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VDroop... what izzit?, does it affect other brands too??
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matyrze
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 Jul 10 2008, 01:50 PM
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QUOTE(Reuben @ Jul 9 2008, 10:03 AM) Indeed there are some articles which state 'vdroop' as a feature to prevent damage when switching from low to high loads. I am unable to verify this. yes. i read some articles said like that. there will be a very short time that the electric current (or voltage?  cant remember correctly) will jump much higher than it should be during the change from low to high load. this phenomena is the threat to our cpu, as the high current will burn out the cpu. so vdroop is kinda normal. of course OCers are looking to minimize it, but it is something to protect the cpu. that is what i have read. i cant remember where i read that though. please correct me if i am wrong.  |
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matyrze
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Jul 11 2008, 11:12 AM
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QUOTE(bryanyeo87 @ Jul 10 2008, 03:29 PM) Vdroop is there to protect both the CPU and motherboard mosfets from from overshoots in load to idle transitions Take for example, On the P35-DS3, the bios set voltage is the absolute max that the cpu will be fed considering from overshoot from load to idle transitions. That is why upon monitoring, the droop appears to be alot. This implementation should be apparent in most motherboard that do not have load line calibration. This "phenomenon" is there due to the current limitations of power delivery designs, as the capacitor and chokes feeding the cpu with power require a "split" second charge up, as well as discharge. It is also apparent in gpu's as well. However, if you understand this and would still like to mod the board for a lower droop, all you need is a multimeter and a pencil so does it mean the vdroop is controlled by mobo to prevent the "limitations in psu design" from burning our cpu?vdroop is really made to be exist by mobo manufacturers intentionally right?so using a pencil to to get a smaller vdroop is kinda suicidal also right? |
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matyrze
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Jul 14 2008, 10:14 PM
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i guess for ocer, they have to find some 'balance' about vdroop..between shortening hardwares lifespan and get higest OCed cpu speed..
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