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Memory Voltage questions

D

denkigrve

n00b
Joined
Feb 2, 2007
Messages
19
So as I'm learning more and more about where some of my previous builds went wrong I'm trying to learn more about memory voltages. My question is if my Motherboard runs the DDR slots at 1.8v and my ram is specced for 2.1v without touching the BIOS settings will this cause issues?

From what I understand yes. Yes because the ram is running at PC2 6400 speeds but is only getting 1.8v when it needs 2.1v so it can cause bad things to happen. Is this really the case though?

My most recent build has been having random BSODs and I've tried my best to resolve them. Usually what happens is I start having BSODs. I run memtest and it craps out. I swap ram slots and the errors are gone, and everything is stable again. Then two weeks to a month later it happens all over again. Wash rinse repeat. Last time I bumped my voltage to 2.0v Noob mistake on my part and got some numbers confused. (But does .1v really make that much difference?) This time however I'm trying to set my voltage to 2.1v to see if this resolves the problem. If it doesn't I'm honestly thinking I got a board with bad ram slots, and/or weak ram. If the BSODs come back I'll RMA the ram, and if the BSODs come back after that I'll RMA this motherboard as well.

But I'd like to know if my theory is off base here before I even think about RMAing, or if I'm not understanding how voltage and RAM work together.
 
Try the 2.1v and see if it makes a difference. It's safe and within warranty. If tha tdoes not help, we'll go from there.
 
Wow I did not expect to see a response from Corsair here. Nice. I was gonna contact you guys next if the 2.1v didn't help. I was just hoping for a little clarity on the voltage thing since I'm still not 100% sure I understand how that effects the RAM performance. If I have anymore issues I'll post again.
 
i had the ds3 same problems random BSOD and wouldn't boot into windows on cold boot

then eventually it would never boot into then it wouldn't boot at all
now i got a DFI-965P-S life is good again
DS3=POS
 
Well the problem is back again. As usual after a week or two the BSODs and hard-locks are back. Voltage settings haven't changed anything. The latest BSOD dropped the dump file and says the problem was caused by wdf01000.sys which according to what I've read is a Windows system kernel file.

I'm gonna do the usual fix and see if it helps. I'll edit the post again if it fixes it. Most likely though I'm gonna guess bad ram or bad ram slots on the board at this point. Makes no sense though.

EDIT #1: Memtest is failing at test 4. I'm gonna swap ram slots now and see if it gets errors again.

EDIT #2: As predicted the errors are gone. The memory is swapped like this:
Memory slots: 1 3 2 4

I moved the memory from slot 1 to slot 4, and from slot 2 to slot 3. No more errors in Memtest, computer is running fine again. Last night everything was fine. I left the computer on, and came home from work, booted up WoW and it started locking up. Restarted, still locking up. Memtest and an error. Swapped ram slots and I'm fine again. No more memtest errors. So I'll be running again for another one to two weeks I'm sure... until I have to do this all over again.
 
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