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MSI z68a-g43 question

post #1 of 5
Thread Starter 
I know its a cheap board with its 4 phase, but man, didnt know it was this cheap with the options that it doesnt give lol.
Anyway, I am trying to see the limit this board will put out on a hard run. Runs 4.5ghz perfectly, tried 4.6, runs ok. Tried to hit 4.7ghz and it throttles down to 4.6ghz and sometimes switching between 4.6-4.5ghz. This is a safety feature of the motherboard correct?
From reading Coretemp, once it hits the 95tdp it throttles back on the multiplier.
It will run at 4.7ghz all day long but once all 4 cores are stressed to 100% it drops the multi down a step.

ALso, this board has NO cpu voltage options at all. I am running up to 4.7ghz all on the boards recommended voltages. All I do is up the multiplier, and it ups the voltage accordingly.
At 4.7ghz and 4.6ghz, voltage is at a very steady 1.376v. The board has options to go higher then 47 multi, but when set higher 48+, it reverts back down to 47 multi.
I ran intelburntest at veryhigh at the stock 5 test runs and its apparently stable, highest temp I got during the run was 66c on the runs and thats with the fans on the rads at 50%

From what I googled, apparently not that many people have this board lol, I see why now.
So back to the question. The throttling is part of the safety feature right? I was sure I disabled the overspeed protection option, but just to be sure, that is the right option to disable the throttling??

Is all z68 boards compatible with Ivy Bridge?
    
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post #2 of 5
Quote:
Originally Posted by RotaryKnight;15364548 
I know its a cheap board with its 4 phase, but man, didnt know it was this cheap with the options that it doesnt give lol.
Anyway, I am trying to see the limit this board will put out on a hard run. Runs 4.5ghz perfectly, tried 4.6, runs ok. Tried to hit 4.7ghz and it throttles down to 4.6ghz and sometimes switching between 4.6-4.5ghz. This is a safety feature of the motherboard correct?
From reading Coretemp, once it hits the 95tdp it throttles back on the multiplier.
It will run at 4.7ghz all day long but once all 4 cores are stressed to 100% it drops the multi down a step.

ALso, this board has NO cpu voltage options at all. I am running up to 4.7ghz all on the boards recommended voltages. All I do is up the multiplier, and it ups the voltage accordingly.
At 4.7ghz and 4.6ghz, voltage is at a very steady 1.376v. The board has options to go higher then 47 multi, but when set higher 48+, it reverts back down to 47 multi.
I ran intelburntest at veryhigh at the stock 5 test runs and its apparently stable, highest temp I got during the run was 66c on the runs and thats with the fans on the rads at 50%

From what I googled, apparently not that many people have this board lol, I see why now.
So back to the question. The throttling is part of the safety feature right? I was sure I disabled the overspeed protection option, but just to be sure, that is the right option to disable the throttling??

Is all z68 boards compatible with Ivy Bridge?
I had a G43 (the P67 version) before my current GD65. It wasn't that bad of a board, especially for the price. I was able to overclock my 2500K as high as 5.0 with it, in spite of it lacking PLL voltage adjustment.
I did have manual cpu voltage adjustment though, I'm surprised that you don't, although that may have been addressed in a later bios.

The reason you are getting fluctuating multipliers is because MSI released a borked bios for your board, and several others, both P67 and Z68 series. For several months, all the bios releases from MSI had this flaw.
It is not in any way a safety feature, just a fault in the bios. MSI has begun to correct this in it's latest bios versions, also note that their earliest bios didn't have this problem.
Another issue was being unable to access anything beyond a 47x multi, which has also been corrected.

You should check the MSI Forum, they have the latest info on these issues and the download links for the latest bios releases that corrected them:
www.msi.com/service/forum/

If you do flash your board, be sure to use the MSIHQ USB Bios Flash Utility, as it has safeguards to avoid a bad flash. Lots of info on their forum about that as well.
Edited by DerComissar - 10/19/11 at 6:12pm
    
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post #3 of 5
Thread Starter 
I updated to the latest bios for this board, version 4.1
Havent fixed the throttling issue or being able to select higher multi.
    
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post #4 of 5
That's unfortunate that it hasn't been fixed yet.
I couldn't find any posts in their beta bios section for that board, but MSI often suggests sending a request to their support for the very latest bios revisions.
It's frustrating having to wait for these fixes for issues that shouldn't be there in the first place.

I was able to fix the fluctuating multi for my GD65, before they released a corrected bios, by flashing it to the earliest bios they had listed for it. The very first bios for it didn't have the issue. I did the same with my G43, although that board, being a P67, had several earlier bios to choose from. I only see one earlier bios for yours, v.4.0, which obviously isn't going to help as your board had that one originally.

So, you could try contacting their support, or post on their beta bios forum, for the latest corrected bios revision for the issues that the current bios has.
    
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Dual Darkside D5 Pump Black Dressing Kits  Nidec Servo D1225C Fans Mayhems Ultra Clear Tubing Watercool Heatkiller IV Copper GPU Block  
CoolingCoolingCoolingOS
Watercool Heatkiller IV GPU Backplate Watercool Heatkiller IV PRO Copper CPU Block Watercool Heatkiller IV Tube 150 Borosilicate G... W10 Pro 64  
MonitorKeyboardPowerCase
Acer XB271HU Ducky One TKL ISO/UK Version Cherry MX Blue/Blu... EVGA SuperNOVA 1200 Platinum CaseLabs Mercury S8 White with Pedestal and Ext... 
MouseMouse PadOtherOther
Razer Deathadder Elite OCUK  Aqua Computer Aquaero 6 XT Aqua Computer Splitty9 
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CPUMotherboardGraphicsRAM
i7 5775C Broadwell ASUS Maximus VII Hero Nvidia Titan Xp GSkill Ripjaws X 16GB DDR3 2133 
Hard DriveCoolingCoolingCooling
Samsung 850 EVO 500GB  Mayhems Havoc 240 and 360 Rads Dual Laing D5T Strong Pumps Dual Koolance CRT-SPD1224M 24 Volt Pump Control... 
CoolingCoolingCoolingCooling
Dual Darkside D5 Pump Black Dressing Kits  Nidec Servo D1225C Fans Mayhems Ultra Clear Tubing Watercool Heatkiller IV Copper GPU Block  
CoolingCoolingCoolingOS
Watercool Heatkiller IV GPU Backplate Watercool Heatkiller IV PRO Copper CPU Block Watercool Heatkiller IV Tube 150 Borosilicate G... W10 Pro 64  
MonitorKeyboardPowerCase
Acer XB271HU Ducky One TKL ISO/UK Version Cherry MX Blue/Blu... EVGA SuperNOVA 1200 Platinum CaseLabs Mercury S8 White with Pedestal and Ext... 
MouseMouse PadOtherOther
Razer Deathadder Elite OCUK  Aqua Computer Aquaero 6 XT Aqua Computer Splitty9 
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post #5 of 5
Someone on the MSI forums has posted about the same problem. You could keep an eye on it and see if the user gets a response or submit a ticket of your own: http://forum-en.msi.com/index.php?topic=153165.0
 
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