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Need help overclocking 3770K please

post #1 of 24
Thread Starter 
howdy all

overclocking my 3770k, currently at 4.5ghz and 1.15v cpu vcore. Only other settings so far ive changed is dram volt to 1.50, memory frequency to 1600 so to cancel memory instability out. I have been testing and i went for a quick ma multi run, i managed to boot into windows at 5.0ghz with 1.44v, but i couldnt boot at 51x multi or above even though i went up to 1.5v. I tired enabling cpu pll overvoltage and used all my other setings that were stable for my 2700k at 4.8ghz such as phase/duty control extreme, VRM frequency 350 etc and none of this made a difference.

Is there any other setting I could try changing that is the difference between Sb and IB overclocking? I know ive not hit my max multi wall as ive not come across the black screen with flashing underscore icon yet. Im justthinking theres some other setting i might have missed off. Some people mention changing 200A amps? setting on IB? ive not come across this before on sandy bridge.

thoughts please folks

thanks
post #2 of 24
Well fist off, you are only going to get your chip to run at 4.8ghz. If you get anything higher, that is just luck.

Try loading up windows at 1.38v with LCC turned to extreme, and your PLL voltage turned down to 1.55v. Run prime 95 and watch your temps.

You will quickly see why it is a bit pointless to go for anything higher.
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post #3 of 24
Thread Starter 
but i use folding@home frown.gif
post #4 of 24
I would stay at your current overclock.Also if you want to get better folding check out these videos on how to install FAH 6.34 + VM 3.0.0 + Ubuntu 10.0.

http://www.youtube.com/watch?v=8Ym7SsCOjrc&list=PL28D41D0A64EFA9F0&feature=plcp

I hope this helps.smile.gif
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post #5 of 24
4.5 is a pretty respectable overclock on ivy thumb.gif
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post #6 of 24
Quote:
Originally Posted by Chewy View Post

4.5 is a pretty respectable overclock on ivy thumb.gif

You got 5.5 GHz on you 2500k.What are your temps like.And what kind of PPD do you get?
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post #7 of 24
Quote:
Originally Posted by langer1972 View Post

You got 5.5 GHz on you 2500k.What are your temps like.And what kind of PPD do you get?

5.5 was just for benching i run 5ghz 24/7 @ 1.385v, temps mid 60's 12hrs prime.

I havent been folding for a while so i have no idea on ppd but i remember being dissapointed with my ppd on a 2500K redface.gif Hope to start again once haswell arrives and brings in cheaper electricity bills
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post #8 of 24
Quote:
Originally Posted by Chewy View Post

5.5 was just for benching i run 5ghz 24/7 @ 1.385v, temps mid 60's 12hrs prime.
I havent been folding for a while so i have no idea on ppd but i remember being dissapointed with my ppd on a 2500K redface.gif Hope to start again once haswell arrives and brings in cheaper electricity bills

That OC is impressive at that voltage you get 10 out of 10.drool.gif
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post #9 of 24
Thread Starter 
Booted into windows at 4.7ghz at 1.20v, why do we think folks?
post #10 of 24
Quote:
Originally Posted by $ilent View Post

Booted into windows at 4.7ghz at 1.20v, why do we think folks?

If it is stable and the temps are good go for it.But make sure your temps are safe.thumb.gif
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Dante's Inferno
(28 items)
 
Paradise Lost
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CPUMotherboardGraphicsGraphics
i5 2500k 4.7 GHz Asrock P67 Extreme 4 Gen 3 BIOS 2.10 XFX Radeon HD 6950 2GB  XFX Radeon HD 6950 2GB  
RAMHard DriveHard DriveHard Drive
G Skill Sniper 8 Gigs 1600 MHz Crucial M4 64GB SATA III  Seagate Barracuda 1TB 7200 RPM Seagate Barracuda 1TB 7200 RPM  
Hard DriveOptical DriveOptical DriveCooling
Seagate Backup Plus 1TB USB 3.0 LITE-ON 24X DVD/CD LITE-ON 24X DVD/CD 5,000 BTU AC & NH-D14 Summer 
CoolingOSMonitorKeyboard
80 CFM Fan In Window With 90 Deg Vent Winter Windows 7 Ultimate SP 1 x64 Asus VE245 1080P Razer Lycosa Mirror Edition 
PowerCaseMouseMouse Pad
1200 Watt Antec True Power Quattro Corsair 800D 8 Fans Full Blast Razer Abyssus Razer Vespula 
AudioAudioAudioOther
7.1 CH HD Audio With THX TruStudio™ Logitech H390 USB Headset Logitech 5.1 X-530 & Sony MDR-V150 Dynamic Ster... Rheobus Extreme 6 Speed Fan Controller 
CPUMotherboardGraphicsRAM
Intel Core 2 Duo E4400 2 GHz Intel D946GZIS On Board 3 Gig's Kingston PC2-5300 
Hard DriveOptical DriveCoolingOS
Western Digital 160 Gig Writemaster DVD/CD R&W Stock Intel Windows Vista SP 2 x86 
MonitorKeyboardPowerCase
I-INC iF171A HP KB-0316 BFG 450 Watt Black 
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