentioned CPUZ tabs and voltage readings obtained from BIOS are important, include these in your next post.

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


This will make it easier for all to see, instead of d/l and having to refer to the file for information.

Hopefully this can be fixed with setting and voltage adjustments.


Agree with Carl, I wouldn't update your BIOS unless absolutely needed.
Check your BIOS version, go to the mobo site and check for newer versions and note the log changes, this is what the new BIOS is supose to fix. If relevant to your issues then maybe, I wouldn't do it yet though.
My System SpecsSystem Spec
20 Jan 2011   #27
CarlTR6

Windows 7 Ultimate 32 bit
 
 

Thank you, Dave. Much appreciated.

@Akira - You are in good hands; Dave know this stuff. I am leaning from him.
My System SpecsSystem Spec
21 Jan 2011   #28
Akira181

Windows 7 Professional x64
 
 

Thanks for the help guys, much appreciated! I'll summarise the testing I have done so far, each stick has completed 7 passes with no errors in one slot at least once and slots one and two have completed 7 passes with no errors with at least one stick.

Stick 1 - Slot 1 - all settings on AUTO (1333 and 9-9-9-24) - 7, passes No Errors
Stick 1 - Slot 2 - all settings on AUTO (1333 and 9-9-9-24) - 4 passes, No Errors
Stick 1 - Slot 2 - dram increased from 1.5V to 1.64V. Memory clock increased to 1600. Timings left on AUTO (11-11-11-29) - 5 passes, No Errors
Stick 1 - Slot 2 - dram increased from 1.5V to 1.64V. Memory clock increased to 1600. Timings increased to 9-9-9-24 - 3 errors before 1 pass was complete

Stick 2 - Slot 1 - all settings on AUTO (1333 and 9-9-9-24) - 8 passes No Errors
Stick 2 - Slot 1 - dram increased from 1.5V to 1.64V. Memory clock increased to 1600. Timings left on AUTO (11-11-11-29) - 6 passes, No Errors

Now here's the confusing part

Stick 1/2 - Slot 1/2 - all settings on AUTO and unganged - pass 5, 11 errors
Stick 1/2 - Slot 1/2 - all settings on AUTO and ganged - pass 3, 3 errors
Stick 1/2 - Slot 1/3 - all settings on AUTO and unganged - pass 9, no errors

The sticks by themselves return no errors when on AUTO, change the timings and then errors. When both sticks are put into slots 1 and 2, errors no matter what the settings. Slots 1 and 3, no problems on AUTO.

I've attached a picture from the manual for the RAM. From what I understand, it says slots 1&3 and 2&4 are divided into two memory channels with their own memory sockets. But the configuration table says slots 1&2. Not really understanding what I'm reading as the two seem to contradict each other!

On the motherboard, slots 1&2 are blue, 3&4 white.



Been running with MemTest so much, haven't had the time to get the CPUZ data. I will post them when I get the chance.
My System SpecsSystem Spec
21 Jan 2011   #29
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

I have your motherboard manual downloaded, if you post the information requested I can help you with the settings.

AMD CPU integrated memory controllers don't like 1600 Mhz RAM frequency, you will need to back it off to 1333 MHz.
Run it in unganged mode if you want it to be stable.

If you put the RAM cards in slots 1&2 you get dual channel, slots 1&3 you get single channel.

You want to have dual channel for better performance.

Post the CPUZ tab info so we can see what your system is set at, the voltage information will tell me what we might be able to adjust.
My System SpecsSystem Spec
21 Jan 2011   #30
Akira181

Windows 7 Professional x64
 
 

But I thought if it was unganged, it is effectively single channel as well. With the sticks in slots 1&2, 1333Mhz, unganged, I still got errors.

Attached the screensshots. RAM in slots 1&3 at the moment
My System SpecsSystem Spec
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