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post #21821 of 28704
Okkkkk
Running 8+ hrs of prime95
One core (worker 2) fail sat 7hrs n 59mins, I guess this is why you do 8+ hours.
I have no clue why.
It says I have a rounding error where it's .4995117788, expected less than .4

Could it have something to do with the fact that when I first did this I WAS on 32bit or maybe is it because I under volted it from regular 1.35 to 1.325 (or whatever number it is in the bios)?
Edited by godofdeath - 1/21/10 at 6:23am
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post #21822 of 28704
Quote:
Originally Posted by BlackOmega View Post
Whoa 71C is way too hot; as soon as it got to 64C you should've shut it down.

BTW, FPU/L2 cache failures are due to temps being too high; L1 cache failure equates to inadequate voltage.
It failed/froze up at the start of FPU test and the max temp seen was 61c, but hitting that temp doesn't normally cause failure?

Quote:
Originally Posted by BlackOmega View Post
No use crying over spilled milk. And you've gotta realize that 500MHz OC on 180 (is kind low honestly), but that does put it at the upper end of what the majority of 939 CPUs' top out at, 3GHz. Obviously some are better and some are worse.
And I do realize that 500MHz OC for a 180 is kind of low( I can get windows at 2.9, but definitely not stable...too much voltage to get there.) If I set the cpu to 2.8GHz with enough voltage so S&M runs through it gets too hot. Is it just a crappy chip/stepping I got, or is this core contact freezer inadequate? I'll sell this POS cpu right on ebay for more than I paid for it.
Quote:
Originally Posted by BlackOmega View Post
Steppings are like batches if I'm not mistaken. And since you're dealing with such tiny things the margin of error goes up immensely. And usually the more they make of them the more revisions they do and make them better, that's why the LCB*E CPU's tend to overclock better than their older counterparts.
That makes sense, I just don't understand why LCB happened to be good, and the CCB1E I have is very good, too.



Kinda prcey.[/quote]

Quote:
Originally Posted by Kryton View Post
Yeah, the later steppings and dates are the ones to go for. I'm happy with my 180 and it's a fairly good clocker. Wish I had known about the 4400, may have wanted to see about getting that one.
The most I could get out of my CCBWE 4400 was 2.7GHz

Quote:
Originally Posted by Kryton View Post
They are the same and the model rating is based on how well a given chip does when tested. Once testing is done, it's "Binned" to run at a set default multi.
Makes perfect sense to me, ty
Edited by ny_driver - 1/21/10 at 7:23am
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post #21823 of 28704
question....my FSB/HT Link is 800MHz max so should I ideally keep my HT Link under 800MHz for best performance? Everyone always says 1000, but I just realized that mine maxs at 800MHz? Thanks.
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post #21824 of 28704
My nForce 3 board defaulted to 800 MHz. There was a 5x multiplier, but any attempt to set it as such rendered me unable to POST. I found that it was better to have 4x with a 250 MHz HTT. The chip wants 1000 MHz, or at least 900 MHz, so I tried to oblige whenever possible.
     
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post #21825 of 28704
Quote:
Originally Posted by blitz6804 View Post
The chip wants 1000 MHz, or at least 900 MHz, so I tried to oblige whenever possible.


Hey guys got the new dfi booted but had mem issues so gotta clean and reseat them after I check the board out with known good ram.
post #21826 of 28704
Quote:
Originally Posted by blitz6804 View Post
My nForce 3 board defaulted to 800 MHz. There was a 5x multiplier, but any attempt to set it as such rendered me unable to POST. I found that it was better to have 4x with a 250 MHz HTT. The chip wants 1000 MHz, or at least 900 MHz, so I tried to oblige whenever possible.
I never tried the 5x, but I don't really need to. I was just wondering if maybe I needed to lower it to 3x for better performance. Splitting hairs I guess.

Quote:
Originally Posted by Hueristic View Post


Hey guys got the new dfi booted but had mem issues so gotta clean and reseat them after I check the board out with known good ram.
Cool, GL with that.
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post #21827 of 28704
Quote:
Originally Posted by ny_driver View Post
It failed/froze up at the start of FPU test and the max temp seen was 61c, but hitting that temp doesn't normally cause failure?
WE here at the 939 club have a theory about increased clock speeds and max allowable temps. Reason it's a theory is because we can't really prove it.
Anyway, the theory is that as the clock speed/voltage increases the max temp drops. So at stock clocks @ 1.35v max temp is 65C. However at @ 2.9 @ 1.45v the max temp would drop to 60 (this is just a guesstimation BTW), and so on.

Quote:
Originally Posted by ny_driver View Post
And I do realize that 500MHz OC for a 180 is kind of low( I can get windows at 2.9, but definitely not stable...too much voltage to get there.) If I set the cpu to 2.8GHz with enough voltage so S&M runs through it gets too hot. Is it just a crappy chip/stepping I got, or is this core contact freezer inadequate? I'll sell this POS cpu right on ebay for more than I paid for it.
IT seems as though the cooler is inadequate for the Opty. To put it in perspective, my 180 @ 1.45v @ 2.9 (16 hours prime stable) barely got to 60C (Coretemp) using my Xiggy Darkknight.

It seems that it would be in your best interest to upgrade your cooler. The Xigmatek S1283 is good, or the Xigmatek Dark knight which is the nickel plated version of the S1283, but it also comes with a considerably better LED fan (89CFM).
Some other coolers to look at are the Scythe Mugen 2 or the ThermalTake Big Typhoon ($20 shipped). The BT might need to be lapped right of the box, mine did, but it actually cools a little better (~2-3C) than my Xigmatek dark knight. It does disipate heat very well, currently on my 720 @ 1.496v with an 800MHz OC after 8 hours of prime it only gets to 48C. During gaming or any other "normal" task I have yet to see my CPU over 36C (22/23c ambient).
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post #21828 of 28704
Quote:
Originally Posted by BlackOmega View Post
WE here at the 939 club have a theory about increased clock speeds and max allowable temps. Reason it's a theory is because we can't really prove it.
Anyway, the theory is that as the clock speed/voltage increases the max temp drops. So at stock clocks @ 1.35v max temp is 65C. However at @ 2.9 @ 1.45v the max temp would drop to 60 (this is just a guesstimation BTW), and so on.
I can't see how you came up with that theory. Sounds good, but it seems pretty backwards to me.

Quote:
Originally Posted by BlackOmega View Post
IT seems as though the cooler is inadequate for the Opty. To put it in perspective, my 180 @ 1.45v @ 2.9 (16 hours prime stable) barely got to 60C (Coretemp) using my Xiggy Darkknight.

It seems that it would be in your best interest to upgrade your cooler. The Xigmatek S1283 is good, or the Xigmatek Dark knight which is the nickel plated version of the S1283, but it also comes with a considerably better LED fan (89CFM).
Some other coolers to look at are the Scythe Mugen 2 or the ThermalTake Big Typhoon ($20 shipped). The BT might need to be lapped right of the box, mine did, but it actually cools a little better (~2-3C) than my Xigmatek dark knight. It does disipate heat very well, currently on my 720 @ 1.496v with an 800MHz OC after 8 hours of prime it only gets to 48C. During gaming or any other "normal" task I have yet to see my CPU over 36C (22/23c ambient).
Man I read a **** load of reviews and asked around some...the core contact is supposedly equivalent or better than the s1283 and others similar....what a waste of money....this thing really isn't much improvement over my AC Freezer 64pro, although all the reviews say otherwise.

EDIT : This cooler sux...if I increase the voltage above stock at all it gets to 67c in the fpu test and gets interrupted. I know I could adjust the tolerances in the test, but I'm just not going to test anymore. It's stable where it is. 1.42v 250 x 11 = 2750 with RAM at 250 3-3-2-5-1T(DDR500) It's good enough. It doesn't even break 50c when racing, and that's all that really matters.
Edited by ny_driver - 1/21/10 at 11:27am
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post #21829 of 28704
Have you checked the base to make sure it isn't warped a little, after I lapped a AC Freezer Pro 64 it dropped temps about 4C
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post #21830 of 28704
Quote:
Originally Posted by playah View Post
Have you checked the base to make sure it isn't warped a little, after I lapped a AC Freezer Pro 64 it dropped temps about 4C
I checked it out with a straight edge, it seems pretty flat. I'm a little hesitant about lapping the cooler because the heatpipes are exposed on the surface of the HS.....and I really don't have the necessary materials to do a proper lapping anyways. I lapped my freezer64pro with a flat knife sharpening stone and the temps dropped 2c, but I'd rather do it the recommended method.
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