{ "numMessagesInTopic": 10, "nextInTime": 1469, "senderId": "Zi_HuY8xnx3fGXxC0ws8KhA3c8HqXCnW8pWGZBZBoQzXCwkXDecbRk4zFifxRw3ldAEAtclnlPai7R77EhonFVfO-uy7gZyd_Z92", "systemMessage": false, "subject": "Re: Working home-built converter box!", "from": ""yeangchng" <yeang_chng@...>", "authorName": "yeangchng", "msgSnippet": "What are you talking about? The converter box takes a DUAL-LINK connection and sort of splits them into two single link connections. The original cable as", "msgId": 1468, "profile": "yeangchng", "topicId": 1466, "spamInfo": { "reason": "12", "isSpam": false }, "replyTo": "LIST", "userId": 39184597, "messageBody": "
>only
\n> Hi,
\n> If you check the original cable,you see the DVI connectors do the
\n> same as you do,the connectors are differend coupled so they give
\n
> each single link to the monitorDVI
\n>
\n>
\n>
\n>
\n>
\n>
\n>
\n> --- In IBM_T2X_LCD@yahoogroups.com, "yeangchng" <yeang_chng@>
\n> wrote:
\n> >
\n> > Hi all,
\n> >
\n> > Just a quick update on the "home-built" converter box project.
\n> Well,
\n> > not really home built, as the heart of the system is a Kramer
\n
> > distribution amp suggested by Wilson, the VM-2DVI, which can beamplified,
\n> > found online for $200ish.
\n> >
\n> > Again, the whole idea is to send the dual-link signal to a 1x2
\n> > distribution amplifier so that the dual-link signal is
\n
> > duplicated and output to 2 (dual-link) connectors. Each outputas
\n> > connector has a wire brace attached to it with the assignments
\n
> > detailed in one of my earlier posts, which I will repeat here:on
\n> >
\n> > Pin Assignments:
\n> > Input pin # Output 1 pin # Output 2 pin #
\n> > 1,2 (Red 1) 1,2
\n> > 9.10 (Green 1) 9.10
\n> > 17,18 (Blue 1 + dig sync) 17,18
\n> > 4,5 (Green 2) 9,10
\n> > 12,13 (Blue 2) 17,18
\n> > 20,21 (Red 2) 1,2
\n> >
\n> > All other pins from Input are split and go to the same positions
\n
> > both Output 1 and 2, ****EXCEPT**** for the +5V pin on output 2,the
\n> > which is NOT**** connected. This was critical, and came from a
\n> > little tidbit from Mr. Wright, who hinted that the absence of
\n
> 5Vdecoding
\n> > was the signal to the DG5 to go into the special dual-link
\n
> > mode.a
\n> >
\n> > For a list of the pinouts, see here:
\n> > http://en.wikipedia.org/wiki/Digital_Visual_Interface
\n> >
\n> > Make sure that you are referencing it to the female connector
\n> > looking at the socket.... I forgot at first and had to resolder
\n
> > few connections.female
\n> >
\n> > It took me about 2.5 hours or less to strip a DVI cable for the
\n> > required wires, and to do all the soldering to some male and
\n
> > DVI connectors that I got from www.pacificcable.com. I ran homeand
\n
> > plugged it all in, not expecting very much, but once I set theEDID
\n
> > to 2, Powerstrip let me push the pixel clock to 250+Mhz for 26Hzactive,
\n> > refresh @ 3840x2400 easily, with only 1 dual-link connector
\n> attached
\n> > to the graphics card!
\n> >
\n> > The info panel on the monitor also showed 2 inputs as being
\n
> > so all indications are that the converter box is working as ithigh
\n> > should.
\n> >
\n> > I am by no sense "good" or "handy" with a soldering iron, and
\n> > probably did a very bad job putting the stuff together... so it
\n> > really seems like the fault tolerance of this system is pretty
\n
> > as long as you don't make a wrong connection, which is easyenough
\n
> > to check.
\n> >
\n> > More details to come, and I'll get photos of the wire braces and
\n> > setup over the weekend!
\n> >
\n> > Yeang
\n> >
\n>