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z77 multiplier not behaving. ivybridge

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I had a nice and stable 4.5 ghz OC done by the AI suite. But after my ssd died, I lost that and the AI suite didnt get it to the same level. So now im trying it manually. I was overclocking a mix of BCKL and the multiplier, but I was having crashes from things like ffmpeg and handbrake doing some encoding. At first i just bumped up the vcore voltage, but after 20 minutes of small ffts in Prime, windows would crash.

so i decided to start fresh and do straight 100mhz BCKL and bump the multiplier to 45, and bumped the vcore down to 1.25 for a start. But when it boots into Windows, the multiplier sits at 43. I tried reseting the OC page in the bios to defaults, made the same changes but still stuck at 43.

Any suggestions?
 
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Reset the CMOS (remove the battery, move the jumper) and if that doesn't do it, you may want to consider reinstalling Windows. AI suite could of very possibly screwed up your O/S in one way or another.
 
Joined
Mar 31, 2007
Messages
1,895 (0.30/day)
Location
ontario canada
System Name home brew
Processor Intel Corei7 3770K OC @ 4.5Ghz
Motherboard ASUS P8Z77-V
Cooling Corsair H100
Memory 16GB DDR3 1600 GSKILL
Video Card(s) Powercolor Radeon 7970, MSI Radeon 7970
Storage Mushkin Chronos Deluxe 240gb. 2 TB Hdd.
Display(s) 3x24inch Dell Ultra IPS
Case CM storm trooper
Power Supply Antec Quattro OC ed. 1200w
Software Windows 7 Business x64
Benchmark Scores vantage: P43089
Reset the CMOS (remove the battery, move the jumper) and if that doesn't do it, you may want to consider reinstalling Windows. AI suite could of very possibly screwed up your O/S in one way or another.

good call. did the jumper reset, put the settings back in. sits at 45 now :)

very happy i didnt have to reinstall.
 
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