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4770K only goes to 4.0GHz before

post #1 of 3
Thread Starter 
Hi guys
I don't really know what I'm doing, and this is my first time overclocking.

OCCT is causing my system to crash any time I go over 4.0GHz. I tried upping the voltage and it doesn't seem to matter. 4.0 works at stock, and 4.1 won't work on anything I've tried up to 1.3 volts.

From what I understood these chips could go at least to 4.3 on air pretty much all the time. Also, I thought an unstable chip would BSOD, not just freeze up the system.

I'm waiting on a slim fan that will fit between the Noctua U9B SE2 and the GPU, but right now it only has 1 fan on pull. But the crash happens before the temps reach anything scary, usually only around like 60C, so I don't think that's the issue.

I also have only a 500W PSU, the Evga 80+ Gold, and so I know I can't fully overclock, but I thought I had at least a little room to play with.

I'm on a GA-Z87N-WIFI board. It's the Dreamstarter rig in my sig.

Any insight? Did I just get a crappy chip? Could this be a PSU issue? Am I doing something wrong?

Thanks in advance!!
Dreamstarter
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Gigabyte GA-Z87N-WIFI Mini ITX LGA1150 EVGA GeForce GTX 970 Crucial Ballistix Sport 
Hard DriveHard DriveOptical DriveOS
Sandisk Ultra Plus SSD Seagate Barracuda EVGA Slim Slot DVDRW Drive Apple Mac OS X 10.9 Mavericks (Hackintosh) 
OSMonitorMonitorMonitor
Microsoft Windows 8.1 Qnix QX2710 27" BenQ GW2750HM 27" Hannspree HL272HPB 27" 
KeyboardPowerCaseMouse
Ducky Shine 3 Brown (Green LED) EVGA 80+ Gold 500W PSU EVGA Hadron Air Mionix NAOS 7000 
Mouse PadAudio
Razer Goliathus Speed Extended Klipsch Promedia 2.1 Speakers 
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Dreamstarter
(18 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i7 4770K Gigabyte GA-Z87N-WIFI Mini ITX LGA1150 EVGA GeForce GTX 970 Crucial Ballistix Sport 
Hard DriveHard DriveOptical DriveOS
Sandisk Ultra Plus SSD Seagate Barracuda EVGA Slim Slot DVDRW Drive Apple Mac OS X 10.9 Mavericks (Hackintosh) 
OSMonitorMonitorMonitor
Microsoft Windows 8.1 Qnix QX2710 27" BenQ GW2750HM 27" Hannspree HL272HPB 27" 
KeyboardPowerCaseMouse
Ducky Shine 3 Brown (Green LED) EVGA 80+ Gold 500W PSU EVGA Hadron Air Mionix NAOS 7000 
Mouse PadAudio
Razer Goliathus Speed Extended Klipsch Promedia 2.1 Speakers 
  hide details  
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post #2 of 3
Lots of things you can try:

-Look at your actual BIOS version, and see on the manufacturer's website/forums if there is newer, more stable, better OC BIOS revisions.

-You'll have to look into separating the Core clock and the Cache clock. Haswell CPUs don't seem to appreciate CACHE clock clocked as high as the CORE clock. On mine I use 39 multi for the cache clock...

-Using different benchmarking utilities....you want to seek temperatures as low as possible and overall system stability when you bench and test for stability, but some benching programs are just brutal...., stability in all the apps you'll be using is your goal...you don't buy a computer for benching......I use Intel extreme tuning for benching here...
post #3 of 3
Here's just a few suggestions, start off with a manual voltage, use a LLC level of Medium or High. Set your Ram profile to X.M.P, if available. Keep BLCK at 100.00 MHz, CPU Spread Spectrum Disabled, PCI-E Spread Spectrum enabled, PCI-E Clock 100.00 MHz, some of these settings may not be on your motherboard, if not, just skip them of course. Hopefully it'll work out for you. You should be able to get to 4.2 GHz with that motherboard / CPU / CPU Cooler easily, or you could have a unlucky chip.
Gaming Computer
(19 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dell Monitor Logitech G110 Antec 750W Thermaltake Aluminium Old Case 
MouseMouse PadAudio
Logitech G500 Gaming Mouse Generic Mousepad Soundblaster 5.1 VX 
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Gaming Computer
(19 items)
 
   
CPUMotherboardGraphicsRAM
Intel Core 2 Quad Q6600 Asustek P5Q-PRO Nvidia 9800 GTX+ Kingston DDR2 8gb 
Hard DriveOptical DriveCoolingOS
Western Digital 1 TB Pioneer Noctua NH-U9B Windows 7 Ultimate 64-bit 
MonitorKeyboardPowerCase
Dell Monitor Logitech G110 Antec 750W Thermaltake Aluminium Old Case 
MouseMouse PadAudio
Logitech G500 Gaming Mouse Generic Mousepad Soundblaster 5.1 VX 
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