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i7 3820 - 4820 Overclock Club - Page 45

post #441 of 6499
You can go higher with less stability issues normally by just going to 1.25x37 mulitplier instead of 1.00x43
post #442 of 6499
Howdy folks, new to the forums but i was wondering what sort of over clock i should consider safe, and what the best way of achieving it would be.

3820k
Asrock extreme4-m mATX mobo
16gig corsair lopro ram (1600)
and an corsair H70 closed system water cooler

I've got it currently bumped to 4.56ghz with a BLCK of 120 and a ratio of 38

my Vcore voltage is sitting around 1.42-1.38

I'm wondering if this is decent? or should i tone it down, or go higher?

also what's the best way to test the reliablity/stability of any overclocks that i preform?

thanks in advance guys ^^
post #443 of 6499
Quote:
Originally Posted by Maximuscr31 View Post

You can go higher with less stability issues normally by just going to 1.25x37 mulitplier instead of 1.00x43

This failed even worse. I uninstalled the ASUS AI Suite. I went to the BIOS and pressed F5 to load the "Optimized Defaults". I then:

1) changed the "Ai Overclock Tuner" to "X.M.P."
2) changed the CPU Strap to "125 MHz".
3) changed the Memory Frequency to "DDR3-1666Mhz"
4) changed the Multiplier to "37"
5) I left the "CPU VCORE Voltage" in the default "Offset Mode + Auto"

Screenshot of settings:

1) http://i.imgur.com/VFBIn.jpg
2) http://i.imgur.com/K6212.jpg

I saved the settings and restarted, but it failed when restarting. The ASUS splash screen did not show, the screen stayed blank, and the Q-Code on the P9X79 Deluxe Motherboard was stuck on "69". I had to hold the power button to turn the PC off, and when I switched it on again, I got the "American Megatrends" screen saying "Overclocking failed!".

I then tried switching the "CPU VCORE Voltage" to "Manual Mode" and setting the voltage to 1.4V, but it also failed in the exact same manner.

What am I doing wrong? Thanks.
post #444 of 6499
Quote:
Originally Posted by Shepardg View Post

I'm wondering if this is decent? or should i tone it down, or go higher?
also what's the best way to test the reliablity/stability of any overclocks that i preform?
thanks in advance guys ^^

You need to go back to the beginning of this thread and read. I don't mean to sound like an a__, but you have 45 pages of good information that deals with every question you just posted.
Quote:
Originally Posted by BuildBuildBuild View Post

5) I left the "CPU VCORE Voltage" in the default "Offset Mode + Auto"

Manually set vcore yourself, don't rely on the board to set it for you. Start around 1.3 and work up or down by .01 to find a stable starting point. I use 1.25v for 4.3 and 1.32v for 4.625. So if i were you, I would start with 1.35v. If it boots, run Prime 95 for a bit (an hour or so) and if it passes, try turning down Vcore to 1.33v and do the same test over again. What I like to do is test it until I find the lowest possible stable voltage (less heat). I only run P95 for an hour or so, then move on to gaming. If it blue screens while gaming I turn the vcore up a hair, and repeat the process over again.
Edited by Ramsey77 - 4/17/12 at 7:10pm
 
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post #445 of 6499
well i read the 1st 3-4 pages, and 4.5 seemed reasonable, but they didn't seem to be watercooled /shrug

and based on those pages, yeah i ran a 10 minute prime 95 burn test (i know not 24hrs, but maybe after i hit cap in tera ^^) and CPU temps went up to around 79degrees C

No error's on any cores so i guess that's good? yeah overclocking noob here, i shant deny it.
post #446 of 6499
Quote:
Originally Posted by Shepardg View Post

Howdy folks, new to the forums but i was wondering what sort of over clock i should consider safe, and what the best way of achieving it would be.
3820k
Asrock extreme4-m mATX mobo
16gig corsair lopro ram (1600)
and an corsair H70 closed system water cooler
I've got it currently bumped to 4.56ghz with a BLCK of 120 and a ratio of 38
my Vcore voltage is sitting around 1.42-1.38
I'm wondering if this is decent? or should i tone it down, or go higher?
also what's the best way to test the reliablity/stability of any overclocks that i preform?
thanks in advance guys ^^

Your post needs to be in a new thread, then you'd get more help/ replies.
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post #447 of 6499
Quote:
Originally Posted by Shepardg View Post

well i read the 1st 3-4 pages, and 4.5 seemed reasonable, but they didn't seem to be watercooled /shrug
and based on those pages, yeah i ran a 10 minute prime 95 burn test (i know not 24hrs, but maybe after i hit cap in tera ^^) and CPU temps went up to around 79degrees C
No error's on any cores so i guess that's good? yeah overclocking noob here, i shant deny it.

Somewhere back there "custom" straps were said to be stayed away from (if your board has it as an option, disregard this). Generally we are using either a stock 100 BC strap, or moving to 125 (as it is a default choice for most boards). If you wanted to stay with 4.5Ghz just use 125 strap and a 36 multi. In my opinion, your vcore needs to be fine tuned. You should be able to get stable at a much lower Vcore, which would bring your temps down considerably. For instance, I use 1.32v for 4.625Ghz (125x37). thumb.gif

Edit: Finally ran IBT (This has nothing to do with quote above):

426
Edited by Ramsey77 - 4/17/12 at 7:30pm
 
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post #448 of 6499
Awesome ^^ thanks for the tip, that's my project for tommorow evening. I reset it back to stock for the evening, but i'm gonna try and get the Vcore down to more reasonable levels. I also think i might have made a rookie mistake when assembly my build

In the process of mountain the CPU block/pump, I used the stock thermal paste, AND a couple of dabs of arctic silver. is it possible that too much thermal paste could be impeding my heat transfer? this is honestly my 1st build with a watercooler, (even though the h70 is relatively simialr to, installation wise, as an aftermarket CPU cooler) so i wasn't sure. :/

I think a stable 4.6 at 1.32v would be a great OC to run at personally. what sort of temps should i be looking at for idle? and for prime95 running?

and again thanks, i realize this is probably not in the right thread.
post #449 of 6499
Nope, you are in the correct thread, as it is just a collection of people oc'ing the 3820. There are a bunch of Thermal Paste tutorials on YouTube, so you can actually SEE what is going on instead of pictures. It helped me out big time. (Got it down to a science now rolleyes.gif). The thing I'm not sure of is mixing the TIM. I would just stick with one kind at a time. I use about a pea size dab right in the middle of the die and let the cooler base smash it out. Some people with lift it up to look, but i just let it be. Your temps should be around 65 or so at full tilt. (I am guessing here, as I have no experience with the H70).

This is my cooler in a basement with ambients ~20c .....The hottest core hit 63.

338

Intel Burn Test (referred to as IBT) is another free program that hits hard. My temps were a bit warmer with it, but not bad at all. I post a pic of this ^^^^^ up there aways.
I think your H70 should be comparable, if not a bit better, depending on your ambient temp. Hope this helps shed some light for ya. thumb.gif
Edited by Ramsey77 - 4/17/12 at 7:43pm
 
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CPUMotherboardGraphicsRAM
Intel i7 3820 @4.75 Asus Rampage IV Gene X79 EVGA GTX 670 FTW Signature 2 16Gb GSkill Ripjaw X 1600 @1666 
Hard DriveHard DriveHard DriveOptical Drive
Crucial M4 128Gb Seagate Barracuda ST1000DM003  Mushkin Chronos Enhanced Deluxe 60Gb Samsung BluRay drive 
CoolingOSMonitorKeyboard
Xigmatek Dark Knight 2 Nighthawk Edition Windows 7 Home Premium 64Bit Asus PA248Q Ideazon Merc Stealth 
PowerCaseMouseMouse Pad
Corsair AX-750 Coolermaster HAF Xb Mionix Naos 8200 X Trac Ripper XXL 
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Creative Labs Titanium Pro to Pioneer Amp Lamptron FC5V2 Fan Controller KLH 3-way 8-inch Bookshelves / Sennheiser HD-555 
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post #450 of 6499
Quote:
Originally Posted by Shepardg View Post

Awesome ^^ thanks for the tip, that's my project for tommorow evening. I reset it back to stock for the evening, but i'm gonna try and get the Vcore down to more reasonable levels. I also think i might have made a rookie mistake when assembly my build
In the process of mountain the CPU block/pump, I used the stock thermal paste, AND a couple of dabs of arctic silver. is it possible that too much thermal paste could be impeding my heat transfer? this is honestly my 1st build with a watercooler, (even though the h70 is relatively simialr to, installation wise, as an aftermarket CPU cooler) so i wasn't sure. :/
I think a stable 4.6 at 1.32v would be a great OC to run at personally. what sort of temps should i be looking at for idle? and for prime95 running?
and again thanks, i realize this is probably not in the right thread.

clean all the old time off both the cooler and cpu. Then apply a peasize amount of artic silver. You can have too much tim. Tim is meant to fill in the imperfections and help the heat transfer across those. If there is too much it won't transfer.
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