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I just picked up a GTX 690 from Ebay. The card looks good, but needed a good cleaning, dust everywhere. I found a soft bristle small brush and cleaned the PCB side of the card first. Now my question comes when i found a IC chip labled A219 at the bottom of the card at the back end of the PCIe interface. This IC chip is a 8 pin chip and was hanging on by only one connection point. What is the purpose of the A219 IC chip. I am reluctant to install the card as I don't know if it could cause additional problems. Thank you!

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Solder the chip back on. Who knows what it does, but it's there for a reason. Hell, you could do what I did with a clock generator on my sister's GTX 560 Ti and use liquid metal to make the connections and just tape it back in place?

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