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No Headroom at All!?!1

post #1 of 3
Thread Starter 
I'm so frustrated! It's been two days, and I'm back to stock settings.

Any time I get my 760 over 3.2HGz-ish, the machine just feels really buggy. It'll boot slow, hang, OS will be slow, ect..

Oddly, it passes stress tests quite well. Did about 9 hours of Prime Small FFT's. But I need a ton of voltage (roughly 1.37v for 3.4GHz), when all the reviews I've read show very little voltage for the mediocre overclock I'm going for (3.4-3.6GHz).

I'm convinced it has to do with the fact that I have 4 dimms installed. So what's my way around it?

Raise my VTT voltage insanely high? Underclock my ram to 1333MHz to relieve some stress on the memory controller, or just keep pumping volts into the processor?

If there's one magic setting that I can play with that will make a difference, please let me know. I've had a little luck with the clock skew and clock drive, but nothing to make a BIG difference yet. Hopefully someone can shed some light on my situation.

Can't wait to start giving out Reps!
Edited by .Andres - 10/7/11 at 4:59pm
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 3.6GHz 1.24v Gigabyte P55A-UD3 XFX 9800GT 8GB G.Skill ECO 
Hard DriveOptical DriveOSMonitor
2x1TB Samsung F3 LG CD/DVD OSX 10.7.1 LG 23" 
PowerCase
Corsair HX620 Antec 900 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 3.6GHz 1.24v Gigabyte P55A-UD3 XFX 9800GT 8GB G.Skill ECO 
Hard DriveOptical DriveOSMonitor
2x1TB Samsung F3 LG CD/DVD OSX 10.7.1 LG 23" 
PowerCase
Corsair HX620 Antec 900 
  hide details  
Reply
post #2 of 3
if your having to use huge amounts of cpu Vcore to for an overclock like that then yes id raise the VTT. it actually sounds like signs of ram instability. just raise the VTT +75-100mv and it should be enough. other than that take your timings off auto and maybe even though they are a ECO kit set the DRAM Voltage to 1.65v
Finally Finished!
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3930K Batch: 3135B495T Gigabyte X79 UD7 GTX 570 3-way SLi Corsair Vengeance 1600mhz CL9 
Hard DriveCoolingOSMonitor
60GB OCZ Vertex II / 3x 500GB Samsung Spinpoint EK Supreme HF Nickel, EK DCP4.0, Stealth GT 360... Windows 7 Ult 64bit Acer 22" G225HQ 
KeyboardPowerCaseMouse
Razor Lacosa Mirror Edition Silverstone Strider 1500w  Aerocool X-Preditor  CM Storm Sentinel Advanced 
Mouse Pad
Razer Goliathus Speed edition 
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Finally Finished!
(14 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 3930K Batch: 3135B495T Gigabyte X79 UD7 GTX 570 3-way SLi Corsair Vengeance 1600mhz CL9 
Hard DriveCoolingOSMonitor
60GB OCZ Vertex II / 3x 500GB Samsung Spinpoint EK Supreme HF Nickel, EK DCP4.0, Stealth GT 360... Windows 7 Ult 64bit Acer 22" G225HQ 
KeyboardPowerCaseMouse
Razor Lacosa Mirror Edition Silverstone Strider 1500w  Aerocool X-Preditor  CM Storm Sentinel Advanced 
Mouse Pad
Razer Goliathus Speed edition 
  hide details  
Reply
post #3 of 3
Thread Starter 
All my timings are set manually, and memtest runs without any errors.

I'm just a little hesitant to start pumping volts to the vtt, as I've read it really starts to degrade the processor.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 3.6GHz 1.24v Gigabyte P55A-UD3 XFX 9800GT 8GB G.Skill ECO 
Hard DriveOptical DriveOSMonitor
2x1TB Samsung F3 LG CD/DVD OSX 10.7.1 LG 23" 
PowerCase
Corsair HX620 Antec 900 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 760 3.6GHz 1.24v Gigabyte P55A-UD3 XFX 9800GT 8GB G.Skill ECO 
Hard DriveOptical DriveOSMonitor
2x1TB Samsung F3 LG CD/DVD OSX 10.7.1 LG 23" 
PowerCase
Corsair HX620 Antec 900 
  hide details  
Reply
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