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Need help with overclocking my Q9450. - Motherboard GA-EP45-UD3R

post #1 of 8
Thread Starter 
Most of the stats are in the sig rig trying to get stable 500x8(possibly higher?). http://valid.canardpc.com/show_oc.php?id=1733293
About to goto work will answer any questions I can on my phone.

Edit: Adding a pic(from phone not the best) of intel burn test with core temp on the side. Intel burn test gets random gflops readings as low as 7.xx as high as 43.5gflops

4c79d262-3b1d-3d49.jpg

4c79d262-3c65-af6a.jpg

4c79d262-3c83-f042.jpg

4c79d262-3c99-152d.jpg

Intel burn test sometimes freezes the comp.

4c79d262-3da9-c2fa.jpg
Edited by WvoulfeXX - 3/26/11 at 12:13pm
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post #2 of 8
First of all, LOWER YOUR VCORE BEFORE YOU KILL YOUR CHIP!!!!
To get to the 500s you'll have to tweak the GTLs (MCH and CPU reference). Up till then you can just bump MCH and VCore. When you get up near 500 you need to tweak VTT and the GTL reference volts.

For 4.3GHz @ 506FSB, I'm running:

MCH Core: 1.38 (I have a waterblock on my NB)
ICH I/O: 1.5
ICH Core: 1.2
VTT 1.36 (CPU Termination, set AFTER setting Reference voltages)
MCH Reference: 0.8
CPU Reference 0.785 (Set both Reference volts while VTT is at 1.2)
VCore: 1.368
MCH Clock Skew: 50ps

Set VTT to 1.2, then bump MCH and CPU reference one notch over stock. THEN raise VTT after you set the reference volts. Tuning to get the high FSB/CPU speeds means playing wit these values while your CPU is on a lower multiple, and testing with Prime Blend.

For 4.0GHz I needed less VTT, less VCore and a notch down on the CPU reference.

I'd start with one notch up from default on both the reference volts, and raise VTT to say 1.35. Put your MCH Core on 1.35, and see how high an FSB you can get. Tweak from there, but keep VTT under 1.4 and MCH core under 1.4. For god's sake keep your VCore at/under 1.4 and don't get crazy with the reference volts either.
Edited by 2thAche - 3/26/11 at 2:11pm
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post #3 of 8
Why are your RAM timings so loose?
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post #4 of 8
Lol@RAM timings biggrin.gif
    
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post #5 of 8
regarding the random gflops in intel burn test

you have to run ibt properly
before running, open task manager and see the amount of free ram.

for example i have 2550mb free ram so in IBT i enter a custom amount of 2500. (just below the free amount)
then i change the threads from auto to 4 (quad core)
now every run i make i always get around 40-42 gflops. (consistent)

" I would choose 'free' memory as available memory will also make use of cache memory which must be storing data for other applications aswell. Windows may free up some physical memory from the cached memory during testing but not totally and i think the rest will be the virtual memory as a compensation.

Available = Free + (Cached - Modified)"

running just free memory will help you get higher gflops, as its just using free ram and not cached ram
this should also have 4 or 2 cores running at 100%"

this will give you more consistent gflops score, but will also make your temps higher, as more gflops, the more the cpu is stressed

full details on running IBT properly
http://www.overclock.net/intel-cpus/645392-how-run-linpack-stress-test-linx.html
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by 2thAche;12880447 
Why are your RAM timings so loose?

I was just trying to see what would work haha smile.gif
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post #7 of 8
Quote:
Originally Posted by WvoulfeXX;12883218 
I was just trying to see what would work haha smile.gif

Lol! That is the highest tRCD and tRP I have ever seen applaud.gif
    
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by turrican9;12884056 
Lol! That is the highest tRCD and tRP I have ever seen applaud.gif

*dances* I am just good haha lolz
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