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i7 3820 - 4820 Overclock Club - Page 212

post #2111 of 6499
Quote:
Originally Posted by HOMECINEMA-PC View Post

If its pouring out the sides too much , more is better than not enough smile.gif

actually, too little is better than too much biggrin.gif
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post #2112 of 6499
Quote:
Originally Posted by kizwan View Post

Sorry to hear that you still have problem with your 3820. In your previous post, it also locked up even when at stock frequency. Is that right? If VRMs are too hot, system should throttling CPU frequency, not lock up. So, something else in play here, not temps.
I noticed you're running both P95 & IBT at the same time. Did it locked up when running separately? I wonder whether the memory usage is ~100% when your computer lock up.
This is my 4.6GHz OC. I only ran P95 for one hour. I don't remember the ambient at that time but at least 31C. Offset +0.33 (vcore 1.360V).


Manual vcore 1.376V. Temp a couple degrees higher because higher voltage.



My original 3820 locked up at stock, but thats because it was fried. My new chip is fine stock, I reseated the cpu water block, with a much smaller amount of thermal paste. This seemed to help and now Im getting wicked temps.

Currently stable @ 4.3 with only +0.010 offset voltage and LLC and that stuff set to regular (lowest) for 3 hours in OCCT 4.3.2 LINPACK. This program is awesome. Avg cpu temp was like 67c @ 4.3ghz. This is now my GOTO stressing program.

Ive read hundreds of threads on stressing. Ive seen everything from running multiple stresses at the same time, to "prime95 sucks" and all that crap. Im happy to know my system can take 100% load for hours.


The system shouldn't lockup with 100% memory usage. I have a miniscule page file (1024megs) just in case. All of my issues were related to a bad cpu. Also possibly bad vrms on my last board killing
the cpu.


Im gonna stay at 4.3ghz @ 1.28-1.296v (43x100), until my new 1866mhz ram arrives.
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post #2113 of 6499
Quote:
Originally Posted by theJaybo View Post

Oh man that is a dirty rad. Are you setup for negative pressure ?

lol...i dont know.... positive means more intake right?
post #2114 of 6499
Quote:
Originally Posted by zerokool_3211 View Post

lol...i dont know.... positive means more intake right?

negative pressure is more fans exhausting than intake

and positive is more intake than exhaust.


personally my setup is for positive pressure, as my dual 120mm high static pressure intake over my rad, then 3xlow rpm intakes over my drives on the front of the case.

I have a silent PSU, with the intake fan facing the bottom floor (vented) of the case, this fan rarely turns on so i don't count it, and I directly draws outside air so it cancels.
my only exhausts are 2 high rpm 80mm at the back (where the psu would be mounted on top), a top exhausting 80mm and side panel exhausting 80mm.

Couple that with removing 3 - 2tb Green hard drives, Ive dropped my loaded temp from over 84c, to under 70c.


Is issue with positive pressure is dust. If all your **** is intake, then everything in the room gets sucked into them.

Im going to try a fully negative pressure system and see what happens. The issue becomes the fact that all the cooler outside air now needs to be sucked in through crevasses in the case, or holes in the side panel. Fans will wear out quicker because they are impeded by the lack of intake, making them work harder.
Edited by theJaybo - 1/9/13 at 6:57pm
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post #2115 of 6499
i have a 600T with the 200mm in the front pulling in....and 3 corsair 120mm's pulling out(2 of which are pulling air through my rad)....couldnt do push/pull in this case cause mb heatsinks were in the way...and as stated above my PSU intakes from the bottom....so it is really only cooling itself....so negative
post #2116 of 6499
Thread Starter 
Heres a 4.8Ghz just primed got bored..
sleepysmiley03.gif
post #2117 of 6499
Quote:
Originally Posted by HOMECINEMA-PC View Post

Heres a 4.8Ghz just primed got bored..
sleepysmiley03.gif

i hate you....rofl...j/k
post #2118 of 6499


Playing around to see what the chip could really do
Edited by roberta507 - 1/11/13 at 1:06pm
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post #2119 of 6499
Let the sexytime overclocking begin!

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post #2120 of 6499
Nice.. but is it prime / linpack stable? =)

my chip can boot 5.2ghz at 1.5V but not stable without 1.56V, extreme LLC and high speed fans cooling the VRM..

I can boot at 5.3ghz also but can't get it stable.. would have to go beyond 1.6V which I don't really want to do

edit- how are you only using 30W in coretemp?? you have C states enabled or?

my reading never goes below like 55W
Quote:
Originally Posted by roberta507 View Post



Playing around to see what the chip could really do

Edited by t4ngent - 1/11/13 at 1:48pm
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dev rig
(15 items)
 
Music Workstation
(22 items)
 
 
CPUMotherboardGraphicsRAM
i7 3820 (Swiftech Apogee HD block) ASUS Sabertooth X79 GTX 670 4GB SLI (XSPC Razor blocks) 64GB Patriot Viper 1866 
Hard DriveCoolingCoolingCooling
Crucial M4 SSD Custom Water, 2x D5, 2x RX360  Cougar Vortex 120mm PWM Fans Antec Spot Cool (VRM/RAM cooling) 
OSMonitorKeyboardPower
Win7 Host, Linux/OSX VM 3x ASUS PB278Q WQHD (PLP config) Das Keyboard v1 NZXT Hale90 1000W 
CaseMouseAudio
Danger Den Torture Rack Logitech Performance MX Logitech Z5500 
CPUMotherboardGraphicsRAM
i5 2500K ASRock Extreme6 Onboard 32GB Crucial Ballistix 1600Mhz 
Hard DriveOptical DriveCoolingOS
Crucial M4 256GB SSD + 2TB HDD None 3x Scythe S-Flex 900RPM  Win7 
MonitorKeyboardPowerCase
2x Samsung 245BW Saitek Eclipse v1 Enermax 500W Antec Atlas 550 Server Midtower 
MouseAudioAudioAudio
Logitech M400 MAudio BX5a Studio Monitors Denon AH-D5000 Headphone TC Electronic Desktop Konnect 2x2 Interface 
AudioAudioAudioAudio
Yamaha S90ES Keyboard Novation Remote 49SL Keyboard Novation Launchpad Native Instruments Kore2 
OtherOther
On Stage Stands WS8700 Workstation Various Guitars (Warmoth custom builds, Fender,... 
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