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2500K 12+ hours prime stable @ 4.8, but has problems at boot-up/sleep!

post #1 of 2
Thread Starter 
As the title says, my 2500K is 12+ prime95 blend stable @ 4.8 GHz, 1.35v. I've tried with PLL Overvoltage enabled and disabled, it does not make a difference in prime95 stability on this particular chip.

481352vprime95.png

However, even though the overclock is seemingly stable, I have issues recovering from sleep and booting up. Sometimes, the system will not recover from sleep. I know Intel has an issue with S3 sleep and PLL overvoltage enabled, but I do not have PLL OV enabled right now. In addition, the system sometimes will freeze while booting Windows and will require a fresh restart.

My specs are in sig.

Any ideas as to why my system is passing 12+ hours of Prime95 blend without any problems, but having boot issues/sleep issues?
Edited by 996gt2 - 1/8/12 at 11:11pm
5 GHz SFF Box
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Core i7-2700K @ 5.0 GHz, 1.38V Asus Maximus IV GENE Asus GTX 670 DC II 4x4GB Samsung 30nm @ DDR3-2133 9-9-9-21 1.5V 
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5 GHz SFF Box
(18 items)
 
   
CPUMotherboardGraphicsRAM
Core i7-2700K @ 5.0 GHz, 1.38V Asus Maximus IV GENE Asus GTX 670 DC II 4x4GB Samsung 30nm @ DDR3-2133 9-9-9-21 1.5V 
Hard DriveHard DriveHard DriveHard Drive
Plextor M3 SSD WD Velociraptor 500GB WD Caviar Black 1TB WD Caviar Green 2TB 
CoolingOSMonitorKeyboard
Thermalright HR-02 (GT AP-15 Push/Pull) Windows 7 Pro x64 LG 27" 2560x1440 S-IPS (Calibrated with Eye-One) CM Quickfire Rapid 
PowerCaseMouseMouse Pad
Seasonic X-750 Silverstone SG09 Logitech MX518 Steelseries QcK 
Audio
Asus Xonar DX + Shure SRH840 
CPUMotherboardRAMHard Drive
Core i5-3570K Gigabyte H61N-USB3 Mini-ITX 2x4GB Samsung 30nm DDR3 Samsung 830 128GB SSD 
Hard DriveOSPowerCase
WD Scorpio Blue 500GB Win 7 Pro x64 Antec 90W DC-DC/Delta power brick Antec ISK 110 
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post #2 of 2
Cold boots usually need more voltage. I can run most overclocks stable at lower voltages than what I can do for cold booting. Most the time when I find the lowest stable voltage I usually can't cold boot this has been same for 3 different platforms. Usually a bump or two in vcore will fix it.
 
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i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
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GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
CoolingCoolingOSMonitor
RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
KeyboardPowerCase
Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
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Intel i5 3570K GA-Z77X-UD3H 4x R9 290's 8GB 1600Mhz 
Hard DriveOSPowerCase
1TB Hard Drive Win8 Corsair Dual PSU - AX1200 and HX650 Open Case 
Other
Thee 16x Risers and One 1x Riser 
CPUMotherboardGraphicsRAM
i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
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Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
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4x r290's
(9 items)
 
3x 7970's
(16 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K 4.8Ghz offset ASUS X79 Rampage IV Extreme GTX 780 with EK waterblock GTX 780 with EK waterblock 
GraphicsRAMHard DriveHard Drive
GTX 780 with EK waterblock  Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 256GB Samsung 950 Pro 256GB Samsung 840 Pro 
CoolingCoolingOSMonitor
RX360, EX360, EX360, and 480 Rad's XSPC Raystorm CPU Block Dual boot (other unnamed OS) and Win8 Pro QNIX QX2710 27" 2560x1440 @ 112hz 
KeyboardPowerCase
Corsair K90 Corsair AX1200 Corsair 700D Modded w/ External Radiators 
CPUMotherboardGraphicsRAM
Intel i5 3570K GA-Z77X-UD3H 4x R9 290's 8GB 1600Mhz 
Hard DriveOSPowerCase
1TB Hard Drive Win8 Corsair Dual PSU - AX1200 and HX650 Open Case 
Other
Thee 16x Risers and One 1x Riser 
CPUMotherboardGraphicsRAM
i7 3930K 5Ghz Bench ASUS X79 Rampage IV Extreme 3x AMD 7970's w/ EK water blocks Samsung 16GB (4x4gb) 2400Mhz 10-12-12-31-1t @ 1... 
Hard DriveCoolingCoolingMonitor
128GB Samsung 830  RX360, RX240, EX360 XSPC Raystorm CPU Block QNIX QX2710 27" 2560x1440 @ 114hz 
KeyboardPowerCase
Corsair K90 Corsair AX760i Corsair 700D Modded w/ External Radiators 
  hide details  
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