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New Propus CPU Fails to Deliver, Yet Again. - Page 6

post #51 of 58
Quote:
Originally Posted by charlie310 View Post
Forgot to mention, ran an overnight P95 test, and the 3.85Ghz OC is unstable.
OK - Now let me ask a question or two.

First, what CPU voltage were you using?
What combination of CPU multi, bus speed and RAM timings/dividers were you running at the time?

How high did temps get related to the components?

I'd bet if you were to run HWmonitor alongside the P95 test and allow it to monitor things in the background, you'll see something that may be the answer to the problem.
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post #52 of 58
Thread Starter 
Quote:
Originally Posted by Kryton View Post
OK - Now let me ask a question or two.

First, what CPU voltage were you using?
What combination of CPU multi, bus speed and RAM timings/dividers were you running at the time?

How high did temps get related to the components?

I'd bet if you were to run HWmonitor alongside the P95 test and allow it to monitor things in the background, you'll see something that may be the answer to the problem.
The problem is it's a Propus= huge amounts of vcore are needed to get it stable. My x4 640 needed 1.54Vcore just to get to 3.5Ghz stable(from stock 3.0Ghz).
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post #53 of 58
Quote:
Originally Posted by charlie310 View Post
The problem is it's a Propus= huge amounts of vcore are needed to get it stable. My x4 640 needed 1.54Vcore just to get to 3.5Ghz stable(from stock 3.0Ghz).
Hmmm.... It's possible your chip is as stated -crappy BUT there are still one or two things that might make a difference.
Can't hurt to check.

I don't know if you've been using the same PSU with both/all chips but if possible, check to see first what your rails are putting out to make sure all is within spec.

EXAMPLE:
I know with Socket A's the -5v line must be rated for at least 28W's of power or it won't clock so well - It should also have at least 5v's or better.

As long as the PSU is producing the required power, all is good in that example.

You can check the voltage with a meter and it should fall within spec or maybe a tad higher for each rail spec that's listed on the PSU's label. Be sure that the specs of the PSU says it's rated for the proper wattage to the CPU itself/CPU power supply circuit, if it's starving for power you'll have crappy results and it doesn't matter what CPU you use with the system.

If it's getting all the required power from the PSU rail to the board's CPU circuit, then I guess that's all that's left - A crappy CPU.

BTW I'd still try a run with P95 and HWmonitor logging temps in the background as the run progresses just to see exactly what and how it's doing.
Edited by Kryton - 5/29/11 at 12:05pm
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post #54 of 58
Quote:
Originally Posted by charlie310 View Post
The problem is it's a Propus= huge amounts of vcore are needed to get it stable. My x4 640 needed 1.54Vcore just to get to 3.5Ghz stable(from stock 3.0Ghz).
What temps did u get on those settings under Prime ??
post #55 of 58
Thread Starter 
Got a pretty stable OC at 1.56Vcore. P95 test run is a custom LargeFFT with max memory tested. Now, I'm gonna try to lower the v-core and tighten my RAM timings.

Edited by charlie310 - 5/29/11 at 8:20pm
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post #56 of 58
Quote:
Originally Posted by charlie310 View Post
Got a pretty stable OC at 1.56Vcore. P95 test run is a custom LargeFFT with max memory tested. Now, I'm gonna try to lower the v-core and tighten my RAM timings.
Dude - I see that your 3.3 voltage is rather low and that means a weak CMOS battery if the reading (If I'm right about that) is correct.
A weak battery CAN cause weird stuff to go on, pop a fresh battery in and see what happens. Besides, can't hurt to pop in a fresh battery anyway if that reading is indeed the battery. If the CMOS battery ever starts dropping below 3.0v's it's really time for a new one.

Noted your 12v readings and the +5 readings are a little low too, you might want to consider another PSU soon if those are correct too.

As for the rest not bad overall, you may be able to tweak it a little further.
Edited by Kryton - 5/30/11 at 8:17am
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post #57 of 58
Quote:
Originally Posted by Kryton View Post
Dude - I see that your 3.3 voltage is rather low and that means a weak CMOS battery if the reading (If I'm right about that) is correct.
A weak battery CAN cause weird stuff to go on, pop a fresh battery in and see what happens. Besides, can't hurt to pop in a fresh battery anyway if that reading is indeed the battery. If the CMOS battery ever starts dropping below 3.0v's it's really time for a new one.

Noted your 12v readings and the +5 readings are a little low too, you might want to consider another PSU soon if those are correct too.

As for the rest not bad overall, you may be able to tweak it a little further.
3.3v rail is still part of the ATX spec and still receives power through a couple of dedicated 3.3v pins on the P1 connector (Orange). It is likely not the CMOS battery.

Also, CMOS data is kept in retention by using standby power when the machine is 'off' (yet still plugged into wall).
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post #58 of 58
Quote:
Originally Posted by beers View Post
3.3v rail is still part of the ATX spec and still receives power through a couple of dedicated 3.3v pins on the P1 connector (Orange). It is likely not the CMOS battery.

Also, CMOS data is kept in retention by using standby power when the machine is 'off' (yet still plugged into wall).

Thanks for clarifying that, I'm still learning like everyone else - I think.
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