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i7 3820 - 4820 Overclock Club - Page 227

post #2261 of 6491
I'm certain I have one of the worst 3820 (Malay) out there, if I use 1.25 or more strap, it won't boot at all, even if I underclock the base clock, to keep this short, I'm severely limited to 43x multipler and 1.00 strap, giving me the max speed of 4.3Ghz, anymore than that, it won't boot, and if it does, it locks up shortly after Windows has loaded.

MSi's ControlCenter software tells me that it's an Engineering Sample (That's what ES means, right?), it says "Intel Core i7-3820 CPU @ 3.60GHz (ES)", but when I open up CPU-Z, it makes no mention that it's an ES anywhere, just a normal 3820. (The CPUID is 6D7, 2D Ext Model and the revision is C2, if that helps.)

The motherboard is a MSi X79A-GD45 (8D) with the latest BIOS, V10.7.
Edited by Idarzoid - 1/27/13 at 7:25pm
post #2262 of 6491
Thread Starter 
Quote:
Originally Posted by kizwan View Post

wubsmiley.gif
Agreed

Quote:
Originally Posted by Wookieelover View Post

Thanks for that mate +rep.

Currently cooling my 3820 with a modified kuhler 620 system. 120.1 60mm push/pull Getting 70c @ full IBT load with 30c ambients.

Have a 140.5 60mm push/pull system to fit soon, with a koolance 380i and 355x pump/res.
How much could i expect max load temps to drop from the current setup?

Forgot to say cpu is running 4.6ghz @ 1.360vid. Pics up later when i get home.
Anytime I can help i will thumb.gif That sounds alright , guestimate about 3c
Quote:
Originally Posted by LayerCakes View Post

Ahh okay.. is this any good for a Costa? Also, what do you use to cool when running voltages of 1.5+?
Yep that looks GOOD and really the way to go is custom water which you have I thinks weirdsmiley.gif
Quote:
Originally Posted by Idarzoid View Post

I'm certain I have one of the worst 3820 (Malay) out there, if I use 1.25 or more strap, it won't boot at all, even if I underclock the base clock, to keep this short, I'm severely limited to 43x multiple and 1.00 strap, giving me the max speed of 4.3Ghz, anymore more than that, it won't boot, and if it does, it locks up shortly after Windows has loaded.

MSi's ControlCenter software tells me that it's an Engineering Sample (That's what ES means, right?), it says "Intel Core i7-3820 CPU @ 3.60GHz (ES)", but when I open up CPU-Z, it makes no mention that it's an ES anywhere, just a normal 3820. (The CPUID is 6D7, 2D Ext Model and the revision is C2, if that helps.)

The motherboard is a MSi X79A-GD45 (8D) with the latest BIOS, V10.7.
If its a ES it will be written on top of the chip like this.........

Old software not recognising chip then calls it a ES don't worry a lot of unupdated temp sensor progs do this and you might have a DOG 3820 to boot bummer dude tongue.gif
post #2263 of 6491
Quote:
Originally Posted by HOMECINEMA-PC View Post

Yep that looks GOOD and really the way to go is custom water which you have I thinks weirdsmiley.gif
p



I have got a custom loop indeed wink.gif
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Delilah
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CoolingCoolingCoolingCooling
2 x EK GTX 670 DCii Block Nickel + Acetal 2 x EK FC Bridge Single Alphacool Cape Corp Coolplex Pro 10 LT Res PrimoChill PrimoFlex LRT 13mm tubing 
CoolingCoolingCoolingCooling
16 x Phobya 13/10 G1/4 Compression Fittings 3 x Corsair SP 120 Quiet Edition Fans + Akasa V... 4 x CoolerMaster MegaFlow 200mm fans Phobya Xtreme 200mm v2 Full Copper Radiator 
CoolingCoolingOSMonitor
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post #2264 of 6491
My current Vcore is set at 1.350
How would I set it up so I could run offset mode and still use that voltage ?



looking to reduce idle temps.

thanks

oh and this is my current loop

Edited by Wookieelover - 1/27/13 at 12:29pm
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post #2265 of 6491
Quote:
Originally Posted by Wookieelover View Post

My current Vcore is set at 1.350
How would I set it up so I could run offset mode and still use that voltage ?



looking to reduce idle temps.

thanks

Should be a setting in your BIOS somewhere. Instead of using "FIXED," use "OFFSET" for the voltage setting.
post #2266 of 6491
Quote:
Originally Posted by Snuckie7 View Post

Should be a setting in your BIOS somewhere. Instead of using "FIXED," use "OFFSET" for the voltage setting.

Thanks thats pretty obvious rolleyes.gif

Would like someone to explain how to set offset correctly, as it is not just as simple as changing "fixed" to "offset" or I would have done that already. thumb.gif
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post #2267 of 6491
Quote:
Originally Posted by Rbby258 View Post

Quote:
Originally Posted by zerokool_3211 View Post

were exactly are you talking about

The 4 posts that stick out of the cooler that the screws go into, you need to shorten them.

Do you mean the plastic spacer that came with the kit...the plus 2 doesn't have metal posts

Sent from my SAMSUNG-SGH-I747 using Tapatalk 2
post #2268 of 6491
There are guides here in this subforum that you can search for:

http://www.overclock.net/t/1219588/updated-part-ii-offset-mode-overclocking-starter-guide-and-thread

Here's one from Asus ROG:

http://rog.asus.com/51092012/overclocking/overclocking-using-offset-mode-for-cpu-core-voltage/

Up to you to decide whether positive or negative offset works better.
post #2269 of 6491
Quote:
Originally Posted by Idarzoid View Post

I'm certain I have one of the worst 3820 (Malay) out there, if I use 1.25 or more strap, it won't boot at all, even if I underclock the base clock, to keep this short, I'm severely limited to 43x multiple and 1.00 strap, giving me the max speed of 4.3Ghz, anymore more than that, it won't boot, and if it does, it locks up shortly after Windows has loaded.

MSi's ControlCenter software tells me that it's an Engineering Sample (That's what ES means, right?), it says "Intel Core i7-3820 CPU @ 3.60GHz (ES)", but when I open up CPU-Z, it makes no mention that it's an ES anywhere, just a normal 3820. (The CPUID is 6D7, 2D Ext Model and the revision is C2, if that helps.)

The motherboard is a MSi X79A-GD45 (8D) with the latest BIOS, V10.7.

I had a bad 3820 with the same problem that I posted about a few weeks ago, wouldn't boot at 125 strap no matter what. I exchanged it for another one and it works as expected like my other 3820.

So out of the three 3820's I've had (all Costa), two of them OC great.. both stable at 5Ghz around 1.5V.

The other one was crap, max OC of 4.4Ghz (using 43x with 104 BCLK)
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dev rig
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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) 
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Danger Den Torture Rack Logitech Performance MX Logitech Z5500 
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post #2270 of 6491
Quote:
Originally Posted by zerokool_3211 View Post

Do you mean the plastic spacer that came with the kit...the plus 2 doesn't have metal posts

Sent from my SAMSUNG-SGH-I747 using Tapatalk 2

You probably don't need to shorten the posts anyways, just make sure that its as tight as possible and that you're using enough paste.. GPU coolers typically take much more thermal paste compared to CPU due to poor contact, I've done it alot of times and I still usually have to mount more than once to get good temps on full cover GPU blocks. (non full-cover GPU blocks are typically easier to mount)

Using a better paste may help too, Tuniq TX-4 reportedly has the best performance in poor contact situations, I've been using it on my GPU's lately and it does seem to help. On CPU I use prolima PK-1 cause its cheaper.

Also you should be careful using AS5 on a GPU since its conductive.
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i7 3820 (Swiftech Apogee HD block) ASUS Sabertooth X79 GTX 670 4GB SLI (XSPC Razor blocks) 64GB Patriot Viper 1866 
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Crucial M4 SSD Custom Water, 2x D5, 2x RX360  Cougar Vortex 120mm PWM Fans Antec Spot Cool (VRM/RAM cooling) 
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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 
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i5 2500K ASRock Extreme6 Onboard 32GB Crucial Ballistix 1600Mhz 
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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 
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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 
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On Stage Stands WS8700 Workstation Various Guitars (Warmoth custom builds, Fender,... 
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