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[Official] - X58 Xeon Club - - Page 423

Poll Results: How many years have you owned your X58 - Tylersburg platofrm?

 
  • 8% (32)
    More than 1 year
  • 5% (20)
    More than 2 years
  • 10% (37)
    More than 3 years
  • 13% (49)
    More than 4 years
  • 29% (104)
    More than 5 years
  • 32% (115)
    More than 6 years
357 Total Votes  
post #4221 of 9637
I finally got my X5675 in today. Seem's This ASRock X58 Extreme 3 Does not like to overclock much past 4.2ghz. I can run 4.2ghz all day long but anything higher than that I have issues.

200x20 is perfect at 1.25 Vcore- If I push to 204 Bclk the board refuses to post no matter what the voltage to the CPU is.
185x23 is perfect at 1.300 Vcore-If I push to 191 Bclk the board refuses to post no matter what the CPU voltage is(tried 1.4 and even auto)

I can get into windows at 185x23 and use software to get too 191x23 for 4.4ghz without issues but setting this in BIOS causes a No post with a Post Code d0 for CPU configuration.

I was able to get it to do this but it will not post from a restart.
Edited by sultanofswing - 3/28/15 at 10:45pm
post #4222 of 9637
What is your Uncore set to? On my X5650, if I go above 3000Mhz on the Uncore I need to increase the uncore/vtt voltage to 1.25V, and at 3200Mhz 1.30V.

You might also be reaching your bclk limit, have you tried increasing the NB voltage? I needed 1.2V to go above 214 on both motherboards I tried.
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post #4223 of 9637
Quote:
Originally Posted by xxpenguinxx View Post

What is your Uncore set to? On my X5650, if I go above 3000Mhz on the Uncore I need to increase the uncore/vtt voltage to 1.25V, and at 3200Mhz 1.30V.

You might also be reaching your bclk limit, have you tried increasing the NB voltage? I needed 1.2V to go above 214 on both motherboards I tried.

My voltages as listed currently

Vcore-1.34375(1.336 in Winblows)
IOH CSI Voltage-1.16
VTT offset-1.410
IOH Voltage 1.110
CPU PLL-1.90

Right now my ram is at 1880mhz and the uncore speed is double that at 3760

I've tried dropping the ram down to a slower speed with a slower Uncore without luck.
post #4224 of 9637
Your VTT is far too high. Do not exceed 1.35V unless you're trying to kill your processor.

Can you use the 25x multiplier? If so, start at 25x170 and increase BCLK in increments of two. You should be able to achieve a similar overclock with less voltage using a higher multi and lower base clock.

You can try dropping the uncore ratio slightly. Uncore-to-RAM doesn't need to be 2:1. Depending on how much you decrease the ratio, you might have to loosen round trip latency. I really only recommend doing this if your uncore is approaching 4000MHz.
post #4225 of 9637
Quote:
Originally Posted by chessmyantidrug View Post

Your VTT is far too high. Do not exceed 1.35V unless you're trying to kill your processor.

Can you use the 25x multiplier? If so, start at 25x170 and increase BCLK in increments of two. You should be able to achieve a similar overclock with less voltage using a higher multi and lower base clock.

You can try dropping the uncore ratio slightly. Uncore-to-RAM doesn't need to be 2:1. Depending on how much you decrease the ratio, you might have to loosen round trip latency. I really only recommend doing this if your uncore is approaching 4000MHz.

I lowered the VTT down to 1.35, I am playing with it more today. Trying your suggestion on 170x25.

OK, so lowering the VTT voltage to 1.35 causes Intel Burn test to fail around pass 4, When I go back to 1.410 IBT will pass 10 passes.
Edited by sultanofswing - 3/29/15 at 11:33am
post #4226 of 9637
Having VTT over 1.35V will kill your processor so I guess as long as you're stable stay with it?
post #4227 of 9637
Quote:
Originally Posted by chessmyantidrug View Post

Having VTT over 1.35V will kill your processor so I guess as long as you're stable stay with it?

Yea, I don't like it. I put all settings back to stock values, Going to do some more testing today later and try for a more mild overclock with less voltage.
post #4228 of 9637
Did you find your maximum BCLK and can your RAM handle the speed and timings you have set? Because those two things require VTT more than CPU overclock; that will depend more on core voltage. Another reason you want to use the highest multiplier possible is to keep VTT down.

For example, I can run 20x215 for 4.3GHz fairly easily, but I have to max out VTT at 1.35V as well as requiring more core voltage than my current 24x180. My VTT is also set to 1.325V even though I'm running my RAM at 1800MHz compared to 1720MHz with the 215 BCLK. Granted my timings are slightly looser at 1800MHz, but voltages are lower all around.
post #4229 of 9637
What timings are your sticks rated for and what are you running them at?
Sometimes just relaxing them a little can clear up some problems.
How many sticks are you running, 2,4,6?
post #4230 of 9637
Quote:
Originally Posted by chessmyantidrug View Post

Having VTT over 1.35V will kill your processor so I guess as long as you're stable stay with it?
Yup my friend burned a X5680 that way... trust me its something you don't want to find out the hard way...
Well he's also the kind of dumbdumb who plays russian roulette with 5 bullets so I guess when you're french yolo biggrin.gif
Edited by EvilMonk - 3/29/15 at 3:08pm
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