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post #3231 of 9641
I am going to try the following values on the BIOS Cell Menu, if no one objects.

FSB: 228
CPU: x17.5
CPU Voltage: 1.48v (1.4250v is stock)

Is there ANYTHING ELSE I need to worry about to keep it in sync?
    
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post #3232 of 9641
Maybe the CPU PLL (Phase Lock Loop) Voltage. That's some thing that you can try once you aaaalmost got the Frequency Prime 95 stable. Lets say if one core is failing, try it then. Like I said a few posts back, IF you get the Hypertransport sync flood error, either back down the Speed via the Multi or the HT bus (the 228 down to 225 or even 220) or increase the voltage and then rerun prime95 to see if that was enough to get rid of the HTSF error.... Let us know.
Edited by Mastiffman - 12/24/09 at 8:50am
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post #3233 of 9641
guys how to I overclock my video card on this board? sorry for the nab question . Where do I bump up the voltage for the video card? I see 2 PCI-E voltage.

It's weird I can only run my system tested stabilized at 3.8ghz, 200HT, 2800FSB but when I crank up either the CPU or the or the FSB further my system got froze and restarted during Prime95 testing. I tried bumping up 1.425v for CPU and bump to 1.45v for CPU-NB voltage, but not working so well.

I tightened my Obsidian ram from 9-9-9-24 to 7-7-7-20. Maybe that's the problem?! I need to loosen the rams up maybe and test with higher speed? Which one is better gaming performance wise though? higher CPU speed with loose rams or 3.8ghz with tighten rams speed?

Help me with overclocking my video card. What's the max GPU and memory speed this card can get with its air cooling?

thanks
Edited by Waterox - 12/24/09 at 5:13am
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post #3234 of 9641
I really want another one of these boards!
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post #3235 of 9641
Quote:
Originally Posted by NCspecV81 View Post
I really want another one of these boards!
I thought the Gigabyte 790FXT was supposed to be one of the best o/c'ing boards.

Do you have some wild clocks to show us yet, NC?

Marc
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post #3236 of 9641
OK! I've got it into windows, now, next newb question, what is Prime95 and what do I do with it?
    
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post #3237 of 9641
Quote:
Originally Posted by predcon View Post
OK! I've got it into windows, now, next newb question, what is Prime95 and what do I do with it?
Prime95 is a stressing program. We use it to stress test our overclocks to make sure they are stable. If you overclock your system it could boot into Windows without problems, but then might crash/reboot/freeze when running programs/games. This means it isn't stable.

To avoid this we test the system with a stress testing program after setting an overclock. This puts a very heavy load (heavier than you could running games and programs) on the system (CPU, NB and Memory) and tests to see if it is stable enough to run. If it passes the stress test, than we assume it is stable enough to run whatever we want on our system. If it fails, it either needs adjustments (higher volts) or it needs to be reduced to a lower speed.

The general rule of thumb is to run Prime95 Blend for at least 3 hours. This allows the program to stress everything (CPU, Memory Controller "IMC", and RAM) fully and be sure it is not going to fail with normal use if it passed.

Marc
Edited by mduclow - 12/24/09 at 6:44am
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post #3238 of 9641
Here's the CPU-Z validation I've got for my current settings. It runs a cool 33 under idle strain. Tell me what I should do with Prime95 when I download it. Is it better than the tests run by OCCT?

Do I run Blend, Large FFTs, or Small FFTs?

http://valid.canardpc.com/show_oc.php?id=903763
Edited by predcon - 12/24/09 at 6:52am
    
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post #3239 of 9641
Quote:
Originally Posted by mduclow View Post
I thought the Gigabyte 790FXT was supposed to be one of the best o/c'ing boards.

Do you have some wild clocks to show us yet, NC?

Marc
Well the bios is immature and the only other recent, non-release bios I have doesn't allow very cold temperatures and doesn't work with AOD at all.

Nothing too wild though, pretty tame @ 6.3Ghz. Only had 30 minutes to work with it under some cold so didn't get to do anything really other than a quick, crappy cpuz capture and some lame 30k 3dmark06 run.

Some info -

http://www.overclock.net/amd-motherb...ud5-sata6.html
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post #3240 of 9641
Ok, first prime95 Blend test didn't work, so I upped the CPU VDD and CPU Voltage. I saw TRON, I know how important power is to Sark.

[EDIT]
Alright, so I've got it to load the BIOS, got it to Boot up Windows, and I can run prime95 for 30 seconds. At least I'm on the right track now. I'll bet I'm limited by my memory which has a max frequency of 1333MHz
Edited by predcon - 12/24/09 at 7:30am
    
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