Connecting Individual Wires to USB Headers?!

joshg

Golden Member
Jul 3, 2001
1,359
0
0
Hey guys, this seemed really technical, so I'm posting it here in hopes some type of engineering/hardware guru can help me out.

I'm trying to set up two front access USB ports on a system. I'm using an EPoX 8KTA3 Motherboard, which has a header for 2 additional USB ports. The pins are in two rows, labeled 1-5 and 6-10. A cable w/ 2 ports is included in the EPoX package, but using it you have to either 1) have the two additional USB ports on the back of the case, or 2) do some custom modding to put them on the front :)

Anyway, according to the manual, this is how the included cord should be connected:


PIN#     Wire color     Signal Name     Comment
-------------------------------------------------------
1        Red            Vcc             Cable Power
2        White          -Data           Data
3        Green          +Data           Data
4        Black          Ground          Cable Ground
5        Black          Ground          Case Ground
6        Black          Ground          Case Ground
7        Black          Ground          Cable Ground
8        Green          +Data           Data
9        White          -Data           Data
10       Red            Vcc             Cable Power
-------------------------------------------------------

Now, I am not wanting to use the included cord because I bought a case that has 2 USB ports on the front, it already has a cord coming from it. With it all of the wires are seperated out individually with their own connectors, the colors are:

Orange
Blue
Yellow
Brown
Gray
Red
Green
White
2 Black

Also, you can view more information about the case here.

The two black wires are the exact same type of wires that the 5 and 6 pin wires (the "Case Ground" ones) on the adapter that comes with the EPoX (they are thicker--more instulation--and have numbers printed on them). Can anyone enlighten me as to which wires go where?!? The case did not come with any manual or anything, it is manufactured by a company named Aspire, http://www.aspireusa.net. They have no support information regarding cases on their whole website, I have emailed them but have yet to receive a reply (it's only been a day, plus it's the weekend, but I don't wanna wait till monday maybe someone here knows?! :) ).

I uploaded some pictures to maybe explain a little better (sorry for the webcam, my digital camera is in Mexico right now on vacation, lol).

pic1 - A picture of the USB connector included w/ the EPoX.
pic2 - A closeup of the connector for the EPoX USB connector.
pic3 - A pic of the connector for the USB ports on the case, notice how each wire has it's own single connector.
pic4 - A pic of the header pins from the manual.
pic5 - Another pic from the manual, this is how the pins are actually laid out on the mobo.

Also, the link to the case can be found here. Not much info here though.. :(

So, can anyone enlighten me as to how these wires should go, which ones on each pin? Thanks, please LMK! :)

- Josh
 

Killbat

Diamond Member
Jan 9, 2000
6,641
1
0
OK, so we assume that pins 1-5 and 6-10 are the two USB ports, it kinda looks that way.

Can you analyze the cables with a continuity checker / ohmmeter?

[edit] I'm reading over some PDFs from www.usb.org, hang on.

[edit] OK, whether this helps or not, I don't know.
If you're looking into the USB sockets...
They're rectangular...
Turn them "sideways"...
Orient them so that the tab inside is nearest the top of the socket...
In this orientation, there should be four electrical contacts along the bottom of said tab...
Those are the four lines of the USB spec. They go in order (1)VCC, (2)D-, (3)D+, (4) GND
This, plus maybe a multimeter, should be enough to figure out how to connect that thing.