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The mkiv Supra Owners Club

usb soldering technical question


far

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the pic below is the internals of a usb port in a laptop - colour coded, question is, instead of opening the laptop up if I solder into the four metal strips in the usb port from the outside do I still follow the colour code or is it somehow reversed?

 

 

http://www.bit-tech.net/content_images/2007/12/add_more_storage_space_to_your_asus_eee_pc/wiring1.jpg

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It will more than likely be flat, since crossing over connections across a PCB is an absolute nightmare. Be very careful soldering onto the port directly, a motherboard is usually multilayer and don't take heat cycles too kindly. Any particular reason you are soldering directly to the board?

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Any particular reason you are soldering directly to the board?

 

 

I'm integrating a 3G (usb) modem inside the expansion slot of a laptop so the modem doesnt flap about outside.

 

I would prefer to solder to the connectors on the USB from the outside and avoid the motherboard, as long as I am sure the colour coding doesnt change its ok.

 

Cheers

 

Far

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I'm integrating a 3G (usb) modem inside the expansion slot of a laptop so the modem doesnt flap about outside.

 

I would prefer to solder to the connectors on the USB from the outside and avoid the motherboard, as long as I am sure the colour coding doesnt change its ok.

 

Cheers

 

Far

 

You may have issues putting inside the laptop case, a lot of them have metal shielding which provides a sort of farady cage. You might find with the model inside the laptop you don't get great signal. Why not bond the modem to the back of the screen, and then run some thin wires inside rather?

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You may have issues putting inside the laptop case, a lot of them have metal shielding which provides a sort of farady cage. You might find with the model inside the laptop you don't get great signal. Why not bond the modem to the back of the screen, and then run some thin wires inside rather?

 

 

I've opened up the laptop and it will fit, the modem is a huweai(sp?) and has an external aerial jack. I dont really want a blob stuck to the side of the laptop! lol:D

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Dammit!

 

Well there doesnt seem to be a cage in here but the plastic back cover I removed seems to have a layer of silver sheeting - should I remove this when I put the modem in?

 

If you are happy to use the external aerial jack then you should be okay, but just saying watch for shielding.

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