[Kojak]

30.3 % overclock on air !!!

[Patrick]

NICE!!!

[Dalo Harkin]

30% is about where you want to be on an OC really anyway due to the 'problems' that can happen if pushed anymore, that being said there haven't really been any decent OC chips since the Q6600 which was 2.4 stock you can get 3.4 easily on air with not much fuss (50% near as damn it OC)
There is however a new chip just launched G6950 (which costs £75) which is a stock dual core 2.8GHz 32nm Clarkdale CPU (locked muptiplier ) which can be overclocked to 4.62GHz without even breaking a sweat, it's only limited by a boards 220MHz base clock (you can't push more than this without water) so it looks like Intel is going back to the way they made chips around the Q6600 time, which is great news for Overclockers

What's the heat increase though on load? can it run Prime95 smallfft stress test etc

[Kojak]

Dalo Harkin, on 26 Jul 2010 - 03:25 AM, said:

30% is about where you want to be on an OC really anyway due to the 'problems' that can happen if pushed anymore, that being said there haven't really been any decent OC chips since the Q6600 which was 2.4 stock you can get 3.4 easily on air with not much fuss (50% near as damn it OC)
There is however a new chip just launched G6950 (which costs £75) which is a stock dual core 2.8GHz 32nm Clarkdale CPU (locked muptiplier ) which can be overclocked to 4.62GHz without even breaking a sweat, it's only limited by a boards 220MHz base clock (you can't push more than this without water) so it looks like Intel is going back to the way they made chips around the Q6600 time, which is great news for Overclockers

What's the heat increase though on load? can it run Prime95 smallfft stress test etc

Re: Prime95 smallfft stress test. I assume this is freeware. Where can I DL it ?

Edit: Found it. When I have time I'll test.

[Kojak]

Okay....... Frustration ain't my bag baby.

I can run / game @ 3910 Mhz / 1.55 Volts without a hiccup.

But, as soon as I try to run Prime95 my system crashes.

[Dalo Harkin]

He he,


At the end of the day, if the system is 'stable' for your needs, then it would probably be fine, tests like Prime are designed to find any slight weaknesses in a system OC/system, so dont take it to heart. people spend days getting Prime to run, and when it does and completes you know that the system will be capable of handling any tasks you throw at it.

When you start OCing and compare against other peoples OC, they ALWAYS want a Prime and a CPUZ screenshot

[Kojak]

Dalo Harkin, on 28 Jul 2010 - 04:06 AM, said:

He he,


At the end of the day, if the system is 'stable' for your needs, then it would probably be fine, tests like Prime are designed to find any slight weaknesses in a system OC/system, so dont take it to heart. people spend days getting Prime to run, and when it does and completes you know that the system will be capable of handling any tasks you throw at it.

When you start OCing and compare against other peoples OC, they ALWAYS want a Prime and a CPUZ screenshot

I know. I wasn't banging my head on my desk. I'm really not into that whole third eye thing.
What would be useful is having Prime95 ID the cause of the crash, instead of just crashing.
Then it would make sense to continue the process. Just pass or fail doesn't cut the mustard.

[Dalo Harkin]

It used to generate a report, does the one you have do that, I think it goes into C:/documents

[Kojak]

Dalo Harkin, on 28 Jul 2010 - 07:24 AM, said:

It used to generate a report, does the one you have do that, I think it goes into C:/documents

Found results file. It only has results for completed tests.
On the upside... I went back to 3818Mhz (224x17.0). I pushed
other voltages no more than two steps above stock. The smallfft
test ran approx. thirty seconds before crashing. An improvement,
certainly. Below are current settings.



Any Suggestions ?

[Kojak]

Okay. Scratch my last post.

Currently running 3705Mhz (224x16.5 @ 1.55 VCore).
Presently working on passing SmallFFT 24K test on Desktop.

Edit: Passed SmallFFT 32K test of Prime95.





[Mon Jul 26 23:26:48 2010]
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
[Wed Jul 28 16:08:06 2010]
Compare your results to other computers at http://www.mersenne....port_benchmarks
AMD Phenom™ II X4 940 Processor
CPU speed: 2999.97 MHz, 4 cores
CPU features: RDTSC, CMOV, Prefetch, 3DNow!, MMX, SSE, SSE2
L1 cache size: 64 KB
L2 cache size: 512 KB, L3 cache size: 6 MB
L1 cache line size: 64 bytes
L2 cache line size: 64 bytes
L1 TLBS: 48
L2 TLBS: 512
Prime95 64-bit version 25.11, RdtscTiming=1
Best time for 768K FFT length: 13.493 ms.
Best time for 896K FFT length: 16.461 ms.
Best time for 1024K FFT length: 18.590 ms.
Best time for 1280K FFT length: 23.659 ms.
Best time for 1536K FFT length: 28.663 ms.
Best time for 1792K FFT length: 34.976 ms.
Best time for 2048K FFT length: 39.303 ms.
Best time for 2560K FFT length: 51.745 ms.
Best time for 3072K FFT length: 62.443 ms.
Best time for 3584K FFT length: 75.310 ms.
Best time for 4096K FFT length: 85.232 ms.
[Sun Aug 01 01:09:05 2010]
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
[Sun Aug 01 01:45:11 2010]
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
Self-test 8K passed!
[Sun Aug 01 02:01:05 2010]
Self-test 10K passed!
Self-test 10K passed!
Self-test 10K passed!
Self-test 10K passed!
[Sun Aug 01 02:16:57 2010]
Self-test 12K passed!
Self-test 12K passed!
Self-test 12K passed!
Self-test 12K passed!
[Sun Aug 01 02:32:31 2010]
Self-test 14K passed!
Self-test 14K passed!
Self-test 14K passed!
Self-test 14K passed!
[Sun Aug 01 02:48:03 2010]
Self-test 16K passed!
Self-test 16K passed!
Self-test 16K passed!
Self-test 16K passed!
[Sun Aug 01 03:04:11 2010]
Self-test 20K passed!
Self-test 20K passed!
Self-test 20K passed!
Self-test 20K passed!
[Sun Aug 01 03:19:12 2010]
Self-test 24K passed!
Self-test 24K passed!
Self-test 24K passed!
Self-test 24K passed!
[Sun Aug 01 03:34:17 2010]
Self-test 28K passed!
Self-test 28K passed!
Self-test 28K passed!
Self-test 28K passed!
[Sun Aug 01 03:49:51 2010]
Self-test 32K passed!
Self-test 32K passed!
Self-test 32K passed!
Self-test 32K passed!

[Dalo Harkin]

Are you using the AMD Overdrive software to OC the PC or are you using the BIOS?
I haven't used an AMD chip for a LONG time, well to OC anyway

Software OCs are very unstable

[Kojak]

Dalo Harkin, on 02 Aug 2010 - 02:59 AM, said:

Are you using the AMD Overdrive software to OC the PC or are you using the BIOS?
I haven't used an AMD chip for a LONG time, well to OC anyway

Software OCs are very unstable

I've never done a soft overclock. Not even once.

Because it throttles back the CPU, I even have AMD's
"Cool 'n' Quiet" disabled in the Bios on my System

I used AMD Overdrive solely for the purpose of displaying
the settings I was using for the purpose of overclocking.

[Dalo Harkin]

Good, just wanted to check

cool and quiet wont stop an OC like it used to on the older AMD architectures

[Kojak]

Dalo Harkin, on 02 Aug 2010 - 08:46 AM, said:

Good, just wanted to check

cool and quiet wont stop an OC like it used to on the older AMD architectures

Even so, I don't use it. W.O.T. is the only way to go.

[Kojak]

Okay. Here's where we're at today: 3732 Prime95 Bulletproof Mhz (up from 3705).
Prime95 test time down from 2:40:46 to 2:05:36.
Seeing I am 5-6*C from the thermal limit of the CPU during Prime95 testing,
I'm not going any further with my current cooling solution.

[Dalo Harkin]

Water it is then

[Kojak]

Dalo Harkin, on 04 Aug 2010 - 03:08 AM, said:

Water it is then

Will the Corsair H50 do better than my Zalman CNPS990LED ?

[Dalo Harkin]

Those Zalman ones were quite good a while ago, with watercooling it'll be much quieter and allow you to push the OC a lot further.

Im not sure of pricing of the H50 in the US, but its around £55-60 in the UK, it only comes with 1x 120 RAD though so it wont be able to cool anything else along with the CPU

[Kojak]

Dalo Harkin, on 04 Aug 2010 - 07:58 AM, said:

Those Zalman ones were quite good a while ago, with watercooling it'll be much quieter and allow you to push the OC a lot further.

Im not sure of pricing of the H50 in the US, but its around £55-60 in the UK, it only comes with 1x 120 RAD though so it wont be able to cool anything else along with the CPU

H70

[Dalo Harkin]

There was some talk of an H60, but didnt know there was an H70 coming this way, still just adding another fan wont really help as much as people think, you would be better just getting the H50 and adding your own fan like an arctic cooling one, set to 2000RPM through a controller (when needed) (2000RPM on some fans sound like the old Vantec tornados but arctic ones dont)