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Cutting off ADC Tab from AGP card
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Fresh-Faced Recruit
Join Date: Jul 2007
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The video card (AGP) in my Powermac G5 is dying (as far as I can determine, the Vram is fritzing out). the original card died last summer, this is a replacement (ATI 9700 I got off ebay and flashed the rom).
At the time, someone on another forum sent me an AGP card from a G4 they didn't need.
Sadly, it wouldn't fit in my G5 because of a weird tab (circled in pic below). Otherwise, it's got the same configuration as the card I currently have in the G5.
I have learned that this tab is the ADC tab, which i guess gives the ADC port power for ADC monitors.
This thread: http://forums.macnn.com/65/mac-pro-a...eforce4-agp8x/ implies that the tab could be cut off.
The card has a VGA and an ADC connector..ideally I'd use an ADC->DVI adapter on it.
So my question is, Could the tab be cut off and the card still work and not melt my computer?
http://img408.imageshack.us/img408/33/carddq.jpg
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Professional Poster
Join Date: Feb 2000
Location: Nashua NH, USA
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Fresh-Faced Recruit
Join Date: Jul 2007
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Not with that tab...it doesn't fit.
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Senior User
Join Date: Apr 2002
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Yeah, the G4 and G5 ADC slots are different and some video cards are actually powered by the ADC slot. What card is it?
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Fresh-Faced Recruit
Join Date: Jul 2007
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Originally Posted by ChrisF 
Yeah, the G4 and G5 ADC slots are different and some video cards are actually powered by the ADC slot. What card is it?
It's a Nvdia something out of a Quicksilver, I believe.
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Administrator  Join Date: Jun 2000
Location: California
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You can cut the tab off - the card will not supply power to the ADC port, but the data signal will be present. So you could adapt the ADC port to DVI.
Your G5 has AGP 8x, this might be a problem if the video card is a 2x/4x card. If the card is still incompatible, I don't think it will damage your G5 - it just won't work.
I'd say go ahead and cut the tab off. Worst case - you've ruined a video card worth $5 today.
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