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In a bit of a conundrum!

post #1 of 10
Thread Starter 
Hello!

I've recently discovered a really strange issue with my system. I recently got a 1090T to replace my old C2 955 that I had, and always had trouble overclocking much past 3.4ghz. I had the 1090T at 4ghz stable (or so I thought) for a few days, before today when some programs randomly are causing errors (namely Opera, WoW, and Trillian). I decided to retest with OCCT, to which it didn't bluescreen, or blackscreen, or lock up, it just said "errors detected" and stopped the test, with windows working as normal...

I bumped voltages up a bit in attempt to stabilize it to no avail, it would still say "errors detected" at about the same point everytime - halfway through the 4th set.

I decided to reset my CMOS and test it again at stock settings, same result.

I installed LinX to do the same test, and it passed with memory usage set at 1gb, but failed at the same point as OCCT when set to 6gb usage... So memory problem right?

Ran Memtest for a solid 4 hours, absolutely no errors. Ran Super Pi for some ludicrous number of digits, nothing.

So... I went into my BIOS, and noticed something strange that I didn't see before. My NB voltage was reading at 1.28v, which seems REALLY high. On my OC, I had this set to I believe 1.15v, or just before the number started turning yellow indicating higher than normal voltage. The maximum you can set it is 1.3v, and its defaulting to 1.28v?!

Screenshot of the BIOS at stock settings here:


Now, I have absolutely no idea what the proper voltages for the 890GX are, except for stuff like CPU-NB and VDDA. I'm not sure what the just NB voltage actually does, or where it should be, and I don't think it should be causing Linpack to die in 15 minutes every time leaving the OS fine... but it still seems really strange. I'm wondering if maybe my motherboard isn't working properly? After hours of looking into this issue, nothing has seemed to turn up to point me in the right direction.

For reference, the 955 I used to have would just blackscreen and croak on linpack within 5-7 minutes if it was pushed past 3.4ghz, regardless of what voltage it was at, or what RAM I used (the current Mushkin kit I have, a Kingston kit I borrowed from work, and a G.Skill kit that was in before the Mushkin kit).

Would appreciate any input, thanks in advance! And if I put this on the wrong board, I'm sorry, as I am new.
Raptor MK.V
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Raptor MK.V
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post #2 of 10
Have you upgraded your bios? Perhaps you need an update to properly overclock the 1090t
Defiant
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post #3 of 10
To you have some other ram to test?
post #4 of 10
Thread Starter 
Quote:
Originally Posted by BadApathy View Post
Have you upgraded your bios? Perhaps you need an update to properly overclock the 1090t
It's the latest release for the M4A89GTD Pro/USB3. 1701 I believe. That still doesn't explain why it's still dying on Linpack at stock settings

Quote:
To you have some other ram to test?
I don't have another 8gb kit, only a 4gb kit. I'm not sure if it dies when set to 3gb ram usage in LinX, I only know its fine at 768mb, 1gb, and dies at 6gb.


Oh, another issue I had a while ago, sometimes the computer would lock up when I plugged something into USB, but I sourced that down to my front ports acting up and haven't had that problem since unplugging the header from the MB...
Raptor MK.V
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Raptor MK.V
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post #5 of 10
Quote:
Originally Posted by Asera View Post
It's the latest release for the M4A89GTD Pro/USB3. 1701 I believe. That still doesn't explain why it's still dying on Linpack at stock settings



I don't have another 8gb kit, only a 4gb kit. I'm not sure if it dies when set to 3gb ram usage in LinX, I only know its fine at 768mb, 1gb, and dies at 6gb.


Oh, another issue I had a while ago, sometimes the computer would lock up when I plugged something into USB, but I sourced that down to my front ports acting up and haven't had that problem since unplugging the header from the MB...
if it is dieing at a certain ram usage maybe one of the sticks is no good. try moving them or something.
post #6 of 10
Thread Starter 
Quote:
Originally Posted by thrasherht View Post
if it is dieing at a certain ram usage maybe one of the sticks is no good. try moving them or something.
Like, reversing them?

Edit: Switched them around, still stopping at the same point. I also tried 4gb usage on Linpack and no errors...

And what about the 1.28V NB? @_@
Edited by Asera - 2/12/11 at 5:10pm
Raptor MK.V
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Raptor MK.V
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post #7 of 10
that may fix it, but I would be testing each stick separately Memtest86+ if one fails RMA time.
post #8 of 10
Thread Starter 
Quote:
Originally Posted by smash_mouth01 View Post
that may fix it, but I would be testing each stick separately Memtest86+ if one fails RMA time.
When I got the kit 5 days ago, I had memtest86 plus running for 24 hours with no errors...

Today there weren't any errors in 4 hours of testing either...

And what about my voltages!!
Raptor MK.V
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Raptor MK.V
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post #9 of 10
Thread Starter 
So I tested a crapload of RAM last night.

Two 4gb Mushkin sticks, two 2gb G.Skill sticks, and 2 2gb Kingston sticks were involved. I ran LinX on them since that seems to be bringing up memory errors faster than memtest... which doesn't show anything after 24 hours.

Mushkin sticks 1 and 2 in slots 0 and 3 (what I had to start): FAIL
Mushkin sticks 1 and 2 in slots 1 and 4: FAIL
Mushkin stick 1 in slot 1: PASS (but I can't test at 6gb memory usage where the both of them fail...)
Mushkin stick 1 in slot 0, kingston sticks 1 and 2 in slot 1 and 3: PASS
Mushkin stick 2 in slot 0, kingston sticks 1 and 2 in slot 1 and 3: PASS
Mushkin stick 2 in slot 2, kingston sticks 1 and 2 in slot 1 and 3: PASS
Kingston sticks 1 and 2 in slot 0 and 2, G.Skill sticks 1 and 2 in slot 1 and 3: BLUESCREEN (Same issue I had on my 955, it didn't like 4x2gb sticks at all)
Mushkin sticks 1 and 2 in slot 0 and 2, Kingston sticks 1 and 2 in slot 1 and 3: FAIL
Mushkin sticks in slots 0 and 1 (blue and black, the first two slots): FAIL

I'm about ready to set my tower on fire...
Edited by Asera - 2/13/11 at 7:24am
Raptor MK.V
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Raptor MK.V
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OCZ Vertex II 60gb / 2x WDC Black 640GB RAID0 Basic SATA Samsung DVD-RW Windows 7 Professional x64 Samsung SyncMaster 2494 & 2253BW 
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post #10 of 10
Do a quick voltage rail check in the BIOS.
If you see any thing +/- of 5% you should check the PS with a volt meter to confirm.

My point, you may have a weak rail in your PS which could cause your problems.
    
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