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Help with OC i7 950 to 4GHZ - Page 2

post #11 of 42
Quote:
Originally Posted by Suprcynic View Post
What are your 4.2 settings and voltage at 4.0 if you know it. Just curious how it compares to mine at 4.0.

I've never tried for 4.4 but may try it if they are similar.
I should change that I have it at 4Ghz now. But my voltage at 4.2 was 1.3 and stable. I can get the exacts if you really want them. But pretty much the normal stuff.
post #12 of 42
I'm using 19 x 211 myself, at 1.24625 volts, Ram at 1603, Dram Voltage 1.53 (ripjaws are designed to do their advertised speed at 1.5) Timings 9-9-9-24, no issues yet.
    
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post #13 of 42
Quote:
Originally Posted by roflolol View Post
I'm using 19 x 211 myself, at 1.24625 volts, Ram at 1603, Dram Voltage 1.53 (ripjaws are designed to do their advertised speed at 1.5) Timings 9-9-9-24, no issues yet.
Why are you using 19 when 23 is going to be much easier....
post #14 of 42
Quote:
Originally Posted by Live_free View Post
Why are you using 19 when 23 is going to be much easier....
Mine runs better at lower multi's as well. I was wondering why but can't figure it out.
    
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post #15 of 42
Mine runs very well with the 23 multi, got to 4.0 with the HT enabled @ 1.25v, but decided to go to 4.2 with the HT off @ the same voltage.

To the OP, you should try to up the v core a little more to see if its stable.
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post #16 of 42
Quote:
Originally Posted by Ivan TSI View Post
Mine runs very well with the 23 multi, got to 4.0 with the HT enabled @ 1.25v, but decided to go to 4.2 with the HT off @ the same voltage.

To the OP, you should try to up the v core a little more to see if its stable.
oohhh, Im going to try this lower voltage and run ibt.
post #17 of 42
Thread Starter 
i bumped the vcore to 1.35 with 200x21, disable HT, DRAM timing control to auto.

Running Prime95 now, ok so far.

BTW: i just noticed that my threads is now 4 instead of 8. is this normal?
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post #18 of 42
yes, once you turn off ht
post #19 of 42
Your QPI/DRAM voltage seems to be very high. Try 1.3
Try this also - CPU Differential Amplitude.............[800mV]
- CPU Clock Skew.........................[Delay 300ps]
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post #20 of 42
Thread Starter 
Just want to give an update:
Running Prime95(blend) for 5 hours now, all appeared to be stable.

Setting: 1.35v CPU-Z showing 1.336v and Probe II showing 1.34
HT off

Also I changed the multiplier to 185x23. I was getting Vcore warning from Probe II with x21 setting.

Max Temp: 76' C

I'll do some more testing tomorrow if all goes well.

Thanks to everyone who reply to my post.
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My System
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CPUMotherboardGraphicsRAM
i7 950 P6X58D-E ASUS ENGTX460 SLI Corsair TR3X6G1600C8D Dominator 6 GB 
Hard DriveOptical DriveOSPower
2x Samsung 1 TB Spinpoint LG Black 10X Blu-ray Burner Win7 Ultimate x64 SILVERSTONE OP1000-E 1000W 
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LEXA S Crafted Series 
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