Re: TV-Out question A8N-VM CSM

Hi Paul,

Thank you so much for your detail explanation. Either way whether it work
for me or not, very much appreciated for your patient & time. Hopefully I
can help you or others in future.


Thanks again,
Carrot

"Paul" <nospam@xxxxxxxxxx> wrote in message
news:nospam-2811051155130001@xxxxxxxxxxxxxxxx
> In article <438b0461$0$17706$afc38c87@xxxxxxxxxxxxxxxxxxxx>, "lsho"
> <lsho@xxxxxxxxx> wrote:
>
> > Hi Paul,
> >
> >
> > Are you able to tell me briefly how to make that resistor?
> >
> >
> > thanks,
> > Carrot
> >
>
> OK. The following device is connected to CVBSout and GND.
> That is composite video, which would normally be connected
> via an RCA connector.
>
> Parts list - in an ideal world:
>
> http://www.frontx.com/order_c.html
>
> (1) CPX075-2 - this is a plastic holder, and is not the
> same thing as a disk drive jumper. A disk drive
> jumper is a short circuit and would be an overload.
>
> http://www.frontx.com/cpx075_2_1.gif
>
> (1) CPX076 - package of 10 female pins. You will need to
> use 2 pins from this package of 10.
> Brass colored end goes over the motherboard header,
> tin colored end is where a resistor is crimped.
>
> http://www.frontx.com/cpx076p1.gif
>
> In Aus, I found this electronics business. I don't know what
> their minimum order terms are.
>
> http://au.farnell.com/jsp/home/homepage.jsp
>
> A 75 ohm resistor, for example, like this one, is the last
> part you need:
>
> http://au.farnell.com/productimages/farnell/standard/42253825.jpg
> http://au.farnell.com/jsp/endecaSearch/partDetail.jsp?SKU=770486&N=401
>
> My problem is, I have a tough time finding the FrontX components,
> in catalogs like the Farnell one. So, an alternative, is to
> snip the connector, plus a bit of wire, from the end of a dead
> computer case fan.
>
> Snip the excess lead length off the resistor. You will only
> need two adjacent pins in a three pin fan connector, so the
> third wire, if one is present, can be cropped real short.
>
> Strip the plastic insulation off of two adjacent wires.
> (Wires separated by 0.1" distance.) If you expose about 1"
> of bare wire, it should wrap pretty easily to one end of
> the resistor. Snip the excess lead length off the ends of the
> resistor, leaving only enough tinned lead on there, to hold
> the wire you are wrapping on it. Affix electrical tape (black
> vinyl) over the wires, so there is no danger of your
> "project" touching anything on the motherboard. This is the
> circuit you are building:
>
> 75 ohm
> +------/\/\/\-------+
> | resistor | <--- keep slack wire length short,
> | | like 1" or less of slack wire
> +------+ +---------+ on each side. Use tape to
> | | cover the bare wire to
> | | + avoid shorting.
> | | |
> --------- 3 pin female fan
> | | connector, from an
> |X X X | old motherboard fan.
> ---------- Cut off the third wire, if present.
> \
> ^ ^ \____ the empty one doesn't connect
> | | to anything.
> | GND
> |
> CVBSout
>
> If the small plastic index ribs on the fan header get in your
> way, use a small file to grind them off. Do not attempt to
> remove the unused third pin on the end of the housing, as you
> may destroy the strength of the rest of the plastic.
>
> For a home builder, the easiest way to strip the plastic off
> the ends of the fan wires, is to use a razor blade. Place the
> razor blade over the wire, and rotate the wire on your table,
> while applying the razor blade. It takes a deft touch, to sever
> the plastic, and not damage the wire inside. Take the wire in
> hand, and pull on the plastic insulation, and it should slide
> off, exposing the wire.
>
> The result, should be a 75 ohm resistor, connected from CVBSout
> to GND. A GPU, such as the Nvidia one on your motherboard, should
> be able to detect the 75 ohm load, and it will assume the load is
> caused by the baseband video input on a TV set.
>
> As I said before, I cannot guarantee this will work, because
> the actual issue could be a software or a BIOS one. The Nvidia
> web site claims the chip supports multiple monitors, so in the
> fullness of time, with BIOS and driver updates, it should
> start to work.
>
> If this test succeeds, and yet it doesn't work with the Asus
> adapter you bought, the adapter pinout may not be correct for
> this motherboard. That is a very remote possibility, as the
> pinout is so simple, they could hardly screw it up.
>
> HTH,
> Paul


.

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