What happens with too much voltage?

PsycoGeek

PsycoGeek

[H]ard|Gawd
Joined
Jun 25, 2000
Messages
1,226
This:

burnt.jpg


My old system board, see sig for specs. I finally got the time to take a good look at the board after I removed the MOSFET cooling cover. No wonder it was "unstable" (I.E. wouldn't even post anymore). :D
 
heheh someome's board got smacked, great picture
too bad its toast
Atleast you have a paper weight now ;)
 
Danith said:
so.. what was 'too much voltage' :p
Click to expand...

I do beleive it was around 1.6v... Mabe a tad bit more (1.6125). I was trying to hit the 4ghz mark and keep it stable. Two hours into a 2xPrime '95 session I heard a pop from my speakers and turned around to see my PC rebooting. I knew it wasn't going to be good at that point, but rushed to the keyboard to lower FSB and voltage, but she just wouldn't boot anymore... The intent was to keep that system for another 6 months at least, mabe a year, with a Gainward 7900GS 20 pipe 512mb AGP card (have to purchase those from Europe).

I don't really consider motherboards eligible for the "paperweight" category, but mabe a CAP repository, and definately good for some fan/power connectors and soldering practice...
:D

<edit> I just really noticed this... On the left, the top layer of epoxy had been cracked and blown right off! It's also cracked next to the MOSFET, and on the right the board looks a little chared right along the MOSFET. NEATO!!!
 
The setup ran @ 3.87ghz for well over a year, probably closer to two. I ain't complaining at all... Besides... now I got a Yonah!
 
Spazilton said:
That an IC7-MAX3?
Click to expand...

Yup, sure is... uhhhhh... was. :D

<edit> Another thing I found that is, um...., strange. The PCB is distorted and warped right where the big CAP is. It isn't from too much pressure from the water block mounting either because the warpage is between the two voltage regulators (I incorrectly called them MOSFETS before), which are also fried. Upon closer inspection I discovered they are BOTH charred! The voltage regulator on the right also has peeling epoxy coating around it, but not visible in the picture.
 
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