Overclocking Biostar A770e3 with 95W CPU

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monsieurpooh

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Sep 8, 2013
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Currently I have a Biostar A770e3 I bought a long time ago that was rated as 95w. However, as you can see here:

http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=5581073 (second to last review)
http://www.biostar.com.tw/app/en/mb/introduction.php?S_ID=450#cpu (supports 125w cpu's)
http://www.tomshardware.com/forum/299574-30-help-biostar-a770e3

The motherboard now supports 125w cpu's with absolutely no change to the model, only a BIOS update!

I would like to overclock a AMD Phenom x945 3.0 GHZ to maybe 3.6 or so Ghz. I am wondering if the BIOS update would actually increase the safety of overclocking a 95w CPU, or does it simply allow the motherboard to accept 125W CPU's?

In other words, Is this motherboard safe to run a overclocked 95W (therefore higher than 95W) CPU WITHOUT the BIOS update? Or can a BIOS update magically make a mobo able to handle higher wattage more safely?

If the latter is true then can anyone point me to the correct BIOS update, because I can't find it (I can only find BIOS updates in 2010 which I'm pretty sure occurred before this revision)
 
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coastie65
The hardware was probably compliant with 125w, but set in the BiOS for 95w. They were just bringing it up to date. They the lack of voltage probably caused that. Just add a little at a time as needed to keep it stable.
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coastie65

coastie65

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That's not a big OC. What you are talking about is the TDP of the processors. The BiOS was updated to allow for the extra current to feed the 125w things. If you can get a decent clock without haviing to raise the Voltage, you should be fine. The main issue, particularly with AMD is CPU cooling. Make sure you have a decent cooler. A stock cooler won't cut it.
 
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monsieurpooh

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Sep 8, 2013
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Thank you for the response

I'm almost certain I will have to raise the voltage some amount in order to overclock successfully. Today I tried to overclock to only 3.3 GHz without raising voltage but it crashed (blue screen) which I think is the result of too little voltage. So without raising the voltage I can only overclock very insignificant amounts.

I'm still confused whether or not the BIOS update would make it safer to overclock the 95W. You said it allows more current to support the 125W CPU's. Does that mean it makes a difference running an overclocked 95W CPU as well? If the BIOS update actually changes the way the motherboard handles higher power, rather than simply allowing 125W CPU's to be run, then it might be dangerous to overclock my 95W without the BIOS update, right?

I'm definitely going to get an aftermarket cooler so the heat shouldn't be an issue though.
 
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coastie65

coastie65

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May 26, 2010
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The hardware was probably compliant with 125w, but set in the BiOS for 95w. They were just bringing it up to date. They the lack of voltage probably caused that. Just add a little at a time as needed to keep it stable.
 
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