10 Pin confusion

March 7, 2010 at 01:21:09
Specs: Windows XP
I am installing a new mobo and my case cables are so totally confusing. The 10 pins are
Purple 2 Ground
Blue 2 +D
Green 2 -D
Yellow 2 +5V
Orange 1 Ground
Red 1 +D
Brown 1 -D
Black 1 +5V
I am putting these on an Asus P5QPL - AM mobo. Please if anybody can make sense I would be greatly appreciative. PS Not a computer wiz so need it real simple to understand jargon :)

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March 7, 2010 at 01:52:05
They will be usb headers(i.e the usb connectors on the case), the mobo manual should define the pins. It's important to get them correct as they may burn or damage the board and/or usb device if connected improperly.

The type of cable used is also important, if it's a flat ribbon then it's usb 1.1 and may not work properly with usb 2.0.

Oh and you listed 8 wires and 10 pins, that's normal, 2 pins are not used.

Here is a image from your mobo manual:

It uses "p" where your cables are markes "d" and they have different numbers. The important thing is to match the two sets of numbers up (ie D1- to P5- and D1+ to P5+) and getting the +5v and ground connected properly.

Here is a link to the support info for that board:


Be absolutely certain before powering on.

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March 8, 2010 at 01:09:54
Thanx Judago but I did forget to say that I did have the case hooked up to another mobo and the cable I speak of was hooked up to USB and LED front panel lights but of course when nothing is tagged it is not so simple.

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March 8, 2010 at 01:59:10
Well then you will need to be a lot more specific.

-> What is there to be connected - how many leds, audio, switches, usb, other?

-> Are there any markings at all? (sometime the little black plugs have stuff written on them.)

-> What colo[u]r are the wires? There isn't much consistency from what I have seen in the past. At times I have seen unmarked wires with a non-standard ground colo[u]r(i.e white).

Again the manual(can be downloaded from asus) will list all of the pinouts, but without the info I can only guess......

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March 8, 2010 at 16:43:25
Again many thanx
The colours and markings I speak of in the first part are the plugs which come from the case itself...this is where I am confused, as not sure as to what goes where on the board itself.
I have just bought the board so do have instructions for board but somewhere in this house is the instuctions from the case but since reno's and such they must be in a "safe place".
Not so easy being a blond LOL
Ah to remember a time when building puters was so simple.

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