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Windows 7: Can't figure out this BSOD, keeps happening

12 Aug 2011   #21
BobbyMartin

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Dave76 View Post
Go to your BIOS and tell us what the CPU, RAM and the CPU integrated memory controller (QPI/Vtt for your motherboard) voltages are set at, if in auto post the voltage number displayed, if not displayed then select 'Manual' and you should see it.

This information is important, will need this in order to adjust the settings.

The RAM is being set to the board default of 1066MHz.


What is your RAM settings for XPM and SPD?
It will be under MB Intelligent Tweaker(M.I.T.), on the first page.

Look for these:
Quote:
Extreme Memory Profile (X.M.P.) - Enabled or Disabled?
System Memory Multiplier (SPD) - Auto?
Memory Frequency (Mhz) 1066 <-- Is this the number listed?
Just set XMP to Profile 1 which is 1600 on this board.
RAM is 1600 at 1.65V now, Multiplier is auto.

I couldn't find an option for Command Rate. Sorry for the delay, I went out to mow the front lawn.


My System SpecsSystem Spec
.
12 Aug 2011   #22
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

First thing to do when changing the RAM settings is to run memtest86+, run 7 full tests (test #1 through #7), best to run overnight as it will take a while.
If you get any errors you can stop the test.
Let us know the results.

What is the QPI/Vtt voltage set at?

If it is still at 'Qpi/vtt 1.175' bump it to 1.220v.

The 'Command Rate' is on page 45 & 46 of your motherboard manual.
MB Intelligent Tweaker(M.I.T.)
>Advanced DRAM Features
>Channel A/B/C Timing Settings
>Command Rate(CMD)
My System SpecsSystem Spec
05 Sep 2011   #23
BobbyMartin

Windows 7 Professional x64
 
 

Seems to only happen when I have all 6 sticks in for the full 24 gigs. For the moment I have removed three of them.
My System SpecsSystem Spec
.

06 Sep 2011   #24
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Welcome back.

That is due to the voltage settings, the more RAM cards, more memory chips, they will need more voltage to run.
The fact that is runs stable with 3x4GB RAM cards confirms it's a voltage and settings issue.

If you run 3x2GB RAM and the Qpi/vtt (integrated memory controller) voltage is 1.10v, which is the default setting they are for 4-6 GB, then you change that to 6x4GB, all the RAM cards are going to get less than 1.10v.
They won't like that, and will let you know.

Go back a few posts for how to find it and change the 'Command Rate' to 2T.

Did you bump the QPI/Vtt voltage from 1.175, 1.220v?

If you want to try and get the RAM stable at 1600Mhz you're going to have to bump the DRAM voltage and the QPI/Vtt voltage.

Bump the DRAM voltage to 1.70v and the QPI/Vtt voltage to 1.220v, check with all six RAM cards if it boots up, then run memtest86+ for a full 7 passes.
Best to run overnight, if you get any errors you can stop the test.
My System SpecsSystem Spec
06 Sep 2011   #25
BobbyMartin

Windows 7 Professional x64
 
 

Quote:
Welcome back.

That is due to the voltage settings, the more RAM cards, more memory chips, they will need more voltage to run.
The fact that is runs stable with 3x4GB RAM cards confirms it's a voltage and settings issue.

If you run 3x2GB RAM and the Qpi/vtt (integrated memory controller) voltage is 1.10v, which is the default setting they are for 4-6 GB, then you change that to 6x4GB, all the RAM cards are going to get less than 1.10v.
They won't like that, and will let you know.
I was running 1.65v. That's what is printed on the RAM. I don't think I bumped this up. I can't remember at the moment.

Quote:
Go back a few posts for how to find it and change the 'Command Rate' to 2T.

Did you bump the QPI/Vtt voltage from 1.175, 1.220v?
I did these two things.

Quote:
If you want to try and get the RAM stable at 1600Mhz you're going to have to bump the DRAM voltage and the QPI/Vtt voltage.

Bump the DRAM voltage to 1.70v and the QPI/Vtt voltage to 1.220v, check with all six RAM cards if it boots up, then run memtest86+ for a full 7 passes.
Best to run overnight, if you get any errors you can stop the test.
I'll try setting the DRAM voltage a bit higher and check back in with the results. Thanks for the help.
My System SpecsSystem Spec
06 Sep 2011   #26
BobbyMartin

Windows 7 Professional x64
 
 

Went ahead and bumped up DRAM Voltage to 1.70. I don't see that change reflected in CPUz, though.
My System SpecsSystem Spec
07 Sep 2011   #27
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Quote   Quote: Originally Posted by BobbyMartin View Post
Went ahead and bumped up DRAM Voltage to 1.70. I don't see that change reflected in CPUz, though.
If your looking at the CPUZ SPD tab it won't show there, the SPD Tab voltage is the manufacturer tested voltage and is a recommended setting, and since they don't test every board these need adjusting sometimes.

You have to look in your BIOS for the RAM voltages, the only real time voltage displayed in CPUZ is the CPU voltage.

Did you run memtest86+ with all 6 RAM cards installed?
My System SpecsSystem Spec
07 Sep 2011   #28
BobbyMartin

Windows 7 Professional x64
 
 

Not yet but I may not have to. Yesterday afternoon my computer randomly restarted. No error message, no crash, no blue screen. If I remember to run it tonight, I will. Brain is cluttered with flight school.
My System SpecsSystem Spec
08 Sep 2011   #29
Dave76

Microsoft Community Contributor Award Recipient

Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
 
 

Did you have 3 RAM cards installed or all 6?

What PSU do you have?
Brand and wattage rating.

Make sure your minidump setting are correct, as in post #2.
Quote:
Then, follow the directions here to set your system for Minidumps (much smaller than the MEMORY.DMP file): Set MiniDump
A random restart is caused by a BSoD or a component fault, the PSU is the first thing to check.
My System SpecsSystem Spec
08 Sep 2011   #30
BobbyMartin

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by Dave76 View Post
Did you have 3 RAM cards installed or all 6?

What PSU do you have?
Brand and wattage rating.

Make sure your minidump setting are correct, as in post #2.
Quote:
Then, follow the directions here to set your system for Minidumps (much smaller than the MEMORY.DMP file): Set MiniDump
A random restart is caused by a BSoD or a component fault, the PSU is the first thing to check.
All 6. PSU is
APEVIA ATX-AS600W-GN 600W ATX12V / EPS12V SLI Ready Power Supply from NewEgg a few years ago. Minidump is set.
My System SpecsSystem Spec
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 Can't figure out this BSOD, keeps happening




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