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Failing Ram

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  • Gigabyte
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April 10, 2011 1:57:59 AM

Just built the computer
Gigabyte 880GA-UD3H Mobo
Consair XMS3 Ram 1600 mhz

Was having random freezes getting worse all stick fail memtest on the block move portion... and ideas? is it possible I got 8gbs of bad ram? 2gig sticks Thanks I'm pulling my hair out lol

More about : failing ram

April 10, 2011 3:30:21 AM

If you're running memtest, then you must be familiar with Overclocking. If you're overclocking your CPU without altering your ram timings accordingly, you'll burn out your ram almost instantly; because the OC'ing of the cpu will automatically OC the Ram, so if you go above what the ram is rated for BAM busted ram, pc won't post. Though since it's only freezing then you're ram should be fine for now, you just need to halt and revert all overclocking until better educated :p  Though i'm only guessing you're overclocking...i could be wrong lol
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April 10, 2011 4:02:55 AM

No it's not OC'd at all running stock @ 2.8ghz
Here is the thing memtest 4.0 @ approx 30% at Block move it just thows errors all the way up to 1mil+
With Memtest 3.5 ram checks good :/ 
Ram is set at 1.65v
Timing at 9-9-9-24
1600mhz
No idea what's cause the issue... ram is Corsair XMS3 DDR3
Mobo 880GA-UD3H
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April 10, 2011 4:11:10 AM

Teemslo said:
No it's not OC'd at all running stock @ 2.8ghz
Here is the thing memtest 4.0 @ approx 30% at Block move it just thows errors all the way up to 1mil+
With Memtest 3.5 ram checks good :/ 
Ram is set at 1.65v
Timing at 9-9-9-24
1600mhz
No idea what's cause the issue... ram is Corsair XMS3 DDR3
Mobo 880GA-UD3H

Try altering your tRAS from 24 to 26. And then re-run the memtest. (also is your ram set to 2T?)
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April 10, 2011 4:27:22 AM

Just curious, are ANY voltages on your computer altered, and i mean ANY of them? :p  Are they all at stock volts?
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April 10, 2011 12:01:36 PM

I use Memtest86+ 4.20 which is better imo.
http://www.memtest.org/
I test ram one stick at a time first to isolate the faulty module
I do this at mobo defaults then at vendors specs.
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April 10, 2011 6:16:33 PM

ok I'll give 4.20 a shot, 4.0 fails me everytime, any slot with any of my 4 sticks of ram gets to 30% the block test and blows error codes. Getting very frustrating if I say so myself.
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April 10, 2011 6:19:26 PM

Also windows memory tester sometimes fails... and sometimes doesn't after messing around with the settings last night I haven't had any issues this morning with lock ups.
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April 10, 2011 6:49:16 PM

Also this is what I'm seeing on Memtest86+ 4.20
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April 10, 2011 9:31:06 PM

Teemslo said:
Also this is what I'm seeing on Memtest86+ 4.20
http://i298.photobucket.com/albums/mm266/teemslo/100_1248.jpg

It's still not going to help you until you test one stick at a time.
You have to isolate the bad stick.
At the very least find two that work together with no errors.
Then you can rma one kit and still have the use of your pc.
I doubt you have more then one bad module.
I've rma'd to Corsair before and that's what they instructed even though only one of my 4 sticks was bad.
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April 10, 2011 10:03:11 PM

davcon said:
It's still not going to help you until you test one stick at a time.
You have to isolate the bad stick.
At the very least find two that work together with no errors.
Then you can rma one kit and still have the use of your pc.
I doubt you have more then one bad module.
I've rma'd to Corsair before and that's what they instructed even though only one of my 4 sticks was bad.

He's right, but i thought you did that, but apparently maybe not hah It's really important you test each individually to see which one is screwed up. If you single out the stick that's having issues, stop using it, besides....you won't see much (or any, really) difference with only 4gb ddr3, instead of 8gb.
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April 10, 2011 11:35:27 PM

I've tested them one at a time, that error screen is from one stick running the test, all 4 stick give the same error
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April 10, 2011 11:55:33 PM

Then unless you're NOT using stock timings on your ram, then there must be some overclocking on your cpu that you're not aware of to screw things up....i swear you're oc'ing your cpu and maybe you don't know it? An altered FSB (overclock) will automatically oc your ram, which will make stock timings unstable! Which would also explain why all the sticks are not working. Are you 100% sure your cpu is not overclocked, or perhaps your motherboard is automiatically doing this through some option you accidentally enabled (like turbo safe overclock for example, enabled through the motherboard) Throw me an update if you're 100% sure your cpu is not overclocked! :)  thanks!
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April 10, 2011 11:58:02 PM

No I'm not oc'd at all running stock 2.8 ghz show in the screen shot, also checked cpuz just to make sure something I was missing...
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April 11, 2011 12:03:44 AM

Teemslo said:
No I'm not oc'd at all running stock 2.8 ghz show in the screen shot, also checked cpuz just to make sure something I was missing...

Hmm you're right, your bios reported the stock speed. Can you take a screenshot of the CPU-z MEMORY TAb and the SPEED TAB?
That would be very helpful so i can see your FSB:D RAM plus your recommended timings.
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April 11, 2011 12:16:47 AM

Hey, huge question. In your motherboard settings is your DRAM Voltage set to auto? If so might not be giving your ram enough voltage, i think your ram needs 1.8, and according to some review some motherboards set the voltage automatically to 1.5 for your ram which is not nearly enough. (Also it could be overvolting as well, just set it to a manual 1.8 and see if that works!)
edit: i just read that you said your ram is set to 1.65, so first lower it to 1.5 and see if that helps, if not then try 1.8...i have a strong feeling either 1.5 or 1.8 will be the magic voltage to get your ram stable, let me know! :) 
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April 11, 2011 12:19:28 AM

yes it was set to auto, which was 1.5v I tried bumping it up to 1.65 which is what the ram is spec'd at and still got the same 1mil+ errors. Here is the screens you asked to see I hope it helps

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April 11, 2011 12:23:52 AM


---System Information----
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April 11, 2011 12:44:13 AM

That's because I swapped it out with some ddr3 1333 ram I had to see if that was causing the problem... nope still crashing... and still giving me errors, on a side note the screen goes black then a green screen comes up.... and then restarts.
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April 11, 2011 12:45:13 AM

I just noticed something. Your ram is running at 669.8 which is way less than the 800mhz it's supposed to be running at.... SO your ram is underclocked! Which is because of the CPU btw, which gives your ram a 3:10 ratio (3/10 x 669.8=200.88) Since your cpu is at 200fsb it's underclocking your ram to match the cpu, which would be more stable....but maybe your ram doesn't work well when underclocked! So try overclocking your CPU!! :)  Try a FSB of (800x(3\10)= 240. Make sure your voltages are all set to auto. This should bump your ram up to 800mhz (dual channel which is 1600mhz) because your ram's frequency is only 669.8x2 (1339.2). So just OC your cpu. Tell me whether or not the ram likes the overclock.
ALSO, don't go over 800mhz, as that's BAd. ALSO ONCE YOU GET TO 800mhz, ALTER YOUR TIMINGS TO 9-9-9-24 (which it is already at) and also change the tRC to 40 (which is at 33 right now).
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April 11, 2011 12:51:09 AM

In fact It just crashed as we where talking.... 3 times in the last hour
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April 11, 2011 12:53:23 AM

Wait a second...what's your PSU?!
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April 11, 2011 1:04:29 AM

Did you also check if the error occurs with one stick even if you place it in a different slot? It could be that your RAM slots are faulty too.

You should be able to run the RAM at lower than stock speed. The SPD should have a profile for 1333.
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April 11, 2011 1:11:39 AM

Tried that, used different sticks one at time in different slots..
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April 11, 2011 1:17:38 AM

Ok i've read a bunch of threads and apparently it's bad to run your ram over 1333 with AM3 cpu's ....so just leave it like it is. I also checked out some review on your motherboard and apparently some people are screwing up their memory controllers by adding extra voltage to the ram.
Also your ram is set to 1.65 volts which is too high for 1333mhz, set it back to 1.5 which is rated for 1333 for your specific ram.
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April 11, 2011 1:18:07 AM

Hmm... how about a screenshot of the CPU/Memory settings in BIOS?
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April 11, 2011 1:29:12 AM

Bios shots

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April 11, 2011 1:35:21 AM

There should be NOTHING wrong with that setup, especially since it's all on auto, and everything is in order. Only that your ram voltage is too high, set it to 1.5. (to normal) You may have a faulty motherboard....that's my only conclusion out of ANY of this. Last resort..... umm is everything plugged in properly inside your tower? Are all fans plugged in and turning, no overheating of any sort? (download cpuid software to see if temps are too high on anything)
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April 11, 2011 1:43:31 AM

After returning ram voltage to 1.5 try changing your timings, it's my only advice really. Try loosening them, keep them at 9-9-9 as that is correct, but attempt to raise the tRas from 24 to 25, then your tRC to 34 (which is a small loosening of the timings to increase stability) If that doesn't work then try from tRAS of 25 to 26, with tRC from 34 to 35.
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April 11, 2011 1:46:31 AM

Thanks for all your help Corey
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April 11, 2011 1:50:05 AM

No problem, i'm having fun hehe i really want to fix your issue. Update me if any of the timings work out.
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April 11, 2011 2:01:26 AM

haha! You're so right, this poor guy! :(  I think it may be his motherboard (either memory controller/mem slots) ....i sure hope not XO
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April 11, 2011 2:14:16 AM

According to his pics, he's altered neither of those, so it shouldn't make a difference :p  hehe But is cpu is 200fsb x14 (2800) and his hyperthreading is at 2000mhz standard.
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April 11, 2011 2:22:46 AM

And the RAM is rated to run at 1.65v, which makes it all the more weird. Bad mobo? Bad processor? Bad MC?
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April 11, 2011 2:33:18 AM

gracefully said:
And the RAM is rated to run at 1.65v, which makes it all the more weird. Bad mobo? Bad processor? Bad MC?

No. :p  The ram is rated at 1.65 at stock settings, which is what they should be at. But his cpu only allows 1333, which requires only 1.5v. Though, i see what you're getting at, and that an under clock should be fine with the stock voltage.
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April 11, 2011 2:44:57 AM

Quote:
Are those Corsair vengeance sticks? Amd will give you errors if you don't drop the memory bus speed to the lowest setting possible. For 1033mhz it should be 533mhz

Are you asking me? Or the thread poster? Either way, he doesn't have them at 1033, he has them at 1333 which is what is cpu is clocked for, if he goes higher than that he could get worse issues. (Right now his mhz is 666x2=1333) which should run perfectly.
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April 11, 2011 3:13:35 AM

Teemslo said:
I've tested them one at a time, that error screen is from one stick running the test, all 4 stick give the same error



You sure ? The Memtest screenshot says, Memory : 8190 M
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April 11, 2011 3:25:21 AM

General_Terror said:
You sure ? The Memtest screenshot says, Memory : 8190 M


Yea that was just a shot when I had all four sticks in trust me when I say I've tried ever possible configuration
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April 11, 2011 3:26:53 AM

Teemslo said:
This is the ram that is in the machine ATM I swapped it out for some Wintec AmpX just to see if it helped and it didn't
http://www.newegg.com/Product/Product.aspx?Item=N82E168...

Oh really?! Then it's definitely your motheboard, you just ruled that out my switching your ram with the Ampx ones. Luckily your motherboard is the cheapest part of you setup. RMA it if possible, or buy a new one :p  I think we've narrowed it down to a busted memory controller :p 
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April 11, 2011 3:48:35 AM

Quote:
Nevermind OP found your problem. clear you cmos. Remove all the ram.
Just pop in one DIMM to one slot, go straight to bios, set RAM voltage to 1.65v, set frequency to 1600Mhz(or 800Mhz). Also set 1st three timing settings to whatever is on RAM sticker (eg, 7-7-7 or 8-8-8) leave the rest on auto and save BIOS settings. switch off PC. disconnect from the mains, wait half a minute. Then put another RAM stick into another slot(make sure to put it that it is running in dual channel mode). And boot again.

NO haha don't do this, remember what i said about going above 1333 on your CPU. Espeically if you're not overclocking the cpu to match the oc'd ram.
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April 11, 2011 3:55:00 AM

Quote:
what are you smoking
http://forums.amd.com/forum/messageview.cfm?catid=13&th...

amd cpu's are not harmed by excessive memory voltage like intel cpu's.
if your ram can take it go for it.

Hmm i accept your correction whole heartedly. Yes it shouldn't hurt to try. That thread you posted looks promising!
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April 11, 2011 4:25:41 AM

Ok couple of question, still new to this build out process... how do I clear the CMOS?
Also what do you mean when you say disconnect the mains? Thanks
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April 11, 2011 4:47:59 AM

Teemslo said:
Ok couple of question, still new to this build out process... how do I clear the CMOS?
Also what do you mean when you say disconnect the mains? Thanks

You can google how to clear your cmos. It involves taking out and then putting back in the battery from your motherboard to reset default settings of bios. It's pretty simple, though i don't have much experience with this because i have a dual-bios and never need to clear it to revert settings, look up a quick guide on google for it.
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!