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Getting a i5 2500k past 4.6ghz

post #1 of 28
Thread Starter 
My 2500k doesn't want to go past 4.6 on any voltage. It starts up Windows but always freezes a few seconds after the Windows icon animation starts. I'm stable just under 1.3v at 4.6ghz. I know some CPUs simply don't like to cooperate with higher clocks no matter the voltage, but are there any tricks I could try in the BIOS just to see if I can get it higher?
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i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
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240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
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First rig
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CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
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240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
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post #2 of 28
Quote:
Originally Posted by Frankenbach View Post

My 2500k doesn't want to go past 4.6 on any voltage. It starts up Windows but always freezes a few seconds after the Windows icon animation starts. I'm stable just under 1.3v at 4.6ghz. I know some CPUs simply don't like to cooperate with higher clocks no matter the voltage, but are there any tricks I could try in the BIOS just to see if I can get it higher?

Have you enabled cpu pll over votlage? you would also need to increase vccio voltage to 1.1v and llc to level 5

1.3v is good for 4.6 but i have seen some that need closer to 1.35-1.4v for a stable 4.6ghz overclock
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post #3 of 28
Thread Starter 
The 4.6 is stable, I've tested it. I'll go try those things in the BIOS right now.
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #4 of 28
Quote:
Originally Posted by Frankenbach View Post

The 4.6 is stable, I've tested it. I'll go try those things in the BIOS right now.

That would be LLC to Level-1 (as far as I know) and yep, you need to turn on the PLL overvolt option too. Just don't expect too much out of your processor because the mobo that you're using isn't the best for overclocking.
post #5 of 28
Thread Starter 
Well, it's at least booted in to Windows now at 4.7 with pll voltage at 1.9. I set it fixed to there because there was no option that said overvoltage. How high should I be able to push pll?
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #6 of 28
Quote:
Originally Posted by Frankenbach View Post

Well, it's at least booted in to Windows now at 4.7 with pll voltage at 1.9. I set it fixed to there because there was no option that said overvoltage. How high should I be able to push pll?

You actually want to LOWER your actual PLL Voltage. There is another option that is "enable or disable" or "on or off" whatever it may be, that is "Internal PLL Overvoltage". You need to have that enabled or on to get higher clocks. Raising the actual PLL voltage is actually a bad thing. You ideally want your PLL voltage around 1.70v, I think mine is at 1.60v.
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Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
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CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
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Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
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Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
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Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
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post #7 of 28
Thread Starter 
Hm, not seeing the internal pll overvoltage anywhere.

Edit: Nevermind, found it.
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #8 of 28
Thread Starter 
Okay, booted in with 4.7ghz and no immediate crash. Thanks guys, I'll try to mess around and see how far I can push it.
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #9 of 28
Thread Starter 
Oh, and about the mobo not being a good overclocker, is there something I should watch out for to avoid damaging it?
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
First rig
(9 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500k Asrock Z77 Extreme 4 Two 6950s, 2GB version 8GB 1600 
Hard DriveCoolingOSPower
240GB Kingston SSD Hyper 212 Plus Windows 7 64 HX850 
Case
Antec 300 Illusion 
  hide details  
Reply
post #10 of 28
Quote:
Originally Posted by Frankenbach View Post

Oh, and about the mobo not being a good overclocker, is there something I should watch out for to avoid damaging it?

I don't know who told you that, the Extreme 4 is just fine of an overclocker. You'll reach the limits of your CPU long before you reach the limits of that motherboard, at least for a stability run.
Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
(16 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
  hide details  
Reply
Junkyard
(18 items)
 
NAStradamous
(12 items)
 
HTPC01
(16 items)
 
CPUMotherboardGraphicsRAM
Intel i5 2320 @ 3.1GHz MSI B75MA-E33 HIS HD7970 3GB @ 1050 / 1700, 1.17v Patriot 2x4GB DDR3-1066 
Hard DriveHard DriveOptical DriveCooling
Crucial MX100 256GB WD Green 2TB DVDRW Corsair H50 Push / Pull 
CoolingOSMonitorMonitor
NZXT 120mm fans strapped to stock 7970 cooler Windows 10 Pro Dell 3007WFP Dell 2007FP 
MonitorKeyboardPowerCase
Dell 2007FP Cheap Toshiba (R.I.P. Ducky) PC Power & Cooling Silencer MKIII 950w Cheap Garbage (free) 
MouseAudio
Logitech G602 Yardsale Special 
CPUMotherboardGraphicsRAM
Intel Core i5 3330 Asus H61 MSI GTX 750Ti Low Profile 2x4GB Hynix DDR3-1333 
Hard DriveHard DriveOptical DriveCooling
60GB Kingston SSD 1TB Seagate Samsung DVDRW CoolerMaster Gemin II 
OSMonitorKeyboardPower
Windows 8.1 + Steam Big Picture / Plex HT 50" Insignia LED 1080p Logitech Rosewill Green 530w 
CaseMouseAudioOther
Silverstone HTPC Logitech Pioneer 2.0 tower speakers + 135w RMS Rosewill MCE Remote 
  hide details  
Reply
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