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What would happen if you put a 125 watt processor into an 95 watt supported motherboard?

post #1 of 10
Thread Starter 
Basically I can't find any information regarding wattages on my motherboard, and there's a 1045T in there right now which is a 95 watt.

Say if I put a Phenom II 970 or something in there and it does only support 95 watts, what would happen? Error message? Fail to start? Motherboard catches on fire?
post #2 of 10
It all depends on what you do with the cpu. If you set it up so it goes to 100% output with a good overclock, damage to the motherboard could result. The chances for damage decrease as you lighten your demands on the circuits on the motherboard that power the cpu. It is not going to be some dramatic event like plugging a device intended for 115VAC into a 220VAC outlet (assuming you worked it out so you could make the plug in). Ratings are given for both the safety of people and protection of property. If you dismiss these ratings you increase the chances for damage but it is hard to say what will happen with just a 30W abuse of the equipment. It is like saying "what will happen if I use 22gague wire when 18 gague is called for". What will happen is you will be operating out of spec, and these specs concern electricity.
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post #3 of 10
What motherboard do you have?

It can burn out the VRMs or the Chip is very unstable.
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post #4 of 10
I would guess you are dramatically reducing the lifespan of the motherboard.
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post #5 of 10
Your motherboard should be downclocking your CPU during loads to prevent VRM damage. After an extended period of time you risk frying them, or something else.
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post #6 of 10
Where are the links to all those fried 4 or 6 phase boards?
    
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post #7 of 10
TDP is the average heat generated by the cpu, and not the actual power consumption.
Just make sure you have good cooling for your motherboard so it doesnt blow up.

I have a 125 watt cpu running on my 95 watt board for over 4 months now.
Its only 3 phase but I placed intake/exhaust fans directly near the VRM.

no problems here, no crashes, temperature is 36 - 48 celsius average.
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post #8 of 10
Quote:
Originally Posted by edalbkrad View Post

TDP is the average heat generated by the cpu, and not the actual power consumption.
Just make sure you have good cooling for your motherboard so it doesnt blow up.
I have a 125 watt cpu running on my 95 watt board for over 4 months now.
Its only 3 phase but I placed intake/exhaust fans directly near the VRM.
no problems here, no crashes, temperature is 36 - 48 celsius average.

Don't try for 4 GHz.
    
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post #9 of 10

It either won't boot due to total lack of BIOS support, or will boot... but you will probably run into some very serious, fatal problems later.  Don't try it.

 

Where are the links to all those fried 4 or 6 phase boards?: My sig, see that

kiwiasian: Not all brands feature VRM protection, i.e. MSI has no such VRM protection.  ASUS uses it regularly.

post #10 of 10
I dropped a 125W 955 Black Edition in my M4A78LT-M LE, the default voltage was 1.51v set by bios, quite the hot guy, undervolting to 1.3v put the temperature below 50c at all times, and motherboard temp below 37c. A poor air circulated cabinent mind you. with 16c ambient temperature tried 4ghz, played crysis 2 for 2hrs. It ran fine, 7-10fps gain. 2600mhz NB too.
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