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i7 3820 - 4820 Overclock Club - Page 133

post #1321 of 6509
Quote:
Originally Posted by Entropia View Post

I'd tried 1.4 with 37 x 125 (4625) which didn't work. However i gave 1.41v a go at 4625Mhz and it ran Prime for about an hour before BSOD (best yet for me thumb.gif). So now i'm trying 4500Mhz at 1.4 (which I hadn't tried yet because i didn't think it was needed... oops) and it's running alright so far, getting close to the hour mark now actually.
Hottest core has hit 68C at one point but hovering around 66 to 67 and lowest core hasn't gone past 58C yet. I'd be happy with those temps but how will running my comp at 1.4v for day to day usage degrade the CPU at all. I've heard mixed things about this which is why I didn't really want to breach the 1.4v barrier earlier.

Very strange, what about the RAM?

Also running at 1.4V every day won't make the chip fail in a matter of weeks, but the lifespan might be reduced to a few years AFAIK.
post #1322 of 6509
I would restrain from pushing the RAM before its clear that it is the CPU that causes BSOD, and not the integrated mem controller (ok that's the CPU again, but...) along with your ram timings / speed settings. Run the Ram stock, and when you are satisfied with the CPU, boost the mem.
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post #1323 of 6509
I got my 3820, Sabertooth and Samsung RAM last week.wheee.gif
I decided not to push the chip too hard for now, so I went for easy mode and just raised the multi to 43x, and set RAM to 2133 at its default timings (11-11-11-28). LLC is on regular (I try to avoid using LLC when possible), and I'm using a 0.02 offset on Vcore and 0.1 offset on VCCSA. Most other values are either set to auto or their standard/lowest setting. I haven't done a long Prime run yet, though it passed 25 IBT runs on maximum with the highest core temp being 65C on core 0 so I have a good feeling about this. I'm saving the BCLK overclocking for when I get bored or need the extra speed.tongue.gif
I'll be doing more tweaking and stress testing tonight, to see if I can get away with a lower offset on VCCSA and perhaps tighter memory timings (or just higher memory clock). I'm loving this chip so far.thumb.gif
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post #1324 of 6509
Been playing around with my 3820 tonight to see how well it would overclock, as well see how good my h100 using stock fans would keep it cool. Here are my results from running Intel Burn Test

post #1325 of 6509
Quote:
Originally Posted by Zypho View Post

Been playing around with my 3820 tonight to see how well it would overclock, as well see how good my h100 using stock fans would keep it cool. Here are my results from running Intel Burn Test

Wow, nice OC. I am hoping to pick one of these up this weekend, hopefully mine can do close to that.
post #1326 of 6509
Quote:
Originally Posted by Zypho View Post

Been playing around with my 3820 tonight to see how well it would overclock, as well see how good my h100 using stock fans would keep it cool. Here are my results from running Intel Burn Test

How are your temps so cool on a H100?! thinking.gif

Mine are substantially higher even with the same cooler. tongue.gif
post #1327 of 6509
Quote:
Originally Posted by Paradigm84 View Post

How are your temps so cool on a H100?! thinking.gif
Mine are substantially higher even with the same cooler. tongue.gif

Try googling the weather in Nova Scotia...
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post #1328 of 6509
Quote:
Originally Posted by BloodQuest View Post

Try googling the weather in Nova Scotia...

Exactly how warm do you think England is? tongue.gif

I didn't see he was there, that might have something to do with it. biggrin.gif

Although assuming his computer is inside (a fair assumption) and not outside in the cold, his house can't be that much colder than mine to give such different temps.
post #1329 of 6509
Probably because Zypho running IBT in "Standard" mode stress test?! The CPU unable to heat up fast enough.
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post #1330 of 6509
I will do some more playing tonight. My apartment is usually anywhere between 18-22 degrees, yes case is inside. Using a 800d and I should mention I have the h100 set on max fan speed. Ill take it off standard mode tonight and play around, though I have been playing games on it non stop and have had no issues.
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