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i7 3820 - 4820 Overclock Club - Page 222

post #2211 of 6491
Hi guys, just had to throw a "thanks" out to Mad man. Used your settings on my 3820 "Costa" and my OC is rocking now. 4807 Ghz (38 Multi, 126.5 Blk) V Core 1.395 in BIOS 1.416 idle and 1.432 under load, VTT and VCSSA 1.2. My max temp is like 71 on IBT (High Stress) (ray storm block with RX360 Rad) Gflops 109ish. At work so no screenies and working off memory.

Only question I have and I don't remeber seeing it here or in other threads; but with the new "Strap" ability on the X79, the PCI-E bus is locked so increasing the BLK doesn't affect the PCI-E speeds, is that right?

On the X58s you could adjust the PCI-E Freq separately, but not sure how it works with these X79s. There was issues on the X57 boards with increasing the PCI-E freq, causing problems with SSDs and such, if I remeber right it was not recommended to go over 103 freq.

Just wanting to ensure I am not inadvertently hurting SSD or something, while extending system life as long as possible given its OCed.
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post #2212 of 6491
Overclocking of this chip/board is so damn easy and fun.
So far I have 4729Mhz @ 1.34v @ 124.7 x 38
Passes Intel Burn with 115gflops and 8 hours of Prime95

Ambient temps are 38c in my computer room and the cpu only just hits 74 under full Burn load. And it idles @ 46c biggrin.gif
It is a Malay chip also.



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post #2213 of 6491
Thread Starter 
Quote:
Originally Posted by Storval View Post

Hi guys, just had to throw a "thanks" out to Mad man. Used your settings on my 3820 "Costa" and my OC is rocking now. 4807 Ghz (38 Multi, 126.5 Blk) V Core 1.395 in BIOS 1.416 idle and 1.432 under load, VTT and VCSSA 1.2. My max temp is like 71 on IBT (High Stress) (ray storm block with RX360 Rad) Gflops 109ish. At work so no screenies and working off memory.

Only question I have and I don't remeber seeing it here or in other threads; but with the new "Strap" ability on the X79, the PCI-E bus is locked so increasing the BLK doesn't affect the PCI-E speeds, is that right?

On the X58s you could adjust the PCI-E Freq separately, but not sure how it works with these X79s. There was issues on the X57 boards with increasing the PCI-E freq, causing problems with SSDs and such, if I remeber right it was not recommended to go over 103 freq.

Just wanting to ensure I am not inadvertently hurting SSD or something, while extending system life as long as possible given its OCed.
Why would you need to mess with the PCI -E freq ? I leave mine at 100 but don't go past 103 like you said smile.gif I am stoked my crap got your crap clocked nicely Well Done cheers.gif Welcome to the OCN redface.gif
Edited by HOMECINEMA-PC - 1/24/13 at 4:35am
post #2214 of 6491
Had no intention of messing with the PCI-E Freq, it was a tweak that worked on the X58 to increase stability, I dont remeber even seeing a way to change it in my X79 bios.

The question I was trying to ask (badly) is does changing the BLK on a X79 board in any way effect the PCI-E freq?
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Liquid Dream
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post #2215 of 6491
Quote:
Originally Posted by Storval View Post

Had no intention of messing with the PCI-E Freq, it was a tweak that worked on the X58 to increase stability, I dont remeber even seeing a way to change it in my X79 bios.

The question I was trying to ask (badly) is does changing the BLK on a X79 board in any way effect the PCI-E freq?

yes it will....it is linked to the BLK since it is controlled by the proc

but adjusting the BLK strap will not effect it
post #2216 of 6491
What should my Cpu temp's be and what is gflops. Thank you guys for the help & all but I don't know half of the things you told me to do, lol.
post #2217 of 6491
Quote:
Originally Posted by Storval View Post

Had no intention of messing with the PCI-E Freq, it was a tweak that worked on the X58 to increase stability, I dont remeber even seeing a way to change it in my X79 bios.

The question I was trying to ask (badly) is does changing the BLK on a X79 board in any way effect the PCI-E freq?
This is how it effect PCIe/DMI controller:-
  1. BCLK/CPU STRAP = 125 & BCLK = 125/Auto: PCIe/DMI controller = BCLK / STRAP = 125 / 1.25 = 100MHz
  2. BCLK/CPU STRAP = 125 & BCLK = 127: PCIe/DMI controller = BCLK / STRAP = 127 / 1.25 = 101.6MHz
  3. BCLK/CPU STRAP = 125 & BCLK = 123: PCIe/DMI controller = BCLK / STRAP = 123 / 1.25 = 98.4MHz

If you only change STRAP to 125 & leave the BCLK to default, BIOS will automatically set BCLK to 125. Remember CPU has 4 straps: 100, 125, 167, 250 where 1:1, 1:1.25, 1:1.67, 1:2.5 respectively. (You can see why it is divided by 1.25)

Most of the CPUs can only handle 5 - 10% adjustment for the PCIe/DMI controller. Basically it all depend on the quality of the CPU. If the CPU unable to handle the speed, your computer will become unstable. It shouldn't damaged any hardware. At most data in your SSD/HDD can be corrupted or tearing in the video (GPU). If you don't want to stress any components, I recommend don't run PCIe/DMI controller more than 100MHz.
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Koolance Ball Valve VLV-BL1X2 XSPC D5 Dual Bay Reservoir/Pump Combo Hardware Labs Black Ice GT Stealth 360mm Hardware Labs Black Ice SR-1 120 
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XSPC EX240 2x120mm radiator 5 x Corsair SP120 High Performance 2 x Corsair SP120 PWM High Performance XSPC Raystorm 
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post #2218 of 6491
Wow, I'm impressed with everyone tweaking and setups. I think it's time for me to re tweak. These are capable chips.
 
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post #2219 of 6491
Thread Starter 
Quote:
Originally Posted by Concept View Post

Wow, I'm impressed with everyone tweaking and setups. I think it's time for me to re tweak. These are capable chips.
Agreed , Im certain nearly all 3820's are 5Ghz stable + capable thumb.gif Ive had / got 3 3820's that will do it smile.gif
Edited by HOMECINEMA-PC - 1/25/13 at 3:40pm
post #2220 of 6491
finally got my cooler on the new 6970 temps are about the same but way quieter....hopefully they will go down as the mx-4 sets

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