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BigRat

64 posts

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#116302 24-Apr-2013 15:02
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Hi all, been a while since I last visited here.

On topic; While I was plugging in the connector for the 2-port USB3 front panel that came with my motherboard (Gigabyte GA-X79S-UP5) to the USB3 internal header, one of the pins - the D1- pin, according to the manual - was bent. So my thought was that it won't be a fuss to bend it back; get a needle, whilst the whole power for the PC is off of course, and try to bend the pin back, but later, it just fell off. I was a bit disturbed by this but didn't think of it as a major issue.

And also, after I got the snapped pin I noticed the way it was bent. Apparently when I was rebuilding my PC (after the last motherboard set one of its core chokes off in sparks and decided to do an upgrade to this) that pin was bent out leaving the front panel connectors working but without one pin out of 20 in total. All of that time prior to the discovery, there weren't any issue when I used the front panel connector. It worked like the other 4 USB3 ports at the back.

So the question is; will it be safe to reuse the header; given that it worked last time, try to repair it (maybe not that possible basically) or just leave it out and/or replace the board? BTW I still got the receipt for this board; purchased it back in January at PB Tech Penrose.

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ubergeeknz
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  #804994 24-Apr-2013 15:06
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I imagine it won't matter, but it depends what the pin does to some degree.  Most likely just one port won't work, or may just not work for USB 3.0.

 
 
 

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BigRat

64 posts

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  #804996 24-Apr-2013 15:08
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I found out that D1- has to do something with power delivery. But there weren't noticeable side effects to the transfer speed or the reliability of the 2 ports. Couldn't get any more info about it though.

ubergeeknz
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  #805019 24-Apr-2013 15:25
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Are you sure it's D1- because if it is, then port 1 won't be able to do any data, at least USB 2.0 won't work...



BigRat

64 posts

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  #805029 24-Apr-2013 15:40
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Here's a picture of the board for reference:



Bottom row of the header's pins, 3rd one to the right. Note where there's a missing pin. Right-click and view in full image to get the better view.

wellygary
7566 posts

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  #805040 24-Apr-2013 16:05
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Here are the pin outs / cable specs for an internal MB-USB3 connection, 

http://www.intel.co.nz/content/dam/doc/technical-specification/usb3-internal-connector-cable-specification.pdf

BigRat

64 posts

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  #805050 24-Apr-2013 16:20
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wellygary: Here are the pin outs / cable specs for an internal MB-USB3 connection, 

http://www.intel.co.nz/content/dam/doc/technical-specification/usb3-internal-connector-cable-specification.pdf


Read through that PDF. Says something about crosstalk but really don't get the idea of the effects that'll have on the devices.

But in essence, would it mean that if USB2 isn't operating the way it should technically then USB3 will have the same effect too?

ubergeeknz
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  #805052 24-Apr-2013 16:22
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Yep so that's D1- alright, so I am not sure how both the ports on the front are working...



BigRat

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  #805057 24-Apr-2013 16:36
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ubergeeknz: Yep so that's D1- alright, so I am not sure how both the ports on the front are working...


But I doubt if I were to test it now, it won't cause a short or anything, is it? Could just be non-optimal performance.

ubergeeknz
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  #805064 24-Apr-2013 16:47
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Shouldn't do.  USB is pretty robust that way.

BigRat

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  #805068 24-Apr-2013 17:00
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Although someone mentioned to me to try solder the broken pin back to the header. Pretty much that's really overkilling.

ubergeeknz
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  #805070 24-Apr-2013 17:08
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Those multi-layer boards are pretty much impossible to solder, at least with the kind of gear us mere mortals have at home, so forget that :)

Athlonite
1828 posts

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  #805080 24-Apr-2013 18:05
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BigRat:
wellygary: Here are the pin outs / cable specs for an internal MB-USB3 connection, 

http://www.intel.co.nz/content/dam/doc/technical-specification/usb3-internal-connector-cable-specification.pdf


Read through that PDF. Says something about crosstalk but really don't get the idea of the effects that'll have on the devices.

But in essence, would it mean that if USB2 isn't operating the way it should technically then USB3 will have the same effect too?


If it's to do with cross talk then it's most likely a ground wire the port should still work fine for USB 2.0 but you may see a drop off in throughput for the faster USB 3.0

and re-soldering the pin is a doddle you just need a decent solder station

BigRat

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  #805131 24-Apr-2013 20:40
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Maybe an RMA could do but doing so just because one pin fell off sounds a bit fuzzy.

Athlonite
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  #805477 25-Apr-2013 15:38
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If it's still under warranty then get it RMA'd just say you didn't realise the pin was broken until moving the mobo into a new case

BigRat

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  #805591 25-Apr-2013 20:03
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Oh well, it's RMA for me. I'll try to do tomorrow.

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