Dual-link DVI?


D

DRS

I have an ASUS 4850 and I recently bought a Dell 2408WFP monitor (native
resolution 1920x1200). The supplied DVI cable is single link and I'm not
complaining about image quality. However, my understanding is that for
single-link DVI to support 1920x1200 @60Hz the video driver has to use
CVT-RB blanking. Given that both the card and the monitor appear to have
dual-link DVI sockets I was curious if there would be any conceivable
benefit to using a dual-link cable.
 
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B

Benjamin Gawert

None of the 24" monitors have DualLink capability, they are all
SingleLink DVI devices. So no, a DualLink DVI cable doesn't bring you
anything.

Ben

* DRS:
 
D

DRS

Benjamin Gawert said:
* DRS:

None of the 24" monitors have DualLink capability, they are all
SingleLink DVI devices. So no, a DualLink DVI cable doesn't bring you
anything.

On what do you base that given that the sockets on the 2408WFP are dual-Link
DVI-D (ie, they look like the DVI-D dual-link in this image rather than the
single-link immediately above it:
http://upload.wikimedia.org/wikiped...Types.svg/181px-DVI_Connector_Types.svg.png)?
Even if it is true I'm curious why Dell would use dual-link sockets.
 
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B

Benjamin Gawert

* DRS:
On what do you base that given that the sockets on the 2408WFP are dual-Link
DVI-D (ie, they look like the DVI-D dual-link in this image rather than the
single-link immediately above it:
http://upload.wikimedia.org/wikiped...Types.svg/181px-DVI_Connector_Types.svg.png)?
Even if it is true I'm curious why Dell would use dual-link sockets.

Because they probably are cheaper (higher volumes) and also allow the
use of DualLink-capable cables.

Even my Geforce2 MX cards and Radeon 7000 cards have DualLink-capable
DVI connectors, as have most DVI devices I have seen (and I have seen a
lot). I can't even remember the last time I saw a SingleLink-only connector.

Benjamin
 

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