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i7 930 overclock..

post #1 of 10
Thread Starter 
Hi guys, im reading tutorial after tutorial on how to overclock but i still dont really know where to start. Do i lower the cpu multiplier and up the base clock? When it gets to QPI/VTT voltage im a little lost. Also, with the RAM....that needs changing too?

What does "Begin by going into the bios and changing your voltage to your vid" mean? That is from this thread.

My GPU is overclocked too. Does that have to be taken back to stock as it says in the thread mentioned above?

Thanks
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post #2 of 10
Not sure what that voltage to vid means, not heard that expression before. He means stock volts. As for your gpu, Personally i would take it back to stock until you have your cpu overclock in place, then work on the gpu.

Bascially with the i7 930/920 (I used to own the latter), What you have is the CPU Multiplier and the Baseclock, which is like the old FSB on socket 775. Then you have the UCLKC or Uncore Clock which is twice the speed of your ram, and that is everything that is not the cpu i believe, such as memory controller etc.

Then you have QPI, which is how cpu communicates with chipset.

All i did was change CPU ratio to 21 (with i7 920/30 they tend to overclock best with either 19x or 21x multiplier, and since multiplier goes by your Base Clock aka FSB, you want the 21x multiplier so you can have lower base clock.

So basically all you should need to change is cpu ratio, Base Clock, Ram speed, Uncore clock, QPI Rate and CPU Volt/vcore.

Check out these pics below, they were my settings on my old cpu.





Edited by $ilent - 8/21/11 at 5:16pm
post #3 of 10
Thread Starter 
Thanks very much . So you didnt need to touch QPI/DRAM core voltage?

"and setting qpi/uncore (vtt) to 1.25 (I have raised this due to concerns about droop at 1.2) and vdimm to 1.65".....

...this confuses me too. i though qpi and uncore were two different things? Also where is the vdimm settings? Is the the DRAM bus voltage?
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Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
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post #4 of 10
Quote:
Originally Posted by 8564dan View Post
Thanks very much . So you didnt need to touch QPI/DRAM core voltage?

"and setting qpi/uncore (vtt) to 1.25 (I have raised this due to concerns about droop at 1.2) and vdimm to 1.65".....

...this confuses me too. i though qpi and uncore were two different things? Also where is the vdimm settings? Is the the DRAM bus voltage?
No left QPI/DRAM alone, if you look further down DRAM Bus Voltage is your RAM voltage I believe. Good way to double check is to put 1.65 in the Dram bus voltage section, if it says can only do 1.64/66 and intel specification says etc, then you know thats your ram voltage.

As for the qpi/uncore bit (vtt), i think he is saying vtt because its got different names on different motherboards. But only one I can see that rekates to that is QPI/DRAM, again I just left this at auto.

With those few setting changes mentione earlier, I managed to get 4.0ghz from 1.30v (1.28 in windows after vdroop). I probably could have gone higher but that would have required tweaking of other voltages and I didnt bother.
post #5 of 10
Thread Starter 
Quote:
Originally Posted by $ilent View Post
No left QPI/DRAM alone, if you look further down DRAM Bus Voltage is your RAM voltage I believe. Good way to double check is to put 1.65 in the Dram bus voltage section, if it says can only do 1.64/66 and intel specification says etc, then you know thats your ram voltage.

As for the qpi/uncore bit (vtt), i think he is saying vtt because its got different names on different motherboards. But only one I can see that rekates to that is QPI/DRAM, again I just left this at auto.

With those few setting changes mentione earlier, I managed to get 4.0ghz from 1.30v (1.28 in windows after vdroop). I probably could have gone higher but that would have required tweaking of other voltages and I didnt bother.
Thanks for your help. I will give it a go anyway. Alot of the threads say about changing all these voltages and as you got 4GHz with some of them at auto, i question some methods ive seen.
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Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
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post #6 of 10
well its just one of those things, like I say I could do 4ghz with 1.30, but to get to 4.1 or 4.2ghz I couldnt, even if i went to like 1.4v if IIRC.

So tweaking will work for some people, wont for others. Try auto firstm and if not check out some of the i7 guides and see what tips they have
post #7 of 10
HI mate i found this was a really helpful tutorial to get me pushing my i7-930 pretty hard.
I'm now running at 4.2 with HT on at 1.4 its high Volts but i'm on full water so the temps are fine for gaming.

http://www.techreaction.net/2010/09/...-and-gulftown/
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Harry MkV
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post #8 of 10
Thread Starter 
Quote:
Originally Posted by spud84 View Post
HI mate i found this was a really helpful tutorial to get me pushing my i7-930 pretty hard.
I'm now running at 4.2 with HT on at 1.4 its high Volts but i'm on full water so the temps are fine for gaming.

http://www.techreaction.net/2010/09/...-and-gulftown/
Thats a good guide. Its a bit wierd though that it says to put the multiplier down first. All the others say to put it at 21x.
My Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.8 1.256v Asus P6tD Deluxe ATI 5870 12GB Corsair 1600MHz DDR3 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
OSMonitorKeyboardPower
Windows 10 64Bit Dell u2711 Blackwidow Ultimate EVGA Supernova G2 650w 
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My Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.8 1.256v Asus P6tD Deluxe ATI 5870 12GB Corsair 1600MHz DDR3 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
OSMonitorKeyboardPower
Windows 10 64Bit Dell u2711 Blackwidow Ultimate EVGA Supernova G2 650w 
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post #9 of 10
in my experience, i've found using an few different guides and taking whatever makes the most sense to you from each of them, I found this one to be systematic and logical so i could follow it. I have to admit i didn't follow it to the letter... just used it as a good place to work from.
Harry MkV
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Hard DriveCoolingCoolingCooling
OCZ Vertex 2 120 SSD + 3TB of HDDs Radiators: XPSC RASA RX240, Black Ice SR1 240, ... Mobo Cooling: 2 x Koolance MVR-40 (MB VReg), EK NB Heatkiller GPU-X³ GTX 680 LT 
CoolingCoolingOSMonitor
2 x Swiftech MCP355 12V Pump CPU: XSPC Rasa Windows 7 Pro 64bit ASUS VG236H 
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Harry MkV
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I7 3820 Gigabyte G1 Assassin 2 EVGA GTX 680 Superclock Signature  G.Skill Ripjaws 2000mhz 
Hard DriveCoolingCoolingCooling
OCZ Vertex 2 120 SSD + 3TB of HDDs Radiators: XPSC RASA RX240, Black Ice SR1 240, ... Mobo Cooling: 2 x Koolance MVR-40 (MB VReg), EK NB Heatkiller GPU-X³ GTX 680 LT 
CoolingCoolingOSMonitor
2 x Swiftech MCP355 12V Pump CPU: XSPC Rasa Windows 7 Pro 64bit ASUS VG236H 
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post #10 of 10
Thread Starter 
Quote:
Originally Posted by spud84 View Post
in my experience, i've found using an few different guides and taking whatever makes the most sense to you from each of them, I found this one to be systematic and logical so i could follow it. I have to admit i didn't follow it to the letter... just used it as a good place to work from.
Yeah im using it now . I do understand it, and it seems logical to eliminate things before straight away upping the vcore and cpu ratio. +1 for the link.
My Rig
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i7 930 @ 3.8 1.256v Asus P6tD Deluxe ATI 5870 12GB Corsair 1600MHz DDR3 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
OSMonitorKeyboardPower
Windows 10 64Bit Dell u2711 Blackwidow Ultimate EVGA Supernova G2 650w 
CaseMouseAudio
Coolermaster HAF 932 Deathadder 3500dpi KRK Rokit RP6 
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My Rig
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 @ 3.8 1.256v Asus P6tD Deluxe ATI 5870 12GB Corsair 1600MHz DDR3 
Hard DriveHard DriveOptical DriveCooling
Samsung EVO 500GB 1TB + 500GB HDD LG Bluray Writer + DVD RW Noctua u12p 
OSMonitorKeyboardPower
Windows 10 64Bit Dell u2711 Blackwidow Ultimate EVGA Supernova G2 650w 
CaseMouseAudio
Coolermaster HAF 932 Deathadder 3500dpi KRK Rokit RP6 
  hide details  
Reply
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