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Accidental Motherboard mod :)

post #1 of 12
Thread Starter 
Okay I know quite a bit about computers, but I will admit when in the realm of the electronic portion of it all I am a newbie. So needless to say I am a bit confused at the moment as I recently knocked off a capacitor by accident from my motherboard. It was pretty much at a 90 degree angle and crooked and very fragile it seems as when I touched it installing my new heat sink it fell off very easily. I have a 680i nvidia mobo and the capacitor I am talking about is the one just below the cpu socket to the left. It s pretty small and has a purple marking on top. I believe the number is C9C6.

Anyways at the moment I can run the computer fine but at the moment my PCI-E slots are running at 1.5V and my HT (SPP-MCP) is running at 1.45V according to the NVIDIA Monitor software. Now I have an 8800 GTX in my PCI-E slot and from what I have heard 1.5V is actually in the safe range for overclocking. Now I don't know what the Safe Voltage range for the HT is. My temps also seems to be decent with my GPU at 72 degrees idle and cpu at about 37 degrees idle. with the gpu only going up to about 75 degrees under load and cpu going up to about 38-40 under load.

Basically what I am asking is, even if the voltages/temps are in a safe range. Should I get a new mobo even if it seems to work with one missing capacitor? because at the moment all it seems to have done is slightly OC some of my hardware.
post #2 of 12
just solder it back on- it's really not hard.
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post #3 of 12
RMA it..


And welcome to the forums!!!!! Please add your system specs to you account so we can see what were dealing with HERE.
post #4 of 12
Quote:
Originally Posted by F3t1sh View Post
RMA it..


And welcome to the forums!!!!! Please add your system specs to you account so we can see what were dealing with HERE.
Damaged mobo cap usually means voided warranty.
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post #5 of 12
Quote:
Originally Posted by DuckieHo View Post
Damaged mobo cap usually means voided warranty.
Lame-o

LOL tell them that when you took the mobo out of the box, this little silver thing fell out of the black lined bag.

xP
post #6 of 12
If the capacitor wasn't placed very well there's no reason they shouldn't take it back for an RMA. I mean they are pretty hard to damage unless you are completely careless and apply some pressure.
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post #7 of 12
cap is usually to smoothen out current ,the voltage has not increased but it is reported increased by sensors because ,It has turned from pure dc to half wave or pulsating dc,which is very dangerous ...

but a point to contradict is that ,most of gpu's have inbuilt power capacitors to smoothen out current,

hence it depends on you whether you want to get a new one or use the old.

Ps: Personally I'll solder the cap back if I were you///
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post #8 of 12
It sounds like that cap was probably used for voltage regulation to reduce unwanted ripple and noise. In a circuit to do that, the cap is installed in parallel with whatever device is drawing the current (in your case the SPP). So even though you removed it, you didn't actually disconnect any circuits. However, you did increase the resistance on one of the other parts placed before it which will increase the heat they produce and decrease their lifespan.

Running without this cap is absolutely safe as long as you have a very good power supply with extremely low ripple. And don't expect your board to last longer than maybe 2 years at most. But thats ok, by then a replacement board will be very cheap.
Edited by Manyak - 6/23/08 at 12:33pm
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post #9 of 12
Thread Starter 
wow you guys are fast to reply. I will look into doing an RMA. Might as well give it a try, worse that can happen is I can't do it. Might look into soldering it. Have to see if I can find it first as I showed it to my friend and not sure where he put it. It is tiny so should be a fun search. If I can't find it I might look into getting a new capacitor but I hear radioshack capacitors are the crap. This has been a bad month for my electronics it would seem. first the 360 dies then while applying some thermal paste on my cpu the plastic nubs on my scythe heat sink break to the point of no return. So I get a new heat sink and bam a crappy soldered capacitor comes off. On the upside I am loving the Zalman CNPS9700 heat sink. Mostly because the plastic nub mounting system sucks big time. Call me old fashioned but I love a good ol' fashioned screw mount (bow chika bow wow)
Edited by loki009 - 6/23/08 at 2:00pm
post #10 of 12
depending on the size of the cap you could get the details of the casing buy another one pull it off the board "carefully" to expose the 2 legs make a note of polarity "+-" and if you are handy with a soldering iron solder the new one back on, thats what i would do, unlike most printed circuit boards or "pcb" an motherboard could have a minimum of 7 pcb layers so just soldering the otherside of the board is a no go. anyway thats my 2 cents hope this helps. go for it dude.
max...


omg i am a bit late with this post lol
    
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