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PSU holding back OC?

post #1 of 3
Thread Starter 
Howdy,

I've settled on a 3.9Ghz overclock on my 1055t at 1.525v after much frustration with trying to reach 4.0Ghz. I'm kinda surprised that I can't get 4.0Ghz or better, even with 1.55v. My CPU is cooled with a 212+ under mineral oil submersion. If I test at the beginning of the day, my ambient oil temp is quite cool (about 70c).

Then it dawned upon me...Is it my PSU? I have a 600W Seasonic that is at least three years old. I don't know how accurate HWMonitor is, but I fired her up and the 12v shows a minimum of 11.48v and a max of 11.68v. I compared that to an older SS I had from an overclock about a year ago and the 12v minimum was 11.63v.

Is the PSU dying? If so, do you think it's holding back my overclock?
    
CPUMotherboardGraphicsRAM
FX 8120 ASUS M4A89GTD PRO/USB3 890GX 2 x Asus 5770 CuCore 2 x 2GB Kingston HyperX 1800Mhz 
Hard DriveCoolingOSMonitor
64 GB Kingston V-Series Err, 10 Gallons of Mineral Oil and a Automotive... Windows 7 x64 SP1 24" Asus LCD 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate 600W Seasonic Aquarium with ~10 gallons of mineral oil Razer DeathAdder 
Mouse Pad
Razer Kabuto 
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CPUMotherboardGraphicsRAM
FX 8120 ASUS M4A89GTD PRO/USB3 890GX 2 x Asus 5770 CuCore 2 x 2GB Kingston HyperX 1800Mhz 
Hard DriveCoolingOSMonitor
64 GB Kingston V-Series Err, 10 Gallons of Mineral Oil and a Automotive... Windows 7 x64 SP1 24" Asus LCD 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate 600W Seasonic Aquarium with ~10 gallons of mineral oil Razer DeathAdder 
Mouse Pad
Razer Kabuto 
  hide details  
Reply
post #2 of 3
You will experience random shutdowns when overclocking if your psu can't provide enough power. The rig will just power down without notice in that case. I'd say it's definitely not your psu, but instead probably ur bios settings or it's just a bad chip.
 
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1TB Samsung EVO 850 2x 2TB Western Digital Caviar Black 1x Hardware Labs Black Ice GTX 560  Bitspower Pump Upgrade Kit 
CoolingCoolingCoolingCooling
2x Hardware Labs Black Ice GTX 280 Hardware Labs Black Ice GTX 480 Dual Uber MCP655 Noiseblocker PK-3  
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Bitspower Compression Fittings Lamptron FC-8 Noiseblocker PL-2 Windows 7 Ultimate 64bit 
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Project Atlantis
(16 items)
 
 
CPUMotherboardGraphicsRAM
i7 3960X w/ EK Supreme HF  Asus Rampage IV Extreme w/ EK full cover Tri SLi EVGA GTX TITAN SC w/ EK full cover & Ba... 64 GB Dominator w/ MIPS Ram Cooler 
Hard DriveHard DriveCoolingCooling
1TB Samsung EVO 850 2x 2TB Western Digital Caviar Black 1x Hardware Labs Black Ice GTX 560  Bitspower Pump Upgrade Kit 
CoolingCoolingCoolingCooling
2x Hardware Labs Black Ice GTX 280 Hardware Labs Black Ice GTX 480 Dual Uber MCP655 Noiseblocker PK-3  
CoolingCoolingCoolingOS
Bitspower Compression Fittings Lamptron FC-8 Noiseblocker PL-2 Windows 7 Ultimate 64bit 
MonitorKeyboardPowerCase
Asus PB287Q 4K Steelseries 7G Custum wired EVGA NEX 1500 Caselabs SMA8 
MouseMouse Pad
Rat 7 Razer Goliathus XL 
CPUMotherboardGraphicsRAM
i7 920 c0 @ 4.2 Ghz w/ 1.4v max 4.6ghz @1.55v w... Asus P6T6 WS Revolution w/ koolance nb/sb+mosfe... EVGA GTX 480 x3 w/ Koolance Vid-NX480 12gb Corsair Dominator 1600mhz w/ MIPS Ramcooler 6 
Hard DriveOptical DriveCoolingOS
1.5 Tb Seagate barracuda x3 LG Bluray Burner 2x SR1 360, RX 360, SR1 240, SR1 120, 2x MCP355... Win 7 Ultimate 64bit 
MonitorKeyboardPowerCase
Samsung t260 x3 Razer Black Widow Ultimate Silverstone st1200 Mountain Mods U2UFO w/ MM Pedestal Addition 
MouseMouse PadAudioAudio
Razer Mamba Razer Destructor X-Fi Fata1ity Logitech Z-5500 
CPUGraphicsRAMHard Drive
i7 3840QM 650ti 8GB 1333mhz DDR3 256gb ssd 
OSMonitorPowerCase
OSX Mountain Lion Retina Display 85w Magsafe Power Adapter Aluminum Unibody 
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post #3 of 3
Thread Starter 
Quote:
Originally Posted by fat_italian_stallion View Post
You will experience random shutdowns when overclocking if your psu can't provide enough power. The rig will just power down without notice in that case. I'd say it's definitely not your psu, but instead probably ur bios settings or it's just a bad chip.
Sometimes I get BSODs, othertimes just hard lockups where the screen stays frozen.
    
CPUMotherboardGraphicsRAM
FX 8120 ASUS M4A89GTD PRO/USB3 890GX 2 x Asus 5770 CuCore 2 x 2GB Kingston HyperX 1800Mhz 
Hard DriveCoolingOSMonitor
64 GB Kingston V-Series Err, 10 Gallons of Mineral Oil and a Automotive... Windows 7 x64 SP1 24" Asus LCD 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate 600W Seasonic Aquarium with ~10 gallons of mineral oil Razer DeathAdder 
Mouse Pad
Razer Kabuto 
  hide details  
Reply
    
CPUMotherboardGraphicsRAM
FX 8120 ASUS M4A89GTD PRO/USB3 890GX 2 x Asus 5770 CuCore 2 x 2GB Kingston HyperX 1800Mhz 
Hard DriveCoolingOSMonitor
64 GB Kingston V-Series Err, 10 Gallons of Mineral Oil and a Automotive... Windows 7 x64 SP1 24" Asus LCD 
KeyboardPowerCaseMouse
Razer BlackWidow Ultimate 600W Seasonic Aquarium with ~10 gallons of mineral oil Razer DeathAdder 
Mouse Pad
Razer Kabuto 
  hide details  
Reply
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