BlueJay37
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 12:44:56
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Anyone know how to downgrade from 2.04 or 2.05 to 2.02? I attempted to rerun the 2.02 firmware patch but it doesn't seem to do anything.
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burningrave101
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 13:12:02
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BlueJay37
Anyone know how to downgrade from 2.04 or 2.05 to 2.02? I attempted to rerun the 2.02 firmware patch but it doesn't seem to do anything.
The board has three BIOS's for a reason ;).
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icebob
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 13:20:10
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Got an easy fix! run the rig cold and boot higher than 1.7v, no spikes!!!
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nachtfalke00
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 13:50:11
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icebob
Got an easy fix! run the rig cold and boot higher than 1.7v, no spikes!!!
Yes, because the cpu vcore in this case is highest than spikes (1,683v ).. but for this voltage need liquid nitrogen or cascade...
post edited by nachtfalke00 - 2013/10/04 14:03:06
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Luigi408
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 13:57:59
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Yikes. I don't want my X79 to kill my $600 when it gets here next week. I'll make sure I don't use bios 2.04 or 2.05. Thanks for the heads up, I hope it gets fixed soon.
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burningrave101
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 14:18:52
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Luigi408
Yikes. I don't want my X79 to kill my $600 when it gets here next week. I'll make sure I don't use bios 2.04 or 2.05. Thanks for the heads up, I hope it gets fixed soon.
There are people that run high voltages for over a year 24/7 in order to reach 5Ghz clocks without killing their CPU so I'd say at the most it would just cause a marginal increase in CPU degradation if you're someone that restarts your computer a lot because judging by the video it only happens for a fraction of a second during the POST cycle. And I'd like to believe that EVGA's engineers are surely smart enough to realize they'd need to pull the BIOS update if it's in fact something that could potentially kill CPU's. Also I'd still like to hear from EVGA whether the CPU itself is even receiving the higher voltage at POST or if the test point is just reading the voltage the board/VRM is receiving. It could be some sort of power conditioning or break-in that takes place at POST since Jacob said it was a feature to improve overclocking with the VRM circuitry.
post edited by burningrave101 - 2013/10/04 14:39:47
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doorules
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 14:28:53
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I have never heard of anyone running a cpu at 1.5- 1.6 Vc plus for extended periods of time ( days, weeks, not benching) to stay at 5.0 on x79 platform. I know of a couple of guys who get away with approx. 1.43 Vc for 5.0 24/7 but they are really the exception I think. I need to be at 1.48 Vc to be stable for benching at 5.0 on my rig.
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Luigi408
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 14:29:16
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Yeah. I watercool my CPU and I've run my 920 at 1.45v for more than a year. Just want to make sure that this is researched and tested out throughly before I start overclocking like crazy lol.
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icebob
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 14:45:01
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nachtfalke00
icebob
Got an easy fix! run the rig cold and boot higher than 1.7v, no spikes!!!
Yes, because the cpu vcore in this case is highest than spikes (1,683v ).. but for this voltage need liquid nitrogen or cascade...
LN2 cheap around here... 70$ for 150 liters!
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nachtfalke00
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 14:55:10
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nice:D you are lucky ...i pay 3 euros( 4 $ ) / litre here in Germany
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cisco0623
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 19:48:31
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OK, so members confirmed similar boards from other manufacturers do not do this. I am curious how this is going to be handled. I have a feeling the majority of users will not be satisfied with calling it a feature. This is a slippery slope for both EVGA and its customers...
All we need is a well known reputable hardware site to bring this to light, otherwise its going to get the silent treatment.
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burningrave101
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 19:59:44
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Based on Jacob's post though this appears to be something they've added in to their new Z87 offerings as well and so if true that would mean there is a benefit from having it and so we just need a little more in-depth clarification as to the reason for it and if it poses a risk for CPU degradation.
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manojks
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/04 22:07:51
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Alright i'll try 1.14 for now. I think i lost 2.02 since i only had 3 Bios to switch from.
EVGA X79 DARK | Intel i7-3960X | EVGA TITAN SC | EVGA NEX 750W Gold | Crucial Ballistix Elite 16GB | Pioneer BDR-206M | Pioneer DVR-217J | Audioengine DAC-D1 & AE5+ | Crucial M500 480GB
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_REAPER_
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 03:01:14
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This issue is keeping me from buying this mobo I hope they get it resolved
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rebelderock
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 03:52:02
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Jacob, please. We expect a lot of clarification! We expect a lot of talk, from you, about this ''feature''.
Please, enlight us.
Coming soon: Intel core i7 4930k, EVGA X79 Dark, 2X EVGA Gtx Titan Sli + ACX Cooler and backplate
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Maeximum30
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 05:08:06
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nachtfalke00
icebob
Got an easy fix! run the rig cold and boot higher than 1.7v, no spikes!!!
Yes, because the cpu vcore in this case is highest than spikes (1,683v ).. but for this voltage need liquid nitrogen or cascade...
yes, but for longer durations than 0.5 sec. I like the Board much more then my Rampage IV Extreme.
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nachtfalke00
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 05:23:16
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OK Guys ...I did some investigations about this and asked another people much more advanced in this area than me! he is a great overclocker ( one of the best ) and he want to be anonimus.
i told him about this issue called "feature" , and he said this is not normal ...is 100% manufacture fault ..has to do with pwm design/ pcb traces...or something changes at the pwm frequency in actual bioses ...because the previouses bioses it haven´t this spikes , he said also this spikes can degraded our cpu´s in time ...and first symptoms at degradation setup become unstable in time at same settings ...the chip to be stable need incerease vcore and so on, he said also this is not a feature it is a issue 100%.
i called a teammate..i know he has a intel D-Z87klt board ..he has measured ( from ferite chocke)the cpu vcore durring boot and windows load at different settings bclk/multi ..and have none of these issue like boot up voltage spikes.
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rebelderock
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 06:12:14
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EVGA, WE ARE WAITING FOR YOU TO EXPLAIN IN DETAIL. THANKS.
Coming soon: Intel core i7 4930k, EVGA X79 Dark, 2X EVGA Gtx Titan Sli + ACX Cooler and backplate
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bdary
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 06:28:15
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BlueJay37
Anyone know how to downgrade from 2.04 or 2.05 to 2.02? I attempted to rerun the 2.02 firmware patch but it doesn't seem to do anything.
If you have the ZIP folder with revision 2.02, then you can reflash to that revision. My suggestion is this, boot into Windows, then go move the bios selector switch to the position (1,2, or 3) you want to flash to. Then run the flash tool as instructed on the OP. If you plan to re-flash to the same bios chip you booted on, make sure you loaded the bios default settings prior to flashing.
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cisco0623
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 08:03:54
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A lot of BS flying around here all of a sudden. Let's see if we can't get some official clarification on this and not anonymous elite overclockers opinions....
Rebelderock, do you work for asus or something? You are very passionate about this yet I read you don't even own the dark?
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nachtfalke00
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 08:22:47
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cisco0623
A lot of BS flying around here all of a sudden. Let's see if we can't get some official clarification on this and not anonymous elite overclockers opinions....
Sorry guys for this , but this issue is real confirmed by many x79 dark users...we just waiting response about this from EVGA bios/project team , because they are most able to say something about the "dark" if they confirmed to use these bioses on our boards in the future and would be not a potential danger for our cpu´s in time with this voltage spikes ...all is OK from my point of view. but this announcement MUST be done OFFICIAL in forum
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manojks
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 08:44:12
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EVGA X79 DARK | Intel i7-3960X | EVGA TITAN SC | EVGA NEX 750W Gold | Crucial Ballistix Elite 16GB | Pioneer BDR-206M | Pioneer DVR-217J | Audioengine DAC-D1 & AE5+ | Crucial M500 480GB
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MiRai
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 12:00:50
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manojksDidn't Jacob already do that in rebelderock's thread ?
http://forums.evga.com/FindPost/2033940 From what Jacob is saying in that thread, this only occurs when the multiplier is set higher than 41x. Linuxrouter from the second post of this thread showed a similar result, but can anyone who has a DMM and is willing to put their CPU through some more testing see if the spikes persist when using a set amount of voltage across multiple multipliers? If this only occurs when setting the multiplier greater than 41x, can we assume that OC'ing via BCLK is the safest method in order to avoid these voltage spikes?
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bdary
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 12:15:03
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Your logic makes sense "if" what Jacob said is fact. And if it also applies to both SB-e & IB-e. On my 3820, I found no noticable difference from revision 2.02 and later. So to just play it safe, I'll be sticking with 2.02 for now. I tried using my DMM yesterday, but it's either too old or to cheap. It doesn't read AC voltage that low with enough accuracy... 
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rjbarker
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 13:12:10
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doorules
I have never heard of anyone running a cpu at 1.5- 1.6 Vc plus for extended periods of time ( days, weeks, not benching) to stay at 5.0 on x79 platform. I know of a couple of guys who get away with approx. 1.43 Vc for 5.0 24/7 but they are really the exception I think. I need to be at 1.48 Vc to be stable for benching at 5.0 on my rig.
^^^ Agreed, here are my "stable voltages" using Offset Mode: 4.7 Ghz - 1.344v 4.9 Ghz - 1.398v 5.0 Ghz - 1.475v Of course Offset Mode means at the desktop or anything but 3D rendering or Video Encoding,I'm pretty much always at 1.2 Ghz .898v
I9 12900K EK Velocity2 / ROG Z690 Apex/ 32G Dominator DDR5 6000/ Evga RTX 3080Ti FTW3 EK Vector / 980 Pro 512G / 980 Pro 1TB/ Samsung 860 Pro 500G/ WD 4TB Red / AX 1600i / Corsair 900D & XSPC 480 * 360 * 240 Rads XSPC Photon 170 Rez-Vario Pump Combo - Alienware 3440*1440p 120Hz/ W11
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icebob
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 16:15:52
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cisco0623
A lot of BS flying around here all of a sudden. Let's see if we can't get some official clarification on this and not anonymous elite overclockers opinions....
Rebelderock, do you work for asus or something? You are very passionate about this yet I read you don't even own the dark?
Amen!
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rebelderock
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/05 18:11:50
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cisco0623
A lot of BS flying around here all of a sudden. Let's see if we can't get some official clarification on this and not anonymous elite overclockers opinions....
Rebelderock, do you work for asus or something? You are very passionate about this yet I read you don't even own the dark?
No man, i don't work for asus lol. I have set up my Dark yesterday! and guess...... FF code on boot and can't post........ no comment....... Why am i very passionate? because we gave a lot of money for a premium brand. And we expect the top. For the voltage spikes, still waiting for a DETAILED clarification to be posted HERE from EVGA.
Coming soon: Intel core i7 4930k, EVGA X79 Dark, 2X EVGA Gtx Titan Sli + ACX Cooler and backplate
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nachtfalke00
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/06 04:24:20
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got a ivy-e 4930k friday ..tested and same problems about "spiky feature" no matter what you put in the "dark" socket IVY-E or SB-e rebelderock
I have set up my Dark yesterday! and guess...... FF code on boot and can't post........ no comment.......
if you use bios for SB-E (v1.14)and have IVY in socket got FF code is normal because in not compatible bios with cpu microcode , need switch to bios_sel3( support ivy) and than updating bios to last version...if you want.
so , i play today with different settings on mine 4930k bios v2.05, cooling was water custom loop:
- 1.25 strap works fine i push the bclk to ~143( maximum for 1.25strap) and i can say is OK ...cpu required more vcore ~ 0.03v ( 30mv) compared same freq 47x100
- ran 2666cl9 4x4gb tridentX without problem , but over this value i can´t boot anymore , or if i boot i am stuckt to 79code ...this can be IMC cpu limit , but i´m not sure ...need test the chip on R4E to be sure.
- 1.67 strap can´t post ...code "bd"followed by restart , boot alone again and stuckt to "FF" code ... need force shutdown and clear_cmos or directly c_mos, for me seems to be a mainboard limit /wall..can´t bootup 1.67strap
- fund again a little buggy value in bios ...or is feature i dont know ... anyway is not so very important for me : set 33x 142.5bclk = 4702mhz ( the value depends by mb to mb because each manufacture set "cpu clock generator" different) so evga show in bios main tab cpu clock to 4,68ghz in windows 4695-4697 is normal ...but if you look in bios at Target Cpu Freq show 4587
@icebob what is the highest bclk value you have did it on "dark" ? even on cold ( ln2) ? can you boot with 1.67strap? thanks!
post edited by nachtfalke00 - 2013/10/06 06:15:08
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rebelderock
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/06 06:35:03
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i switched to the correct bios, wich is bugged. No post and only FF. Requested to EVGA a new bios chip with updated bios. I hope it will do the trick.
Coming soon: Intel core i7 4930k, EVGA X79 Dark, 2X EVGA Gtx Titan Sli + ACX Cooler and backplate
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BlueJay37
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Re: EVGA X79 Dark _cpu voltage spike issue with bios v2.05/v2.04
2013/10/06 15:30:12
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This thread has me concerned and I don't even know enough about this area to know if I should be concerned or not :) If this is all a big misunderstanding I don't know why EVGA doesn't just make a "Jacob already said this is as intended. The voltage spike by itself will not damage your processor" post.
I can't seem to get the firmware to downgrade to 2.02. Every time I run the flash program and hit 'Y' the box disappears immediately and the system reboots. For now I have moved my multiplier back to 41 from 43, because at least a few posts mention that multipliers of 41 and below do not cause the spike problem. I hope they are correct.
A 43 multiplier doesn't seem very aggressive and I have no thermal problems at all apparently, so I am a bit disappointed to have to do this with a $400 motherboard. Its better than possibly damaging a $600 processor.
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