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Holding RAM freq with overclock (Haswell)

post #1 of 4
Thread Starter 
Hey guys,

I did a minor overclock to my Haswell 4770K (4.2Ghz) [4.2Ghz@1.15V] however I managed to keep my RAM at 1866Mhz instead of its usual 2400Mhz. Everytime I activate the XMP profile which sets voltages,timings and freq and do Prime95 blends it crashes after a few mins. Do I need to give my CPU Core a couple volts to keep it stable? The RAM is stable when the CPU is stock @ 1.65V XMP on the DRAM voltage.
post #2 of 4
Did you try messing around with uncore frequency/multi?
Haswell
(21 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 4770K @ 4Ghz Gigabyte Z87X-UD5H Sapphire Radeon R9 290 Vapor-X G.Skill RipjawsZ 4x4GB 2400Mhz 
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Crucial M4 126GB Crucial MX100 4x512GB WD Caviar Green EZRX Crucial M500 120GB 
Optical DriveCoolingOSMonitor
Samsung DVD Corsair Hydro H105 Windows 7 Ultimate Acer B276HK 
MonitorMonitorKeyboardPower
Dell P2314H Samsung SA700 Logitech G710+ Seasonic P-660 XP2 
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Fractal Design Arc Midi R2 Razer Deathadder 2013 Mionix Sargas 900 Asus Xonar DX/XD 
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Beyerdynamics Custome One Pro White 
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Haswell
(21 items)
 
  
CPUMotherboardGraphicsRAM
Core i7 4770K @ 4Ghz Gigabyte Z87X-UD5H Sapphire Radeon R9 290 Vapor-X G.Skill RipjawsZ 4x4GB 2400Mhz 
Hard DriveHard DriveHard DriveHard Drive
Crucial M4 126GB Crucial MX100 4x512GB WD Caviar Green EZRX Crucial M500 120GB 
Optical DriveCoolingOSMonitor
Samsung DVD Corsair Hydro H105 Windows 7 Ultimate Acer B276HK 
MonitorMonitorKeyboardPower
Dell P2314H Samsung SA700 Logitech G710+ Seasonic P-660 XP2 
CaseMouseMouse PadAudio
Fractal Design Arc Midi R2 Razer Deathadder 2013 Mionix Sargas 900 Asus Xonar DX/XD 
Audio
Beyerdynamics Custome One Pro White 
  hide details  
Reply
post #3 of 4
Thread Starter 
No sorry I didn't, any guidelines for doing so?
post #4 of 4
just turn it down see if you still get the errors, uncore is just used to unbottleneck the CPU frequency, you can try to increase it but it will just require higher voltage(ring voltage or cache voltage, i am not sure what its called on your board), IMO try to set the timings yourself.
X99 Main Rig
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
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X99 Main Rig
(10 items)
 
  
CPUMotherboardGraphicsRAM
Intel 5960X Extreme Edition @ 4.5GHz Always Changing VisonTek R9 290 G.Skill Ripjaws 4 16GB (4x4GB) DDR4 @ 3200MHz 
Hard DriveHard DriveHard DriveCooling
Samsung 128GB M.2 PCI-E 4x SSD Apotop 256GB SSD 1.82TB NAS Noctua NH-D15 with both fans 
OSPower
Win7 Pro Enermax 1000W 
  hide details  
Reply
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