HP Pavilion dv7-2173cl secondary Harddrive support?

Catsrules

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Dec 6, 2008
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I notice on the bottom of my HP Pavilion dv7-2173cl there is a Hard drive symbol (the 3 discs on top of each other) with a number 1, and there is also another one with a number 2 next to it. So i opened it up for a look. and found this
IMAG0057.jpg

(sorry about the image quality my camera was unavailable at the time. so my phone had to do)

It looks like you can add a secondary HD but that connection look proprietary. Does anyone know where i can get an adapter, if i can add a HD?

Thanks for your help