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Ivy Bridge, CPU/Turbo multiple , Linux

post #1 of 7
Thread Starter 
Ok, I need some help since I'm lost. Don't know if this is most fitting here or say in the Linux section.

First off, I've tried searching the forum and googling, but I have come up short.


I have a problem that is similar on two computers, a 3770K+Maximus v Gene+Ubuntu 12.04 and 3570K+P8P67 PRO+Linux Mint 12. The problem in question is that any multiplier changes done in UEFI doesn't seem to stick.

3770K:
Fresh install of Ubuntu 12.04 server WITH OC applied, been running on Ubuntu 10.10 until a couple of weeks ago.
I can change turbo multi in UEFI but it does not apply when I put a load on it, if I do a Optimized Default it will still run the OC I had when I did the install.


3570K:
Changed a previous install of Linux Mint 12 over from a AMD Phenom, the 3570K has been running fine OC for a couple of months on Win7.
It was OC'd when I did the swap, but apparently voltage was as I've set (confirmed through temps and powerdraw) and RAM speed too, but not CPU.


I've tried switching between several options for CPU-multi on both. Confirmed with benchmarks that the CPU is actually not running at the speed where I've set it. I don't currently have a copy of Windows to test as I suspect something with the current Linux installs or an option I need to select in UEFI.
I also have a 2700K+P8Z68-V+Ubuntu 12.10 which does not display this behaviour.


[SOLVED] Solved by flashing the BIOS...
Edited by arvidab - 5/28/13 at 7:22am
Frigg d.y.
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Frigg d.y.
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post #2 of 7
Which mobo bios are you on?
There is a known bug in some Asus bios where changes made in bios would not carry through. Try flashing to the newest bios, or reflash if on the newest already.

If you are going from one bios to another know that you will lose your settings and saved profiles in bios so you will want to take screen shots or make note of all your settings.
Ivy 5.0
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post #3 of 7
Thread Starter 
I see that there are newer version for both the boards, currently running previous one.
I'll try flashing the newest version, even though they have previously worked without a problem.
Frigg d.y.
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Frigg d.y.
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post #4 of 7
Definitely try the newest bios, that should help. The bug is triggered by a combination of too many changes to bios coupled with instability. Not sure we ever figured out exactly how many changes it took to trigger it. So you could go quite awhile without seeing a problem if you we're not making many bios changes. Hope it helps.
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post #5 of 7
Thread Starter 
Fantastic, flashed the latest BIOS on my MVG, it now works, will do my main rig later. Thanks a bunch, justanoldman! Lesson learned, get the latest BIOS/UEFI version if you have problems.

Now though I gotta tweak the previous OC a bit...
Frigg d.y.
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Frigg d.y.
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post #6 of 7
Very glad it worked for you.smile.gif
I did not enjoy dealing with that bug, but now on the 1707 bios for my MVF everything seems fine.
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post #7 of 7
Thread Starter 
Well, the P8P67/3570k didn't work.
Flashed the newest version and re-flashed it a couple of times. I think it's time for an OS-reinstall, long overdue anyways.

e- Yea, went from Linux Mint 12 (3.0.0 kernel) to Mint 15 (3.8.0 kernel) and now it works like a charm, guessing something in the old kernel did support Turbo (didn't see even the base Turbo) or the fact that I moved the install from a AMD Phenom.
Edited by arvidab - 5/30/13 at 4:22pm
Frigg d.y.
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Hard DriveHard DriveCoolingCooling
Corsair Force F60 2.5" SSD OCZ Agility 3 120GB 2.5" SSD EK-Supremacy CSQ Full Nickel EK-FC Titan Nickel CSQ 
CoolingCoolingCoolingCooling
Alphacool VPP655 w/ EK D5 X-Top Rev.2 EK-Coolstream Rad XTX 360 & XSPC RS240 Phobya Balancer 150 Reservoir 3xScythe GT AP-15@7V, 2xNexus Real Silent 120mm... 
OSOSMonitorMonitor
Linux Mint 16 64-bit Windows 7 64-bit Qix Qx2710LED Evolution II 2560x1440 Dell U2311H 1920x1080 
KeyboardPowerCaseMouse
Keycool 84 w/ Cherry MX Clear  Enermax Platimax 1500W NZXT H630 Func MS3 
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Frigg d.y.
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CPUMotherboardGraphicsRAM
i7 3770K@4600MHz 1.288V ASUS P8Z68-V EVGA Geforce GTX780Ti@1293MHz 2x4GB G.Skill TrindentX 2400 CL10@2133 CL10 
Hard DriveHard DriveCoolingCooling
Corsair Force F60 2.5" SSD OCZ Agility 3 120GB 2.5" SSD EK-Supremacy CSQ Full Nickel EK-FC Titan Nickel CSQ 
CoolingCoolingCoolingCooling
Alphacool VPP655 w/ EK D5 X-Top Rev.2 EK-Coolstream Rad XTX 360 & XSPC RS240 Phobya Balancer 150 Reservoir 3xScythe GT AP-15@7V, 2xNexus Real Silent 120mm... 
OSOSMonitorMonitor
Linux Mint 16 64-bit Windows 7 64-bit Qix Qx2710LED Evolution II 2560x1440 Dell U2311H 1920x1080 
KeyboardPowerCaseMouse
Keycool 84 w/ Cherry MX Clear  Enermax Platimax 1500W NZXT H630 Func MS3 
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