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Old 01-05-2013, 09:54 PM   #1
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Join Date: Jan 2013
Posts: 1
Default Piece of the motheboard damaged

I accidently damaged a part of the motherboard (ASUS P8Z68-V PRO). Iím not really sure what the term for it is called, resistor/transistor? Iím wondering if I should do anything about it or leave it be, because right now I have the PC on and everything seems to be working fine.

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Old 01-05-2013, 10:09 PM   #2
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The form factor is called SO (Small Outline), and the part could be a resistor or a capacitor. Is there a part number silkscreened anywhere near the part? If it starts with an "R," it's a resistor; if it starts with a "C," it's a capacitor. If there are any numbers on the part, they could identify the value. A magnifying glass will help to read them on parts that small.

If you can identify it, the part is cheap enough. The bigger problem is finding a place that will sell just one or two because they are usually sold to manufacturers in bulk. Some experience with a low temperature soldering iron and steady hands would help. If you don't have a lot of electronic experience, maybe one of your friends or family can help.

From its position next to the chip and the fact that the board is still working, it could be a decoupling capacitor, which is used to shunt any noise on a power line to ground. If that's what it is, you could notice spontaneous reboots or lockups or other intermittant weird behavior under some conditions.

Use the board until it starts to fail, and replace the part if/as you can get it done. If you or any of your friends don't have the skills to fix it, a competent tech may charge you the price of a replacement board just for the labor time to repair it, but of course, you can always ask a good repairman for an estimate.

Hope that helps. Good luck.

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Last edited by Harvey; 01-05-2013 at 10:21 PM.
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Old 01-06-2013, 08:43 AM   #3
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if it is new try rma.
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Old 01-06-2013, 08:50 AM   #4
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as far as i can tell an ASM1440 is a PCI-e multiplexer. from similar devices (can't find a datasheet for it) it looks like there aren't really any necessary passives so the broken part is probably a decoupling capacitor that is placed between the +3.3V and ground rails. you're probably okay unless the pieces short out or you start getting card errors from the slots around it.
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