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#1 Old 06-20-2011, 01:06 PM
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520Jeff
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I have two questions about the USB port on the Santa Fe'

The manual is quite specific that no USB device that does not have a metal jacket around the connector should be used. Page 4-113 of the Owners Manual. I have a number of thumb drives (Verbatim Store-n-Go) that are so small and light they would be unable to damage anything. Any idea on what Hyundai's concerns might be?

[attachment=27305:usb.jpg]

Hyundai also suggests removing the USB device before starting the engine, and I have never bothered to do this. So far, so good, but one day I guess my device could get zapped. Has anyone had any problems with damage to their device?
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#2 Old 06-20-2011, 01:17 PM
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sarjr78
I would imagine that their concern would be a short to their electronics due to metal on metal contact. As far as shutting your car off, it's no different than putting the USB device into a computer...it's the safest way to remove it to lessen the chance at data loss.
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#3 Old 06-20-2011, 01:35 PM
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There is concern that the use of one of these units with a bunch of keys or whatever hanging from it, with that added weight, will deform the vehicle side socket or break the socket from the board to which it is attached. USB A connectors are pretty robust, but the sockets aren't indestructible, and with everything being SMT these days, a lot more sockets are being peeled off of boards.

This problem can be exacerbated by weight on one of the units that "slides out" with a thumb slide. In the event that it's still half retracted when you insert it (you wouldn't get a connection, but it could still be inserted 1/2 way), the lever created creates even more force on socket.

As for metal - I have yet to see a thumb drive that didn't have a metal shell around the connection. It's part of the USB standard. I don't see any specific mention of that in the bit of art you clipped for us.
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#4 Old 06-20-2011, 03:59 PM
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maltz
There are USB drives that omit the grounding shield. Here's a pic.

http://www.geekalerts.com/worlds-sma...b-flash-drive/

I don't really care for them, because I think they're almost TOO small, too easily lost, and they can be inserted upside down. I doubt it damages anything, but it obviously doesn't function that way.

I think the manual's concern is the weight of a keychain, cell phone, etc hanging off the USB device, physically damaging the port. I think you're fine using one of the tiny drives, as long as nothing is hanging off it.

FWIW, I really like Lexar's Firefly drives. They have decent performance, and it's the LID that attaches to your keychain, not the drive itself. The lid holds the drive very securely, and you don't have your whole keychain hanging from your USB port.
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#5 Old 06-20-2011, 05:46 PM
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QUOTE (maltz @ Jun 20 2011, 01:59 PM)
Quote:
There are USB drives that omit the grounding shield. Here's a pic.

http://www.geekalerts.com/worlds-sma...b-flash-drive/
The housing is there (or partly there, in this case) to avoid any stress on the connector and contacts, including during off-angle insertions where it's the hand, not the weight, that causes the problem. Of the various Pico units sold by SuperTalent, this one (the Pico-C), while not a "USB 'A' Form Factor compliant device", almost solves that since the contact area is constrained on 3 sides by metal, forming a fairly rigid box, helping a LOT to avoid off-angle insertion.

What's totally non-compliant and strange are a couple of their other models. Check out the Pico-A, Pico-B and Pico-D (I can't tell about the E). Man, do those look fragile. The full lineup can be seen at http://www.supertalent.com/products/stt_us....php?type=Pico#

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