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Need help in figuring out why internal usb 3.0 port of my mobo.

Hi my friends,
I bought a HP Pavillion p7-1436s and have some small upgarde on it.

Here is my pc components are :
PSU: Antec 430W
APU: AMD A6-5400k ( FM2 socket ) with Radeon HD 7540d
Motherboard: MSI MS 7778
RAM: Kingston HyperX Beast 16 GB Kit (2x8 GB) 1866MHz DDR3
HDD Drive: 1 1TB blue wd drive
Case :HAF 922 with usb3.0

The problem is that my 20 pin usb 3.0 connector of my motherboard was not working on the I/O port of HAF 922 case.
I bought a NZXT Aperture M Internal 5.25-Inch Mesh Card Reader with 2x USB 3.0 (8c-aper000-w0b) and try to connect the 20 pin connector but the usb 3.0 port of this card reader was not working too.
I connect the 20 pin connector to my old case usb 3.0 port and it WORK @@!
I don't know what is happening.
Can someone enlightening me please ?
Thanks.
5 answers Last reply Best Answer
More about figuring internal usb port mobo
  1. Its an OEM motherboard it probably has a proprietary pin out on the usb connection not a standard like card reader and case. It's just one of the many issues you can run into when reusing OEM motherboards(your lucky it fit in the case many OEM boards dont use standard atx mounts and wont fit in retail cases).
  2. Here is my thinking based on what you said ( I'm noob in motherboard so feel free to attack me)
    Did you mean that i can't use any usb 3.0 device from my case or card reader because my mobo just connect to my old case usb 3.0 connector right ?
    Can you help me figure how to use my card reader and the I/O port ?
    I really don't want to waste them but i hope your ways won't cost too much.
    Thanks.
  3. Best answer
    "Did you mean that i can't use any usb 3.0 device from my case or card reader because my mobo just connect to my old case usb 3.0 connector right ?"
    Correct
    If you have a free pci-e slot get something like this
    http://www.newegg.com/Product/Product.aspx?Item=N82E16815124120
    To try and use the port on the motherboard work you would have to find the pin out of the port then modify the cable on the Card reader and case to match. This would be rather difficult as the pin out as I doubt HP would be willing to provide it.
  4. Thanks for your helps, my friend ^^!
  5. Hate to break it to you, but for a while, HP, when getting boards with USB 3.0 had the manufacturers switch a couple pins around changing how data flowed, and edited there cables accordingly. I found this out talking to a buddy of mine the other day, one of those it conversations that goes off topic from what was at hand and start to talk orm
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