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Discussion Starter #1
Hi everyone.

Im after a little help i have read up on the bulldozer overclocking guide but still abit confused.

I have a fx4100 with a stock cooler, M5A78L-M LX V2 (125W CPU support) on latest BIOS, 700W 80+ PSU and 2x 4gb 1333 kingston ram. I am informed by asus this board can handle around a 10% overclock ~4ghz (which is what im aiming for).

Under the advanced menu - jumperfree config I have
cpu overclocking - auto
cpu overvoltage - auto
cpu nb frequency - auto
cpu ratio - 20x - 4000mhz

turbo mode - disabled

cpu config
- cool n quiet - disabled
- c1e support - disabled
- advanced clock calivabration - disabled

power menu
suspend mode - auto
acpi 2.0 support - enabled
acpi apic support - enabled

apm config - disabled
cpu q fan function - disabled

The system reboots fine but when its from a cold boot it just says "overclock failed" on the post screen and resets the speed. The only way i can stop this from happening is reenabling the turbo mode.

any help would be greatful.
 

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3,638 Posts
I would highly recomend you NOT!!!!! over clock on that board its a 3+1 phase board and has a very high failuer rate when over clocked
 

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yes you can over clock it but then it becomes a question of how long it will last and what other componeats it will take with it when it dose go
 

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If your going to buy new board you may as well have ago to 4GHZ with that board .
Very unlightly to go pop at 4GHZ on 4100
rolleyes.gif


Add some V core
 

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The 970A-D3 still has no VRM cooling, which will be a problem... And don't be fooled by 125w support stated on this "v2", v2 means nothing if the VRM setup stays the same and this board should have the 95w tdp limit like the original m5a78l-m lx.
 

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Discussion Starter #10
that looks a nice board looking around i should expect around 4.5-4.6ghz if i use a decent cooler like the 212 hyper evo or freezer 13?
 

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If you're looking for savings, the 4+1 phase system with cooling on a 970 Extreme3 will do your job pretty well for $85 shipped, esp. given that the FX-4100 typically consumes less power than Phenom II quad cores.
 

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Discussion Starter #13
as in cooling do you mean a decent cpu cooler like the freezer 13 or hyper 212evo or vrm cooling?
 
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