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Strange issue when trying to overclock

post #1 of 6
Thread Starter 
Hi, I've previously overclocked my i5 3570k to 4.2 GHz on my Sabertooth Z77 with an offset voltage using the guide here on OCN, and wanted to try overclocking higher. The trouble is, while I can change my voltage in the BIOS, when I change my CPU multiplier ratio there is no effect!
For example, I up the voltage, set my core multi to 46, and boot successfully into Windows. However, when I run P95 and open up CPU Z, while my voltage is higher, I'm still stuck at my old multiplier of 42, despite changing this setting in the BIOS and saving it.
What could be going wrong?
post #2 of 6
reflash your bios
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Insert Name Here
(14 items)
 
  
CPUMotherboardGraphicsRAM
6700k Asus Maximus VIII Hero Gigabyte G1 980 Corsair LPX 2x8GB 3200c16 
Hard DriveHard DriveCoolingOS
Old Seagate HDD Samsung 850 EVO Thermalright Silver Arrow SB-E SE Windows 7 Home Premium 64 bit 
MonitorKeyboardPowerCase
Asus VG248QE WASDKeyboards.com v1 semi custom w/ mx browns, ... Superflower Golden Green HX550 Air540 
MouseMouse Pad
Logitech G303 Qck+ 
  hide details  
Reply
post #3 of 6
I had that same problem with a Asus z-77-v-pro. Reflashed bios, that helped for a little bit, then it would start doing it again.
post #4 of 6
There's a bug in some of the Asus BIOSes where after some number of changes it'll no longer accept new ones, even though it looks like it does. Re-flashing the BIOS resets the counter (in a manner of speaking) and you can make changes again, for a while. But check if there is a newer BIOS for your board, I think they fixed it for most boards in later releases.
post #5 of 6
Thread Starter 
Quote:
Originally Posted by Forceman View Post

There's a bug in some of the Asus BIOSes where after some number of changes it'll no longer accept new ones, even though it looks like it does. Re-flashing the BIOS resets the counter (in a manner of speaking) and you can make changes again, for a while. But check if there is a newer BIOS for your board, I think they fixed it for most boards in later releases.
That fixed it, didn't realise ASUS had released newer BIOS versions. Thanks!
post #6 of 6
Good to know biggrin.gif
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