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Brentar

Warped motherboard?

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Posted · Original PosterOP

So I was in a heated debate with someone who said that 8 years ago they were running so many things at once that it quote "Maxxed out their CPU" and by doing this, overheated it even though they claim that their case had proper airflow and their CPU cooler was perfectly fine, and they claim that it got so hot that it "Warped the motherboard and made the screws and standoffs fly around the case". I badgered them for more information because I wanted to know if this actually happened and all I could get was that, they never told me the CPU their CPU cooler, or case, or even what programs they were running, and claim to have 10 years of experience building computers so its "obviously true". What would you people think?

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im saying BS to that story. 


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1 minute ago, Brentar said:

So I was in a heated debate with some guy who said that 8 years ago he was running so many things at once that it quote "Maxxed out their CPU" and by doing this, overheated it even though they claim that their case had proper airflow and their CPU cooler was perfectly fine, and they claim that it got so hot that it "Warped the motherboard and made the screws and standoffs fly around the case". I badgered them for more information because I wanted to know if this actually happened and all I could get was that, they never told me the CPU< their CPU cooler, or case, or even what programs they were running, and claim to have 10 years of experience building computers so its "obviously true". What would you people think?

Defenitly not true, unless his cpu reached a 1000C or something.(very unlikely)

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Posted · Original PosterOP
Just now, timl132 said:

Defenitly not true, unless his cpu reached a 1000C or something.(very unlikely)

 

Just now, Skiiwee29 said:

im saying BS to that story. 

Yep I assumed so

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well, that's a heck lot of bs. only a psu could couse something like that.


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not possible. the only warp mobo scenario i have ever heard was because they didnt use all the mobo screws and from the cpu heatsink and heavy video card

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Fiberglass doesn't usually warp from heat only force applied to it


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5 minutes ago, Brentar said:

They also were like "drop the subject!!!" when I tried calling them out on their BS

This is usually a key indicator that someone's pants are on fire.

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The circuit board can delaminate (split into layers) if it's running at 110c or more for long periods of time (tens to hundreds of hours) - that's why most VRMs have over temperature protection and try to keep the mosfets at 100c or less, even though they're rated for 125c or 150c usually.

But such splitting wouldn't cause mechanical stress big enough to cause standoffs to become loose or have thread break, or to have screws unthread from standoffs.

 

I say it's really big exaggeration on his part. It's way more likely that VRM mosfets would explode or the electrolytic capacitors (because you say it's some time go, so the board probably was before solid/polymer capacitors) would blow or vent out if the circuit board to which they're soldered becomes so hot.

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2 minutes ago, BuckGup said:

Fiberglass doesn't usually warp from heat only force applied to it

It was an old PC though, so it could be the paper based PCB ones.

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Just now, timl132 said:

It was an old PC though, so it could be the paper based PCB ones.

No, motherboards are 4 layers and up, it's really rare to have multi-layer pcbs made with phenolic paper.

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1 hour ago, timl132 said:

Defenitly not true, unless his cpu reached a 1000C or something.(very unlikely)

Melting point of Si is 1400 °C so i guess he can adjust voltages a bit more and get a higher overclock.

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