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post #1491 of 9641
Quote:
Originally Posted by Mastiffman View Post
Dir-d,

try bumping up your "NB-PCI-E" voltage from 1.10 to 1.15. It's down at the bottom above the SB voltage settings.

See if that helps. If not put it back to auto and try the "NB-PCI-E I/O" votage. Put that at 1.82 or 1.84v. Auto is set to 1.80v so it might take that much to stablize things. That the thing with OCing is that start throwing the harmony of the system off...
I tried it....even 3 times with diff voltages and even bot together still didnt work. Im starting to think its just the chip but since im gonna RMA it i might as well RMA the rest to be sure.

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post #1492 of 9641
[QUOTE=BlackOmega;7530902]Your tRC is too tight. Loosen it up to 31. The way to get the figure to put in to the tRC spot is by adding the TRP & TRAS. So for you it'd be 31. Although you can stray 1 or 2 from that figure.








For you guys trying to hit 3.6, try these settings.

HTT (FSB):225
CPU Mult.:16.0x
HyperTransport Mult.:9x
NB mult: (what ever you guys want to run it at)
Set Ram to 1500:
And depending on your RAM, Timings: 7-7-7-20-27-1T (that's only if your RAM can handle it).

Hi mate - thanks for these.

I have changed my ram timings - thing we both have the same ram.....??

my ram however is running at 667 mhz - 1:3... should I notch that up to 1:4? also I have them on 1.65 volts.. is that enough?

With regards to the 3.6 settings you have - what vots do you have on vdd/cpu and nb on?

Thanks PIJ
Edited by pij - 10/31/09 at 2:08am
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post #1493 of 9641
Thread Starter 
Quote:
Originally Posted by BlackOmega View Post

And kind of an odd one here. I went to validate with CPUz and got this.

I have seen this a few times from different people. I am still not sure what causes this, but try saving the file and manually uploading it.

Quote:
Originally Posted by pij View Post

my ram however is running at 667 mhz - 1:3... should I notch that up to 1:4? also I have them on 1.65 volts.. is that enough?

Thanks PIJ
Yeah once you have the rest stable then set it to 1:4 that will give you 1600 on your ram.
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post #1494 of 9641
Quote:
Originally Posted by pij View Post

Hi mate - thanks for these.

I have changed my ram timings - thing we both have the same ram.....??

my ram however is running at 667 mhz - 1:3... should I notch that up to 1:4? also I have them on 1.65 volts.. is that enough?

With regards to the 3.6 settings you have - what vots do you have on vdd/cpu and nb on?

Thanks PIJ
Regarding the RAM, at the 1333 setting you can run considerably tighter timings like 6-5-5-15-20-1T. Since 1600 is technically considered overclocked, unless your IMC can handle it, you'll have to loosen the timings up to 7-7-7-20-27-1T or possibly even looser like 8-8-8-24-32-1T. What that means is that although the throughput is higher, the actual work being performed will be almost identical. You can verify this using Everest, the memory speed will be pretty much identical.

As for the voltage settings, if the cpu/vdd is the first one, I just ramp it up until my actual CPU voltage is where I want it to be.

I set the actual NB voltage to 1.24 (not cpu to nb). I set CPU to NB @ 1.395, but then again I was running it at 2700MHz.




Now I need some assistance from some of you GD70 guru's. Whenever I get my OC past 3300 or so, I start getting some pretty noticeable artifacts in games like far cry 2. When I install my 2nd GPU, they get slightly better but are still there.
Now it does this regardless of NB (IMC) speed, whether it be at stock 2000MHz or 2700MHz, makes no difference.

Do you guys think that maybe upping one of the PCIe voltage settings could remedy this? Maybe adjusting PCIe frequency?

Or is this a known issue and the BIOSes take care of this?
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post #1495 of 9641
Bought this board. awaiting delivery. Along with Phenom II 955 CPU, 8 gigs corsair ddr3 1600 MHz ram and an XFX 4890 for graphics
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post #1496 of 9641
Hi Guys,

Tried to get 3838ghz with the following -

fsb202
cpu ratio x19
cpu nb x12 (2424)
Cpu vdd volts 1.425
cpu voltage 1.465
cpu nb volts 1.25v

and crashed on prime.

Lowered to x18.5 = 3736 ghz not tested as off to bed shortly but will run prime again tomz ..

any suggestions?...
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post #1497 of 9641
You are doing good...You are about to hit that wall for the 955 so its gonna take alot of fine tuning to get past 3.8 but as i said before very good job so far just watch those temps and up the volts.
post #1498 of 9641
hi all just got this board yesterday, installed it today and thought id have a go at oc'ing my 955be but have had no luck, as soon as i up the fsb i get an error code on the leds (2E) and it just sits there doing nothing, ive had a go at upping the voltages to see if that would get it to boot but no luck, i managed to oc the cpu on my asus m3a78-cm matx to 3.92ghz with a vcore of 1.42 100% stable but could not get it above that because for some reason asus limited the vcore on that board, so i could not up the voltage anymore, so that was the reason why i bought the msi board cause i want to get it past 4.0ghz, if anyone could give us a few pointers that would be great, cheers

specs are as follows

MSI 790FX-GD70
PHENOMII X4 955BE
CORSAIR XMS3 4GB DDR3 (2 x 2GB) 1600MHz PC3-12800
XFX 4870X2 OVERCLOCKED (GPU 800MHZ, MEM 1000MHZ)
ENERMAX GALAXY DXX 850W

CPU AND GPU WATERCOOLED WITH CUSTOM DUAL LOOP.
Edited by ezgonzo - 10/31/09 at 7:11pm
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post #1499 of 9641
Thread Starter 
People say a picture is worth a thousand words so.............

Edited by eclipseaudio4 - 10/31/09 at 9:58pm
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post #1500 of 9641
NICE WORK E!!!!

So what was all of the trouble that you Ran into!!??

Did it all have to do with:

1. Finding the right Driver?
2. Finding the right Speed? (why IDK)
3. Finding the right Combo of Settings within the nVidia Control Panel?

Tell us Pleeeeeeeease! lol

P.S. I took a chance and flashed to 1.77b and all is well so far. No hickups and it seems that I'm able to run lower volts for time being...

I just wish that MSI would address the issue with DCT1's timings showing up as what DCT0's are set to. (I run my OCZ 2x2 kit in the blue zone)

Also, as I was considering this formation myself as well for some time, I tried the running 1 stick in the 1st Dimm (Black) and 1 stick in the 4th Dimm (Blue) for a dual channel configuration and it was a Crap setup. It didn't matter waht I set the advanced Ram timings to.

1. Only DCT0 settings with Both Unganged and Ganged
2. Both DCT0 and DCT1 with Both Unganged and Ganged


I got nothing. I've also tried running dual channel in Dimms 2&3 with the4 same adjustments above...

It was a good suggestion though. It's always worth trying alternate configs in my opinion.

Brain storming amungst ourselves is good!
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