Running @ 4.2GHz
Bios - 1.3625 and CPU-Z shows 1.352
It has been lower but I'm not mesing around until the new motherboard turns up.
FBO/BATCH - 3005F215
EDIT bios voltage
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****OFFICIAL I7 980x HEX CORE OVERCLOCKING THREAD****
- Thread starter subbytna
- Start date
Running @ 4.2GHz
Bios - 1.3625 and CPU-Z shows 1.352
It has been lower but I'm not mesing around until the new motherboard turns up.
FBO/BATCH - 3005F215
EDIT bios voltage
Cheers for that simulatorman. Sorry I have not posted but my board (UD7) has died - now running my old UD5. Will have to get the UD7 replaced under warranty.
Mark
I had a typo on the Bios voltage it is 1.3625 and not 1.625.
Funny that because that is exactly what i thought as I knew you wouldn't be so silly Lol.
Mark
This thing is an absolute beast 
installed mine just now (replaced my Core i7-965 which I bought @ launch in Nov 2008 I will use it in my B rig probably
) its running approx 30C across all cores @ 3.6Ghz stock Intel HSF + AS5 appears to be a winner as even on Q mode the temps are good. P mode only makes 1-2C lower difference No need to buy another air HSF for this @ stock speeds
installed mine just now (replaced my Core i7-965 which I bought @ launch in Nov 2008 I will use it in my B rig probably) its running approx 30C across all cores @ 3.6Ghz stock Intel HSF + AS5 appears to be a winner as even on Q mode the temps are good. P mode only makes 1-2C lower difference No need to buy another air HSF for this @ stock speeds
Hi awpc,
Noticed you have mounted the heatsink and fan pointing towards your graphics card, is that what they suggest in the instructions as I have mounted mine with the fan pointing towards the ram slots as I thought that may assist the rear fan to expel the heat???
Just curious.
Mark
Noticed you have mounted the heatsink and fan pointing towards your graphics card, is that what they suggest in the instructions as I have mounted mine with the fan pointing towards the ram slots as I thought that may assist the rear fan to expel the heat???
Just curious.
Mark
Just experimenting! I can either blow the hot air towards the GTX480 (unwise) or the PSU. Makes little difference as even under heavy load its able to cope with anything as its finally a decent stock design from Intel plus AS5 helps a little
Not even finding it hot to touch after heavy usage This thing is an absolute beast
The box is rather big.
Post some core temps load/idle (HWMonitor) with that cooler you’ve overclocked it.
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Yeah, I'm waiting for the ASUS Rampage III, so I can plop my 980 into it from the UD7.
Soldato
- Joined
- 7 Jan 2007
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So can one of you rich guys buy me one of these?
Soldato
- Joined
- 7 Jan 2007
- Posts
- 10,607
- Location
- Sussex, UK
I already have an amd system so i'm gonna order an amd x6 tommorrow I think.
This is my last upgrade I think for a while
thats the game im playing go and buy those amd hex chips guys! ^_^
on a serious note is anyone using 12GB ram and if so tried overclocking? being extreme editions id expect uber memory chips in these cpu's
I would doubt that - don't think they will be any different to the other lesser cpu's in the line up, but afaik the extreme cpu usually made from the better quality waifers of silicon or just better binned i.e cherry picked for their speed capability etc as they come off the production line.
Of course I could be talking rubbish and if I am I am sure someone who knows better will chime in and correct me.
Mark
Will be building an i7 980x system tonight with:
Prolimatech Mega HS
Noctua x 2, push pull
12Gb corsair Dominator 1600mhz
Gigabyte UD7 board
I'm intending to go for 4.0 to 4.2ghz overclock. Anyone have any tips on BIOS settings for the Gigabyte board to achieve this?
Prolimatech Mega HS
Noctua x 2, push pull
12Gb corsair Dominator 1600mhz
Gigabyte UD7 board
I'm intending to go for 4.0 to 4.2ghz overclock. Anyone have any tips on BIOS settings for the Gigabyte board to achieve this?
Well not a huge number of replies to my help request but anyway.
My build didn't entirely go to plan. The Megahelems only came with two fan clips. Despite that the extra set would have been useless anyway. The "push" fan sits right on top of the corsair dominators! This makes the push fan sit an inch or so higher than the heat sink. After some head scratching and even thinking about dropping to 6gb of ram I decided to leave the push fan as is, tie wrap the top and use the corsair cooler to wedge the bottom tight to the heat sink! It doesn't look great but it works reasonably well.
Overclocking!
I tried to get 4.2ghz using 168 bus, 25x Multiplier and a vcore of 1.375 (plus other voltage tweaks from the web.) Windows would boot fine but Prime95 & LinX would cause a blue screen crash after a minute or so. I noticed in CPUID that my actual voltage reading was 1.35 and toyed with upping the voltage higher but with LinX my core #9 hit a max of 95deg, core #0 - 93deg which seemed a bit hot so I backed off.
Currently I'm running a long LinX test (Problem size 25000, 50 passes) with the following OC:
26X Multiplier, 160bus and 1.3625 vcore the CPUID vcore reading is 1.33v with a max of 1.34v. QPI is at 1.355. CPU is at 4.16ghz with these settings. I've got a 44x QPI which gives something around the 7ghz area.
I'm still getting max core temps on core #9 of 94deg, lowest core max of 92deg. Hopefully this is ok considering LinX seems to really push the CPU.
So far I'm about 40mins into the test. Fingers are crossed!
IF the tests pass (I'm going to try Prime95 after LinX) I will have a fiddle with the RAM which is currently running slightly relaxed timings.
Any suggestions or help would be appreciated because tbh I'm no expert with overclocking.
Questions:
I've heard that it is more difficult to overclock when you go with 12gb of RAM but I have no idea why this might be the case. Is this true?
Which is correct the BIOS voltage setting, the reading from CPUID or neither?
EDIT:
Just an update:
50 Runs with LinX have passed, I'm now running Prime95. I'm quite shocked that a core which was hitting 94deg before is now 83deg max! 11deg lower under Prime95! I'm new to LinX and have only ever stress tested with Prime95 before now, I'd always assumed that nothing could heat up a CPU more.
EDIT2:
After running Prime95 for about 3hrs I noticed that the CPU core temp on #9 had crept up to 87deg. I then realised that not only had I connected the Noctuas to the motherboard fan header (one being on the CPU header) by design but I'd also left on the LNA adapter so the fans were running slower than they should be. Removed LNAs whilse Prime 95 still running and got the temp down 3 degrees to 84deg which is .. well... better
EDIT 3:
Despite having a successful run with these settings, LinX passes and prime95 ran for about 12hrs I'm not happy with temps. I've updated the BIOS to 7e and have dropped voltages a little. Starting again with testing. My intial tests resulted in errors in LinX so I'm currently testing with 1.35000 vcore and 1.315 QPI.
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I'm at 4.26GHz with 12GB RAM, but having to run it at around 1460MHz even though it's capable of 2000MHz. Anything higher makes system unstable.
The extreme editions dont have better memory controllers or anything else, only a unlocked multi is what makes them different.
12GB puts more strain on the chips memory controller. And the only way to get a 100% accurate reading of voltage is to use a multimeter, you can pick one up for a few quid. But i wouldn't bother unless the BIOS and software readings are very different.
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my i7 930 is at 4Ghz @ 1.28
I want this 980X but i can't afford it
any advantage of running 200 Bclk over high multipler ? i see people hitting 4.5Ghz just by changing the multiplier.. after all you can still up the memory speed with the divider?.
I want this 980X but i can't afford it
any advantage of running 200 Bclk over high multipler ? i see people hitting 4.5Ghz just by changing the multiplier.. after all you can still up the memory speed with the divider?.