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post #701 of 6491
so i just picked up a 3820 on saturday and ive got this so far.

338

i dont see this boot strap thing people are talking about im my bios. can i just manually set the BCLK, and is there a limit that i should stop at?
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post #702 of 6491
Quote:
Originally Posted by JKDC View Post

I guess the Rampage is better with BCLK adjustments as I get the 3 beeps and no video at boot up at 105. Either that or the 680 is more sensitive or the fact I have SLI. I didn't try lower yet on the BCLK since <= 104 isn't much of a benefit. The PCIe must be strapped as well at 100,125,166 etc. I don't think it would work at 125 and not 105 otherwise. Why did Intel not allow a 50X multi for their flagship quad core processor?

I had a similar problem when I first got my 7970. I swapped from a PCI-E Gen 2 card to the 7970 and the MB would just beep 3 times at me (problem with video according to the beep code guide). To fix it I had to set my PCI-E back to Gen 2 in the BIOS and then it booted fine. the newest BIOS allows me to leave it set to Gen 3 in the BIOS, but according to GPU-Z it's still running at Gen 2. I should do some testing on that later in the week when I get back into town.
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post #703 of 6491
Quote:
Originally Posted by Ramsey77 View Post

I want to make sure it's stable to see if my booting problem persists afterwards. I will let it eat all night and report back in the AM. thumb.gif (I love my Hyper 212 wubsmiley.gif)

16 hours stable. I think I will shoot for the magical 24 hour mark. After this there should be no question about component failure or stability issues eh?
 
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post #704 of 6491
Quote:
Originally Posted by TurboMach1 View Post

so i just picked up a 3820 on saturday and ive got this so far.
338
i dont see this boot strap thing people are talking about im my bios. can i just manually set the BCLK, and is there a limit that i should stop at?

You've got a whole other multiplier to go to biggrin.gif . The multiplier on this chip is maxed at 43 (my board will allow me to set 44, but the chip still runs at 43). The strap we're talking about might be referred to as a ratio, or gears, or something else. The values should be 100,125,166 and 200. There's a guide to explaining Sandy-E overclocking that goes over it all.
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post #705 of 6491
Quote:
Originally Posted by Ramsey77 View Post

16 hours stable. I think I will shoot for the magical 24 hour mark. After this there should be no question about component failure or stability issues eh?

It's the cold boot part of the equation that bothers me. If it can run for 24hrs, I'd sign off on the CPU, MB, and RAM being good, but if it gives you grief on a cold boot again, I'd try a new power supply.
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post #706 of 6491
I wonder if it is my pcie generation setting in the bios? I am pretty sure it is set on gen3 even though my card is gen2. I am leaning more towards a GPU problem than a psu problem. (The problem doesn't arise until I change the baseclock. If it were the psu, wouldn't it do it all the time regardless of settings?)
 
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post #707 of 6491
Quote:
Originally Posted by Ramsey77 View Post

I wonder if it is my pcie generation setting in the bios? I am pretty sure it is set on gen3 even though my card is gen2. I am leaning more towards a GPU problem than a psu problem. (The problem doesn't arise until I change the baseclock. If it were the psu, wouldn't it do it all the time regardless of settings?)

I never had any issues until I went PCI-E Gen 3 for both card and MB, but it's certainly worth looking into. I have PCI-E spread spectrum disabled in the BIOS personally, and have changed no other settings related to PCI-E.

I would think that the BCLK wouldn't affect the PS, and if you were cold booting fine at 100 BCLK and having issues at 105, it's likely not the PS. For some reason I've got it in my head that you didn't start cold booting the PC until after the BCLK mod was done, which is my bad.
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post #708 of 6491
Quote:
Originally Posted by SneakyBushNinja View Post


.....and if you were cold booting fine at 100 BCLK and having issues at 105.

Yeah, it cold boots just fine at 100. I have a feeling I have a good chip, that might be able to hit around 4.8 with respectable voltage, but I won't bother with it until I can get this figured out. I think it has to do with whatever changes the BCLK makes to the PCIE lanes. For whatever reason, my card doesn't like it. (I have a pretty healthy OC on my card and might try dropping it down to stock for awhile to see if that makes any difference). Thanks for tossing ideas around with me man. thumb.gif +Rep
 
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post #709 of 6491
Came across this article while doing some reading today, good read with some good info.

http://benchmarkreviews.com/index.php?option=com_content&task=view&id=834&Itemid=38&limit=1&limitstart=2
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post #710 of 6491
I read that whole guide, and found this part about the "C States" to be interesting:

"Be aware though, of the potential PSU initialization issues can occur at deeper C states that can affect cold posts and rebooting. This in addition to memory training at post can cause potential instabilities. For maximum power efficiency and reduction of consistent thermal load (reduced temperatures) C States are advised to be enabled. Once reaching 4.8GHz a tradeoff is generally something to consider and to ensure superior smoothness in cold post/rebooting of an overclocked system it is advised to disable C3-C7.

So guess what I am going to do? biggrin.gif
 
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