JP Vossen on 26 Jul 2016 18:30:02 -0700


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Re: [PLUG] Flash drive "No medium found"


To finally close this one out https://www.amazon.com/ZLXUSA-Shape-Flash-Drive-Golden/dp/B00O9MXEK8 ($6) was easy to disassemble and a PERFECT fit (so about 11 x 23 x 1.5mm). The only minor issue is that it lacks the original status LED, but on the plus size it's 16G instead of the original 4G.


On 04/27/2016 02:34 PM, JP Vossen wrote:
Thanks for the thoughts.

I did glance at eBay but I haven't really trusted anything on there in
years.

I doubt it's cracked solder, the chip is tiny and very integrated.  If I
can get it out I'll certainly look and try the heat/solder gun ideas if
appropriate.

I'd love to swap in better guts, the key (ha ha) is that the chip is
small and flat, like I said at bottom, 11 x 23 x 1.5mm so any clues
where to find a chip like that appreciated.  Best pics I could find at
bottom.


On 04/27/2016 01:04 PM, Rich Mingin (PLUG) wrote:
With a drop being involved, and the data not being important, you might
be able to reflow the connections with a heat gun and get it working
again, but IMO USB flash entered the "disposable, replace instead of
fix" realm a few years ago.

On Wed, Apr 27, 2016 at 1:02 PM, John Kreno <john.kreno@gmail.com
<mailto:john.kreno@gmail.com>> wrote:

    Along the same thought as Rich, if you get the thing open, mayhaps
    it is just a loose component if you have steady hands, a sharp iron
    tip and some fine solder you might be right back in business.

    On Wed, Apr 27, 2016 at 12:57 PM, Rich Mingin (PLUG) <plug@frags.us
    <mailto:plug@frags.us>> wrote:

        As someone who has done what I suggest, if you go as far as
        prying open the plastic, I'd swap out for different/better guts.
        One of my old favorite USB keys is built into a decent pen, and
        it's been 64MB, 256MB, 1GB, 4GB, and now 16GB over the years.
        Just need to find a replacement with same size or smaller PCB.

        On Wed, Apr 27, 2016 at 10:47 AM, K.S. Bhaskar
        <bhaskar@bhaskars.com <mailto:bhaskar@bhaskars.com>> wrote:

            ​Did you check eBay for a replacement?

            Regards
            -- Bhaskar​

            On Tue, Apr 26, 2016 at 5:59 PM, JP Vossen <jp@jpsdomain.org
            <mailto:jp@jpsdomain.org>> wrote:

                On 04/24/2016 09:12 AM, Mike DePaulo wrote:

                    On Sat, Apr 23, 2016 at 5:58 PM, JP Vossen
                    <jp@jpsdomain.org <mailto:jp@jpsdomain.org>> wrote:

                        My son has a really cool Victorinox Swiss Army
                        4GB USB 2.0 Flash Drive [1],
                        but someone knocked a computer over at school
                        when he was using it and now
                        it doesn't work.


                <snip>

                    My theory is that the flash memory is damaged, but
                    the flash memory
                    controller is not.

                    -Mike


                Thanks Mike, that was a good idea for testing.  Unless
                someone else comes up with something brilliant, it looks
                like it's toast.  And I can't find a replacement
anywhere.

                The chip itself looks to be 11 x 23 x 1.5mm when I
                measure it and the best images I've found are

http://www.amazon.com/Victorinox-Swiss-Army-Flash-Drive/dp/B00A3ISWPO/
                and

http://www.selfridges.com/GB/en/cat/victorinox-alox-slim-16gb-usb-flash-drive_413-3001677-4617128G16/.

                If I got something like that I might be able to prey
                open the plastic part and just swap the chips.  Ideas
there?

Later,
JP
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