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Hi Color Resolution Video Card & Display with DVI Link



 
 
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  #1  
Old April 15th 04, 11:37 PM
Ronald
external usenet poster
 
Posts: n/a
Default Hi Color Resolution Video Card & Display with DVI Link

I'm new to this particular group and hope someone can provide some
guidance.

I'm looking for video cards and displays that can support greater than
24-bit color depth (8-bit per RGB color channel) over a DVI interface.
In particular, I'd like the video stream be sent over the digital
portion of the DVI cable as opposed to the analog portion (I am not
referring to an analog VGA cable).

Does anyone have suggestions for vendors, dealers, or websites to
contact?

For more details please see below:

I need to put together a workstation to support high-color precision
scene generation. My job is to put the hardware together, other people
will be handling the CG scene generation software.

I know that current generation GPU's are capable of handling high
numerical precision (e.g. floating point) data within their pipelines,
including color/shade info. The pixels coming out of the pipe are then
dumped off the board at lower color precision, either 8 or 10-bit per
RGB channel. Most high-end video card specs are calling out triple
10-bit DAC's, so that implies 10-bit per color channel data is being
transmitted either thru the VGA cable or the analog portion of the
DVI-I cable. However, I don't know if the 10-bit per color data is
available over the digital portion of the DVI-I cable (which is what I
need). This would depend on whether the video card vendor is utilizing
their TMDS transmitter's second link in their DVI interface
implementation.

Likewise, on the display side, I need a display that can handle 10-bit
per color RGB using the DVI digital link. If you've read this far, I'm
sure you will be thinking that usually only LCD displays will come
with a DVI interface, but LCD's usually have inferior dynamic color
range compared to CRT's. I know this is ironic, but this is what I
need for our system Your feedback is appreciated.

R
  #2  
Old April 16th 04, 02:56 AM
duralisis
external usenet poster
 
Posts: n/a
Default

Ronald wrote:

I'm new to this particular group and hope someone can provide some
guidance.

I'm looking for video cards and displays that can support greater than
24-bit color depth (8-bit per RGB color channel) over a DVI interface.
In particular, I'd like the video stream be sent over the digital
portion of the DVI cable as opposed to the analog portion (I am not
referring to an analog VGA cable).

Does anyone have suggestions for vendors, dealers, or websites to
contact?

For more details please see below:

I need to put together a workstation to support high-color precision
scene generation. My job is to put the hardware together, other people
will be handling the CG scene generation software.

I know that current generation GPU's are capable of handling high
numerical precision (e.g. floating point) data within their pipelines,
including color/shade info. The pixels coming out of the pipe are then
dumped off the board at lower color precision, either 8 or 10-bit per
RGB channel. Most high-end video card specs are calling out triple
10-bit DAC's, so that implies 10-bit per color channel data is being
transmitted either thru the VGA cable or the analog portion of the
DVI-I cable. However, I don't know if the 10-bit per color data is
available over the digital portion of the DVI-I cable (which is what I
need). This would depend on whether the video card vendor is utilizing
their TMDS transmitter's second link in their DVI interface
implementation.

Likewise, on the display side, I need a display that can handle 10-bit
per color RGB using the DVI digital link. If you've read this far, I'm
sure you will be thinking that usually only LCD displays will come
with a DVI interface, but LCD's usually have inferior dynamic color
range compared to CRT's. I know this is ironic, but this is what I
need for our system Your feedback is appreciated.

R


Ever checked out Matrox? They're really the current king of
old-fashioned 2d display drivers. The "Parhelia" (or whatever it is),
has 10 or 12-bit color if I remember correctly. Pricey, but it might
fit the bill, especially with 3 dvi outs.
  #3  
Old April 16th 04, 04:19 AM
teqguy
external usenet poster
 
Posts: n/a
Default

duralisis wrote:

Ronald wrote:

I'm new to this particular group and hope someone can provide some
guidance.

I'm looking for video cards and displays that can support greater
than 24-bit color depth (8-bit per RGB color channel) over a DVI
interface. In particular, I'd like the video stream be sent over
the digital portion of the DVI cable as opposed to the analog
portion (I am not referring to an analog VGA cable).

Does anyone have suggestions for vendors, dealers, or websites to
contact?

For more details please see below:

I need to put together a workstation to support high-color precision
scene generation. My job is to put the hardware together, other
people will be handling the CG scene generation software.

I know that current generation GPU's are capable of handling high
numerical precision (e.g. floating point) data within their
pipelines, including color/shade info. The pixels coming out of the
pipe are then dumped off the board at lower color precision, either
8 or 10-bit per RGB channel. Most high-end video card specs are
calling out triple 10-bit DAC's, so that implies 10-bit per color
channel data is being transmitted either thru the VGA cable or the
analog portion of the DVI-I cable. However, I don't know if the
10-bit per color data is available over the digital portion of the
DVI-I cable (which is what I need). This would depend on whether
the video card vendor is utilizing their TMDS transmitter's second
link in their DVI interface implementation.

Likewise, on the display side, I need a display that can handle
10-bit per color RGB using the DVI digital link. If you've read
this far, I'm sure you will be thinking that usually only LCD
displays will come with a DVI interface, but LCD's usually have
inferior dynamic color range compared to CRT's. I know this is
ironic, but this is what I need for our system Your feedback
is appreciated.

R


Ever checked out Matrox? They're really the current king of
old-fashioned 2d display drivers. The "Parhelia" (or whatever it
is), has 10 or 12-bit color if I remember correctly. Pricey, but it
might fit the bill, especially with 3 dvi outs.








The Parhelia has the best DVI output I've seen in a very long time....
but also the worst 3D performance.

If you don't need the 3D output, you can get a lot on one of these
cards for a decent price.


But if you need workstation perfomance check out 3DLabs.

Ever since they were bought by Creative Labs they've kicked ass.


VERY pricey, but I can contest that every cent is worth the rendering
performance.
 




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