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How to get over 3.6 on Q6600/780i

post #1 of 21
Thread Starter 
Ok, so I learned enough from this forum that I've got my G0 up to 3.6.

My VID is 1.3125. I've got my cpu voltage set at 1.475 for 3.6, and all the other voltages are at stock. I've got 800mhz memory. Basically, if I bump up all of the other voltages a few notches (still in the green), how high can I set my cpu voltage?

And how high can I take my memory? Right now it's linked/synched. Should I not go much over 800? Would my memory crap out and give me a BSOD before my cpu did?

Basically, my temps are fine, and I just want to see how high I can take my quad, stable, and I don't know how 1)all of the other voltage settings in BIOS, and 2)my ram speed, affect my overclockability.
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post #2 of 21
I wouldn't run your voltages any higher than that or your going to be seriously killing the lifetime of your processor.

Honestly I wouldn't go above 1.45v on air, even if your temps are fine. High voltage will kill your processor even with low temps.


As for the memory, take it out of 1:1 and just ignore the divider and put it as high as you can without going over 5-5-5-15 timings. You will get better scores and FPS doing that. Timings/Dividers mean nearly nothing on that board and processor.
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post #3 of 21
Thread Starter 
Quote:
Originally Posted by Murlocke View Post
As for the memory, take it out of 1:1 and just ignore the divider and put it as high as you can without going over 5-5-5-15 timings. You will get better scores and FPS doing that. Timings/Dividers mean nearly nothing on that board and processor.
see, this is what i haven't quite figured out yet. "put it as high as you can without going over 5-5-5-15" what does that mean.

i guess I need to take RAM 101 class
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post #4 of 21
5-5-5-15 is the dividers your memory uses. when your in your bios. u should have a set of options that has memory timings.. some memory comes preset to 4-4-4-12, but 5-5-5-15 lets you run alot higher speeds at a much reduced risk of the memory having problems and making your comp bluescreen...

generally these options are in the same screen you use to overclock your compy...
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post #5 of 21
Quote:
Originally Posted by murray8144 View Post
see, this is what i haven't quite figured out yet. "put it as high as you can without going over 5-5-5-15" what does that mean.

i guess I need to take RAM 101 class
http://www.hardwaresecrets.com/article/26

They stand for CL-tRCD-tRP-tRAD, that article would be a good read if you want to know more.

Your bios will allow you to manaually adjust these in the bios under the memory settings. I would also run 2T and leave the advanced memory timings alone. Just worry about those first 4.
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post #6 of 21
Just been through all this mate. The magic formula for me was setting memory to 1066 unlinked, with 5-5-5-15 timings, the QDR at 1600, and then the SPP to 1.5 (one notch into the the red over green). Once done, I was stable in Prime95 blend for 17 minutes. I would go longer, but I need me TRUE 120 first. After the pencil mod, I only needed to set CPU vcore to 1.45 in BIOS. In my 24/7, I set it to 1.34 vcore, and I run stable on a 3.4 Ghz clock with unlinked 1066 5-5-5-15.

Hoo-ah!
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Optimus Prime 95
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post #7 of 21
Whatever you do, don't set it higher than 1.5 vcore in BIOS. Or goblins will eat your genitalia.
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post #8 of 21
Quote:
Originally Posted by Murlocke View Post
I wouldn't run your voltages any higher than that or your going to be seriously killing the lifetime of your processor.

Honestly I wouldn't go above 1.45v on air, even if your temps are fine. High voltage will kill your processor even with low temps.
All C2D's can handle 1.55V 24/7 even on air with temps 5C+ over Intel's given limit (on load).

When I had my (crappy chip) E6600, it was running at 3.2GHz @ 1.552V for almost 6 months, (sometimes the pc wouldnt be off for a couple of days too) load temps were 65C.

65NM cpu's can take a beating. I haven't read up on one dying at 1.55V cause of voltage.

It's the 45NM Cpus that you should be worried about, I had my E8400 @ 1.41V 4.05GHz and it crippled in 18 days (E8400s have a maximum of 1.45V, but thats just a bunch of crap on that intel pdf cuz everyone who passed 1.4V got their chips crippled).

I have my Q6600 @ 3.6GHz, 1.45V with load temps of 74C after 10 minutes (only 3C above intels given limit). Besides, when you play games, cpu isnt at 100% anyway, you will always have temps lower than full load. I havent found a game yet that puts my cpu on 100% load.

I say, if your temps are good, push the vcore as much as you need (as long as your temps are fine)! Not too many people have good temps on air @ 1.5V+ with a quad thou. Id never pass 1.55V on a 65NM chip, as its the max Intel sais you can put before they crap out on you... Although there are some people that pump 1.6V (on water) on their 65NM cpus and theyre still working with no damage taken..
    
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post #9 of 21
Thread Starter 
what about all those other voltages in BIOS, that right now (stock) are in the green. will they become my hinderance if they're not increased? should I just move them up a few clicks (still green) to make sure that if I can't boot, the other voltages aren't my problem?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 @ 3.6 EVGA 780i 2 x EVGA GTX 460 4GB G.Skill 6400 
Hard DriveOptical DriveOSMonitor
Caviar SE 16 250gb Lite-On LH-20A1L-06 Vista 64 22" LCD 
PowerCase
PCP&C Silencer 750 Antec 900 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 @ 3.6 EVGA 780i 2 x EVGA GTX 460 4GB G.Skill 6400 
Hard DriveOptical DriveOSMonitor
Caviar SE 16 250gb Lite-On LH-20A1L-06 Vista 64 22" LCD 
PowerCase
PCP&C Silencer 750 Antec 900 
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post #10 of 21
I found increasing the FSB voltage to 1.2 from 1.1 helped ALOT... I just set it to the highest Green setting to get my CPU to 4.5
    
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