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dvi connectors
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May 20, 2006, 09:45 AM
 
I have just purchased a dvi to vga adaptor so that I can use my vga monitor (apple studio 21')

the graphics card has two ports on the back - one vga and another strange one which i believ is dvi

but the dvi adaptor I got doesn't fit

all of the pins look correct apart from four small pins surrounding the flat pin

does this mean anything to anyone? - are there different versions of DVI? ( the card is a AGP ATI Rage128 pro 16mb)

and I'm using a powermac g4 (AGP)

rich
PowerMac G5 Dual 1.8GZ, 2GB RAM, 150 & 300 GB Internal Hard Drives, AGP Geoforce 5200 64MB Graphics Card, Superdrive.
     
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May 20, 2006, 09:58 AM
 
Sounds like the 'DVI' port is an ADC port
iMac Core Duo 1.83 Ghz | 1.25GB RAM | 160HD, MacBook Core Duo 1.83 Ghz | 13.3" | 60HD | 1.0GB RAM
     
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May 20, 2006, 11:24 AM
 
Originally Posted by harrisjamieh
Sounds like the 'DVI' port is an ADC port
I think it might be

I'm considering upgrading the video card

I want to have two vga connection Apple Studio Displays (21') connected as dual displays

what graphics card would you recommend? (of a decent memory - 32mb or 64mb)

rich
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May 20, 2006, 01:27 PM
 
Originally Posted by harrisjamieh
Sounds like the 'DVI' port is an ADC port

this is a picture of the connector - is it DVI?

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May 20, 2006, 01:38 PM
 
Oh I see, that is a DVI-D port, whereas it sounds like the adaptor you got is DVI-I:

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May 20, 2006, 01:43 PM
 
That is a DVI-D connector. It won't do what you want because it omits the analog signal pins to drive a VGA adapter.

You need a new or 2nd video card anyway. The Rage 128 Pros were not dual-monitor cards. They had dual outputs, but that was for a choice of displays. If you plug into both at the same time, you only get the digital output - the VGA will go blank.
     
   
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