Good OC for a 285 in tri sli?Post Date: 2009-02-26 |
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LDLD 
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Joined: 01 Feb 2009 Online Status: Offline Posts: 355 |
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 Topic: Good OC for a 285 in tri sli?Posted: 26 Feb 2009 at 11:21am |
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Since DS uses the XFX edition of the 285, what's a good OC in your opinion?
My setup is 965 i7, Asus Ramp 2, 1200 Watt PSU, Stage 3 cooling for 3 GPUs, 2x300 Veloci in raid 0, 6GB Ram @1866 Also, I didn't think about this but should I get the memory OC'd too? I'm in Stage 5, phase 2 at the moment... |
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DST4ME
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Joined: 14 Apr 2008 Online Status: Offline Posts: 36758 |
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Posted: 26 Feb 2009 at 3:04pm |
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LDLD its pointless for you to OC your GPUs, you are not going to benefit from the OC yet the extra head the OC will produce could hurt your performance
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<8) slunK parade
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Joined: 20 Jan 2009 Online Status: Offline Posts: 798 |
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Posted: 26 Feb 2009 at 6:28pm |
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when youve alreeady got the fastest setup you can buy theres no need my friend 8)
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JamesAstro
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Posted: 27 Feb 2009 at 12:43am |
I have three 280 GTX's, and here are my overclock settings: Core Clock: 647 Shader Clock: 1392 Memory Clock: 1111 |
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Velox, Intel Core i9 11900K, ASUS ROG Maximus XIII Hero
32GB RAM, 1TB Samsung 980 Pro NVME RTX 4090, 38" Ultrawide LG-38GL950G Noctua NH-D15S cooler and NF-A14 fans, Corsair AX1600i PSU |
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LDLD
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Posted: 27 Feb 2009 at 1:03am |
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the 285 base core clock is 648 i believe
do you run Crysis, if so how is it? :D Edited by LDLD - 27 Feb 2009 at 1:04am |
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LDLD
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Posted: 27 Feb 2009 at 6:37am |
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So I've been browsing this thread:
http://www.overclock.net/nvidia/448771-285-gtx-graphics-card-12.html And the highest I saw that was stable was 756/1656/1368. People are saying the shader can't maintain at 17xx. |
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LDLD
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Posted: 28 Feb 2009 at 9:31am |
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guys, anyone else have an opinion on this matter? I don't think it's uncommon to OC a GPU right? If you have LC and blah blah, why not? I figure I should get my money's worth since I'm shelling out nearly 10k.
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SunfighterLC
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Joined: 18 Feb 2008 Online Status: Offline Posts: 1527 |
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Posted: 28 Feb 2009 at 10:35am |
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Its best to get tuning software and doing small bumps and loading a intense game or Vantage (3dmark) and checking for artifacts or heat issues. id start at say 650 (not a huge bump, but just to get an even number). And then start going up by 5's. Tedious, but effective. With 3 cards you have a decent chance of getting a card that wont OC too great, and drag the other 2 down.
My 280 GTX SLI FTW settings:
701/1525/1255 fan speed is on auto, i dont like to push the loud noises thank you.
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E8500@ 4.03Ghz
XFX 790i Ultra 1000W Corsair HX 2 280 GTX EVGA FTW 4GB OCZ Reaper 1800Mhz 250-80-300GB VR HD Logitech Z-2300 2.1 Speakers Asus Xonar 7.1 Hanns-G HG 281D 28" HDMI Monitor |
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JamesAstro
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Posted: 28 Feb 2009 at 3:49pm |
I say go for it! There is nothing wrong with a moderate overclock as long as you keep your eye on the temperatures. Maybe you don't "need" the extra speed with 3 cards, but then again do any of us really "need" liquid cooling or 10,000 RPM hard drives. Let's admit it: Nobody "needs" a gaming machine that costs several thousand dollars. This is about having fun, and overclocking the GPU is part of that fun. |
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Velox, Intel Core i9 11900K, ASUS ROG Maximus XIII Hero
32GB RAM, 1TB Samsung 980 Pro NVME RTX 4090, 38" Ultrawide LG-38GL950G Noctua NH-D15S cooler and NF-A14 fans, Corsair AX1600i PSU |
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LDLD
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Posted: 04 Mar 2009 at 4:02am |
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so the rig is @4.06 Ghz, 3x285s@700/15xx/13xx (can't remember exactly). I felt like it would be higher though since I have LC and blah blah.
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DST4ME
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Posted: 04 Mar 2009 at 4:04am |
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Actually that is very good LD, you got one of the highest OCes I have seen and you have heat from 3 GPUs in that box, you should be very happy IMO
  
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LDLD
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Posted: 04 Mar 2009 at 5:11am |
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I am definitely. I'm thankful for DS working hard on the rig but since I am not very knowledgable on this stuff, I'm just basing my opinion literally on what other people have been able to get OC-wise.
Actually, when I asked on Overclock.net, one guy said 700/1600/1400 -ish would be good. Some said the memory thing (not sure what he meant) needed to be pushed especially. |
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DST4ME
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Posted: 04 Mar 2009 at 5:15am |
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Well if they have your system stable then the settings are what they need to be, you can always push the CPU OC but otherwise I would not mess with the settings
the GPU OC you can push if you like,. with 3 of them to begin with, you don't really need the OC, other then benchmarks, I doubt if you would notice the difference in games. Edited by DST4ME - 04 Mar 2009 at 5:16am |
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LDLD
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Posted: 04 Mar 2009 at 7:22am |
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when you OC something, like the CPU for example, do you just press something onscreen and go thru trial/error?
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DST4ME
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Posted: 04 Mar 2009 at 7:41am |
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no, CPU OC is totally different then GPU OC.
with GPU your just raise the core and shader a bit along with memory and you keep going till GPU is not stable anymore, then you know you have hit ceiling, then you start to lower it from that point to get stable, in the mean time you have to keep an eye out on the gpu temps. |
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LDLD
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Posted: 05 Mar 2009 at 7:29am |
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But as to the CPU, consider I have the i7 965 w/ the Asus Ramp 2, and all that cooling. Shouldn't it be higher?
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LDLD
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Posted: 05 Mar 2009 at 10:24am |
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Ok, this intrigued me a bit..
This guy on the following forum post has these stats: Core i7 965 Extreme [email protected] (1.48v) / Asus Rampage II Extreme 12GB Patriot DD3-1600@1724 9-9-9-25 (1.7v) / 2 WD Velociraptor 300GB SATA 16M Cache in RAID 0 3 EVGA GTX 280 SSC TRI-SLI 740/1540/2460 / SoundBlaster X-FI Titanium PCIe 3 Bay 4 drive SATA Backplane / 2 Samsung DVD Drives / 1100W Cooler Master UCP Power Supply Mozart TX / F-Inc 28" monitor (Hanns-G) Kind of similar to mine. I have the 1200W PSU. 6GB 1866 Corsair. And 285 instead of 280 in Tri Sli. But he OC'd his further. I see he has used some mods, probably a given. Can DS do the same type of modding for my rig? http://forums.anandtech.com/messageview.aspx?catid=31&threadid=2256201 |
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LDLD
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Posted: 05 Mar 2009 at 10:45am |
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well he posted screenshots and entered it into some sort of evga sponsered contest. i think its legit
but from re-reading the thread, he apparently didnt use mods. |
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BillDempsey
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Joined: 31 Jan 2009 Online Status: Offline Posts: 399 |
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Posted: 05 Mar 2009 at 11:54am |
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There are so many variables that you really can't say one way or the other how he reached that speed. Every chip off the assembly line overclocks differently, so maybe he got really lucky. Every motherboard is different, too. Every GPU is different. He may have $5k invested in a giant water cooling system with the whole machine running inside a walk-in refrigerator, too. His system may also crash every 4 minutes, but he doesn't care because he doesn't actually use it for anything other than trying to get higher overclocks. There are people like that.
Your overclock is excellent and stable, as-is. Why mess with a good thing when it only has the potential to cause you heartache and headaches? If it were mine, I'd leave it alone and start using it. |
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LDLD
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Posted: 05 Mar 2009 at 11:58am |
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I'm not upset or anything. Just wanted to see if it were possible. D:
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BillDempsey
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Posted: 05 Mar 2009 at 12:07pm |
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If I was rich and could afford to run my computer inside a refrigerator, I might try that myself.
 Talk about reducing ambient temperatures! I'd put the whole thing inside a chest-type freezer and run the cables for the power, keyboard, mouse, external DVD drive, and screens out through a hole in the side. You would have to leave the thing completely sealed or condensation would kill it. I bet you could get amazing overclocks on every single component. CPU, memory, cards, GPUs. Time to win the lottery and find out. |
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LDLD
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Posted: 05 Mar 2009 at 12:20pm |
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people do that?D:
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Dsnewb210
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Posted: 05 Mar 2009 at 2:25pm |
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Phase change or LN2.. Ive also read about some units remaining very cool via liquid submersion. Or you could do this...
  Edited by Dsnewb210 - 05 Mar 2009 at 2:48pm |
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LDLD
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Posted: 05 Mar 2009 at 2:39pm |
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i think ill move to alaska and build an igloo around my PC
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BillDempsey
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Posted: 05 Mar 2009 at 6:36pm |
OMG that is a riot!!!!! Talk about air flow! I bet the thing hovers off the floor if it falls over. That's one of those cases where I would get the loudest fans I could find just to make it more obnoxious, because that is obviously made for the shock value of it. Crap probably starts flying around the room when he turns it on! Edited by BillDempsey - 05 Mar 2009 at 6:39pm |
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LDLD
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Posted: 18 Mar 2009 at 7:28pm |
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Hey guys,
I just got my results back and I'm disappointed. I originally was told that my OC was 4.06 GHz for the i7 965, and 700/15xx/13xx(might have been 12xx tho) for the 3 285s. But I requested DS try to go higher (if possible). I think it's been 2 weeks since then, can't remember when exactly I asked. But is it normal that the OC would get lower? I just got my stage 7 email and the CPU is @3.8 instead of the original 4.06. Edited by LDLD - 18 Mar 2009 at 7:29pm |
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tman5890
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Posted: 18 Mar 2009 at 7:50pm |
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They might have encountered a problem during testing at 4.06 but 3.8 is a great OC in my opinion. Besides you wouldn't notice the difference anyway.
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LDLD
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Posted: 18 Mar 2009 at 7:53pm |
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I think the specs are fine in and of themselves, but when I reconcile the price I paid (9k-ish) with the results - I'm not satisfied.
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LDLD
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Posted: 18 Mar 2009 at 7:57pm |
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Here are the specs:
Idle: 51C Overnight Load: 84C Important Notice: Overclocked systems will definitely run hotter than stock units. Your unit has been tested to be fully stable in our stress-test facility at these temperatures. Overclocked Processor Settings Processor Speed GHz: 3.874 CPU Multiplier: 25X Voltage CPU VCore: 1.45 VDroop Control: i7 - BCLK MHz: 155 i7 - Voltage QPI\DRAM: 1.48125 i7 - Voltage QPI\PLL: 1.69656 i7 - Voltage CPU VTT: i7 - Voltage IOH Vcore: i7 - Voltage ICH Vcore: i7 - Voltage IOH/ICH I/O: i7 - PWM Frequency: 780i/790i - Memory Clock Mode: 780i/790i - CPU FSB MHz: 780i/790i - Voltage FSB: 780i/790i - Voltage SPP: 780i/790i - Voltage MCP: Overclocked Video Card Settings Core MHz: 700 Memory MHz: 1200 Shader MHz: 1544 Motherboard BIOS: SZ1N Video Card Driver: 182.06 Chipset Driver: CD Sound Card Driver: CD -- I am confused why is it so hot? With max LC that DS offers and based on what I have read about the 965 being easy to OC? |
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LDLD
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Posted: 18 Mar 2009 at 8:08pm |
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Whoops, forgot to add my system specs:
Processor: Intel Core i7 Extreme Edition 965 3.2GHz (Quad Core) (Extreme Performance) Motherboard: ASUS Rampage II Extreme (Intel X58 Chipset) (Supports Triple SLI or CrossFire) System Memory: 6GB DDR3 1866MHz Corsair Dominator DHX (High-Performance) Power Supply: CLEARANCE HOT SELLER: 1200W PC Power & Cooling (Dual/Triple/Quad SLI Compatible) Hard Drive Set 1: Operating System: 2x Two (300GB Western Digital VelociRaptor (10K RPM) (16MB Cache) (Extreme Speed) Set 1 Raid Options: Configure Hard Drive Set 1 in a Raid 0 Stripe (Requires Two Hard Drives) Hard Drive Set 2: Multimedia\Data: 300GB Western Digital VelociRaptor (10K RPM) (16MB Cache) (Extreme Speed) Hard Drive Set 3: Backup\Misc.: - No Thanks Video Card(s): 3x SLI Triple (NVIDIA GeForce GTX 285 1GB) (Includes PhysX Technology) Sound Card: Creative Labs X-Fi Titanium Fatal1ty Professional (PCI-Express Slot Based) Extreme Cooling: H20: Stage 3: Specialized FrostBite Separate Dual Loop System for CPU & Three Video Cards |
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tman5890
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Posted: 18 Mar 2009 at 8:34pm |
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The 84c is the highest that your pc will get at the most extreme settings so I don't think you'll have to worry about that. Most of us get max temps like that, too.
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LDLD
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Posted: 18 Mar 2009 at 8:39pm |
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But why is the OC so low? Why not just get a 920? I'm saying all this under the context of the parts I ordered and the price I paid.(Not saying I'm unhappy *in general*)
Edited by LDLD - 18 Mar 2009 at 8:40pm |
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tman5890
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Posted: 18 Mar 2009 at 9:27pm |
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Well a 965 is still better than a 920 because it has a higher QPI and also you can OC the 965 higher. People who go with the 965 usually want whatever performance boost they can get and if I had the money I would get it too. Although I probably would get the 920 and then upgrade to the 975 later.
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LDLD
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Posted: 18 Mar 2009 at 9:35pm |
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I agree. The 965 is better, but that wasn't what I meant.
With the OC and the high temps, wouldn't it be a case of diminishing returns to get the rig I ordered? I think the issue is the cooling. I know people can get unlucky with parts and DS doesn't make the parts. It just seems really really high. From what I've read on Overclock.net, this is unusually high. |
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tman5890
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Posted: 18 Mar 2009 at 9:55pm |
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As it has been said in other threads, I doubt that your computer will ever get that hot but if it does you don't have to worry because you're covered by warranty for 3 years. You might not even use that processor in 3yrs or that computer but if you do you still have life-time tech support so you can always call DS for help. Sure Overclock.net may say that it's unusually high but they're not the ones making your computer and making sure that it's stable, are they?
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