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i5-2500k stuck @ 4.5 GHz - bios settings cant adjust multiplier

post #1 of 8
Thread Starter 
Specs:
i5-2500k
ASRock extreme 4 z77
16 GB corsair 1600mhz ram
750W Corsair PSU

I have had this cpu overclocked at 4.5 GHz daily for a long time now. I started on an h60 and that kept temps moderately low. I recently did my first custom water loop and really want to max out the overclock of this cpu.

When I go into bios to change the settings I have the multiplier set to 47, but when in the OS running synthetic tests cpu-z reports the multiplier maxing at 45 (the setting I've had it at for a long time). I am making sure to save my changes before leaving bios.

Is there something in my OS that is controlling the overclock? ASRock has their eXtreme tuner program that allows users to control the overclock from within the OS, but I only use that program to adjust fan speeds.

I normally wouldnt ask this kind of question here, but this has stumped me for a few hours now... I have even loaded the default settings on the board -> loaded into OS -> restart to bios and load in OC settings and it will not fix it.

If you need more specs or info, I will happily provide- just ask.

Thanks for taking a look! thumb.gif
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Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
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Computer
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Evo SSD OCZ Vertex SSD Seagate 7200RPM DVD/CD Combo 
CoolingOSMonitorKeyboard
Custom Watercooling Windows 8.1 Asus Rog Swift PG278Q das keyboard 
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Corsair 750TX Corsair 800D Razer DeathAdder 
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post #2 of 8
Try taking out the bios battery for 1min and place it back. If that doesn't work, update the bios to the newest one (if you already got it, update again).

If that doesn't work, try uninstalling the bios software to use in Windows. From my experience they can make weird problems.
    
CPUMotherboardGraphicsRAM
|AMD Phenom II X6 1100T @ 4ghz| |Asus Crosshair IV Formula| |EVGA 780TI Classified| |4x2gb Corsair XMS 1600mhz CL7| 
Hard DriveCoolingOSMonitor
|840 Pro 256gb| |WD Red 2tb| |Corsair H50| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 100hz| 
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|Logitech G810 Orion Spectrum RGB| |Cooler Master 700w Silent Pro Gold| |Antec 1200 Orange mod| |Logitech G502 Proteus Spectrum RGB|  
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CPUMotherboardGraphicsRAM
|AMD Phenom II X6 1100T @ 4ghz| |Asus Crosshair IV Formula| |EVGA 780TI Classified| |4x2gb Corsair XMS 1600mhz CL7| 
Hard DriveCoolingOSMonitor
|840 Pro 256gb| |WD Red 2tb| |Corsair H50| |Windows 10 Pro x64| |27" QNIX QX2710 @ 2560x1440 100hz| 
KeyboardPowerCaseMouse
|Logitech G810 Orion Spectrum RGB| |Cooler Master 700w Silent Pro Gold| |Antec 1200 Orange mod| |Logitech G502 Proteus Spectrum RGB|  
AudioAudioAudio
|JBL L890 speakers| |Emotiva XDA-2 receiver| |2x Advanced Acoustic mono amp @ 200w 8ohm| 
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post #3 of 8
Using AsRocks tuning software, have you tried OC'ing it from the software?
Once you open the program, if you've set x47 in the bios, is at that at multi in the software too?
post #4 of 8
Thread Starter 
Quote:
Originally Posted by go4life View Post

Try taking out the bios battery for 1min and place it back. If that doesn't work, update the bios to the newest one (if you already got it, update again).

If that doesn't work, try uninstalling the bios software to use in Windows. From my experience they can make weird problems.

I will try this momentarily. Does the CLEAR CMOS button do the same thing as taking out the battery?
Quote:
Originally Posted by Ali Man View Post

Using AsRocks tuning software, have you tried OC'ing it from the software?
Once you open the program, if you've set x47 in the bios, is at that at multi in the software too?

I've tried to avoid using the in OS tuning program when dealing with OC. It tends to freeze whenever I change the multi and apply the setting.
Computer
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Evo SSD OCZ Vertex SSD Seagate 7200RPM DVD/CD Combo 
CoolingOSMonitorKeyboard
Custom Watercooling Windows 8.1 Asus Rog Swift PG278Q das keyboard 
PowerCaseMouse
Corsair 750TX Corsair 800D Razer DeathAdder 
  hide details  
Reply
Computer
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Evo SSD OCZ Vertex SSD Seagate 7200RPM DVD/CD Combo 
CoolingOSMonitorKeyboard
Custom Watercooling Windows 8.1 Asus Rog Swift PG278Q das keyboard 
PowerCaseMouse
Corsair 750TX Corsair 800D Razer DeathAdder 
  hide details  
Reply
post #5 of 8
Have you tried maxing the values on core current limit and short/long duration power limit?
post #6 of 8
Quote:
Originally Posted by toboardornot2 View Post

I've tried to avoid using the in OS tuning program when dealing with OC. It tends to freeze whenever I change the multi and apply the setting.

The thing that just comes to mind is that you're using a Sandy cpu on an Ivy platform. I'm not sure how new your bios is or how well it supports OC'ing with ivy, but the newest bios should help.

Apart from that, enabling PLL overvolt should help in that platform.
post #7 of 8
bios update
I had this problem on my asrock itx z77 board
latest bios sorted it
4690K
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4690K Gigerbyte Z97 ITX Zotac GTX 980 Amp Extreme Edition  corsair 2400 
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SSD 240  H60 Windows 8.1 64Bit Asus 4K 
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Silverstone 450E Fractal Design 
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4690K
(14 items)
 
  
CPUMotherboardGraphicsRAM
4690K Gigerbyte Z97 ITX Zotac GTX 980 Amp Extreme Edition  corsair 2400 
Hard DriveCoolingOSMonitor
SSD 240  H60 Windows 8.1 64Bit Asus 4K 
PowerCase
Silverstone 450E Fractal Design 
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post #8 of 8
Thread Starter 
i think I'll have to update my bios tomorrow and see if it fixes it... I think I just update within the past 6-8 months though.. Anyways, that will be my first course of action.
Computer
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Evo SSD OCZ Vertex SSD Seagate 7200RPM DVD/CD Combo 
CoolingOSMonitorKeyboard
Custom Watercooling Windows 8.1 Asus Rog Swift PG278Q das keyboard 
PowerCaseMouse
Corsair 750TX Corsair 800D Razer DeathAdder 
  hide details  
Reply
Computer
(15 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k - watercooled Asrock z77 Extreme4 Nvidia GTX 780ti - watercooled Corsair Vengence 16GB (4x4) 1600MHz 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 Evo SSD OCZ Vertex SSD Seagate 7200RPM DVD/CD Combo 
CoolingOSMonitorKeyboard
Custom Watercooling Windows 8.1 Asus Rog Swift PG278Q das keyboard 
PowerCaseMouse
Corsair 750TX Corsair 800D Razer DeathAdder 
  hide details  
Reply
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