Vga to dvi with cinema displays?

are the aluminum apple cinema display DVI-I or DVI-D? we have some extras and some people with vga computers (analog out) want to use the monitors. will a vga to dvi-i adapter work with these displays? or are they dvi-d (digital signal only)?
thanks

DVI-D digital only. A cheap VGA to DVI adapter won't work. You would need an expensive VGA to DVI converter, such as
<http://www.gefen.com/kvm/dproduct.jsp?prod_id=4341>

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http://www.villagetronic.com/vtbook/index.html
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I admit that I don't know much about your tablet laptop model, but I suspect the inbuilt graphics card is not up to running an extra 23" display (hence the port replicator not working for this display).
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The first one here looks good-
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Vga to dvi with cinema displays?

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