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hammi1 replied to Missing pad on 1080 Ti looks to be non connected...fine to leave it as is?

in Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals

03-22-2022, 01:44 PM
Re: Missing pad on 1080 Ti looks to be non connected...fine to leave it as is?

Thanks for the reply, I couldn't find many sources online about whether the JTAG pads were used, so it makes sense that it'd not be connected. Luckily it looks like that's the only missing pad, so I might be able to restore this card to a fully functioning state

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hammi1 started a topic Missing pad on 1080 Ti looks to be non connected...fine to leave it as is?

in Troubleshooting Desktop Motherboards, Graphics Cards, and PC Peripherals

03-22-2022, 06:41 AM
Missing pad on 1080 Ti looks to be non connected...fine to leave it as is?

Hello! I'm replacing a RAM chip on my 1080 ti and may have taken the old one off too soon, as one pad seems to be missing.

According to the Micron datasheet, it seems to be TDO (JTAG Test Data Out). On the PCB I don't see any connections (i.e. tracks) connected to that pad. Am I right in thinking I can leave it as it is when I put a new chip? (I might have to strategically remove the TDO solder ball on the chip so it doesn't try to flow anywhere else)

Thank you...

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hammi1 replied to New Members - please post your introductions here

in Announcements & Related News

03-21-2022, 08:12 AM
Re: New Members - please post your introductions here

Hi all,
Electrical & electronic engineer, am software engineer by trade but do board repairs as a sort of hobby. Just started getting into GPU board repairs too.

Nice to see you all

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Missing pad on 1080 Ti looks to be non connected...fine to leave it as is?

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