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E6600 and Tuniq Tower-Maxed at 3.3Ghz?

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November 10, 2006 5:08:41 PM

Ok, I have an E6600 with a Tuniq Tower 120 CPU cooler and arctic silver (not broken in), and an Asus P5W DH Deluxe Motherboard.

Edit:
Full Specs
E6600 2.4Ghz stock
Silverstone TJ07 Case
OCZ DDR2 PC8000 set for 1:1
Tuniq Tower 120 CPU Cooler
Radeon X1800XT w/ Arctic Cooling Air Cooler
Asus P5W DH Deluxe
Antec Trupower 600 watt PSU

My settings are:

DRAM Voltage 2.2V
MCH Voltage 1.55
FSB Voltage (VFsb) 1.40V
SB Voltage (vICH) +.01V from default
Vcore 1.400V.

I can't seem to get the chip stable past 3.3Ghz. It runs Prime95 @ 53C at 3.3Ghz, but if I set it any faster I get errors.

I was under the impression that with the Tuniq Tower 120 I should be able to OC closer to 3.6 Ghz. What am I doing wrong?
Anonymous
a b à CPUs
November 10, 2006 5:16:22 PM

Well temps looks good, you're applying the right voltage to the CPU although you could try pushing it a bit more since you still have a ltittle temp headroom...

What memory are you using? gives us full system specs so we can identify other bottle neck...

I think 3.3 is pretty good, keep in might different chip OC differently. If you get the serial number of the chip you can actually see if it's a good week of production for OCing.
November 10, 2006 5:27:35 PM

Edit:
Full Specs
E6600 2.4Ghz stock
Silverstone TJ07 Case
OCZ DDR2 PC8000 GOLD set for 1:1
Tuniq Tower 120 CPU Cooler
Radeon X1800XT w/ Arctic Cooling Air Cooler
Asus P5W DH Deluxe
Antec Trupower 600 watt PSU

Update: I boosted Vcore to 1.425 and now it seems to be stable @ 3.4 Ghz. With prime 95 temps are like 54C. How much more do you think it can handle?
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November 10, 2006 5:50:09 PM

If 1.425V gives you 54C load under Core Temp, you should be able to top off between 1.5-1.525V at around 60C - in the long term you don't want to go over 65C past 1.5V, and ambient temperature fluctuations will affect that figure.

You're testing load with either 2 instances of Prime or 1 dual-core instance of Orthos, right? Stressing just one core is not enough to determine load temperature.

On top of this, the motherboard may be a limiting factor, depending on your specific revision and sample. I've had a P5W turn unstable past 355 FSB, but there are many cases of people reaching 380 on this board - a little cooling on the Northbridge would have helped.
November 10, 2006 6:31:37 PM

Yeah I'm using core temp and two instances of Prime. I know I have Prime set up correctly.

3.4Ghz @ 1.425V seems very stable. I'm going to leave it at that for now, and in a week or so after the arctic silver breaks in a bit, I'll see if I can squeeze a little more out of it. In my experience temps improve a bit after some break in time. Thanks!
November 10, 2006 7:19:56 PM

well i have a similar system as your but the temps are not a problem for me i get at 1.5 vcore about 51 load.And 39 idle.That is pretty good.But i cant get even 3.4 with 1.5 vcore stable.I have now 3.02 at 1.425 and it is stable for 17 hours.I have same setting as you just the vcore is diffrent.

What is wrong?
November 10, 2006 8:31:54 PM

Quote:
The 1.4Ghz oc @ 1.425V seems very stable.

So you have it up to 3.6Ghz? at 1.425 is nice..
to get mine to run at 3.6 ghz I need to run it at 1.55v.

Also I found that overclocking to 3.8Ghz it ran fine running Prime95(2 instances)
Running TAT core stress at 100% would reboot my machine in 5 min.
November 10, 2006 8:49:41 PM

Quote:

So you have it up to 3.6Ghz? at 1.425 is nice..


No no, my bad. The clock speed is 3.4Ghz @ 1.425. CoreTemp maxes out at 54C in Prime. It would probably go higher but I have my TJ07, with four 120mm exhausts and 2 80mm that blow right onto the tuniq in a desk cabinate. The back of the cabinate is open and the intakes are in the back of the case, so I don't think fresh air getting into the PC is an issue. The ambient temps, however, would certainly be better if the case were out in the open so the top exhausts could blow heat up and out more. It is a beast of a case and looks silly on my desk, and the cabinate cuts down on some of the noise from my raptor, so it will stay for the time being. I'd love to modify this desk with little grills so some air could get out of the cabinate, but I'm not handy enough for that!
November 12, 2006 10:41:59 PM

I'm now up to 3.5Ghz stable!
November 12, 2006 11:01:22 PM

Quote:
I'm now up to 3.5Ghz stable!


Any config/cooling changes or just took a leap?
Synergy6
November 12, 2006 11:11:02 PM

Boosted VCore to 1.4625
November 13, 2006 12:12:11 AM

what are teh temperatures of your cores now idle/ full load?
November 13, 2006 12:39:30 AM

I'd say, 40/54
a b à CPUs
November 13, 2006 12:40:10 AM

my ASUS P5B Deluxe undervolts the cpu and makes the ram timings run at C4 and wont post with manual timings :S , im running my system (see footer note) with everything at default vcore except for ram (2.0v) running solid at 3.2 (400x8, E6600)with stock cooling! cpuz see's the vcore as ~1.296v so.

now with a newer case (thermaltake soprano, side pannel mesh removed for steel grill) i see it wont get passed 58*c!

Ill be getting a TT big typhoon soon so lets see how far this baby goes!
November 13, 2006 12:45:36 AM

Forgot to mention that I pulled the case (TJ07) out of my desk cabinet, and I think that made a big difference temp wise. The thing is that when prime has been failing, it doesn't seem to be because of temps, because Core temp never gets above 55C. So I could give it 1.5 Vcore but since at load it is already at 55C, I'm affraid that I won't have enough of a safety zone for changes in room temperature. I would like to go higher though.
November 13, 2006 12:59:08 AM

Mine is watercooled. running at 1.55v and idle i get 44 and at load i get 62
a b à CPUs
November 15, 2006 7:12:06 AM

Quote:
Mine is watercooled. running at 1.55v and idle i get 44 and at load i get 62


my e6600 with stock cooling and stock vcore gets 3200 (400x8) and 62*c under load, i wonder how far it will go with a TT Big Typhoon at 1.5v (max)...

anyone know how far corsair xms6400 C5 can go and what the max safe vcore is for it?

sofar its running at 800mhz C4-4-4-12, 2.0v (stock 1.9v), the only overvolted thing in my computer...
!