microSD card detected with wrong size/capacity

[Matthew Carpenter]

Weird!  MicroSD does have a protocol, and perhaps it provides multiple LUNs. (I don't recall, I 
know the USB Mass Storage does).  Google helpful?

On Tuesday, July 07, 2015 01:34:01 PM Lonni J Friedman wrote:
> its not a thumb drive.  Its literally just a microSD.  the only thing
> that the OS (rightfully) detects when inserted is the microSD with the
> incorrect size/capacity.
> 
> On Tue, Jul 7, 2015 at 1:28 PM, Matthew Carpenter <matt at eisgr.com> wrote:
> > Is there another device that shows up as a music device? Likely this
> > thumbdrive has two different endpoints that provide difference USB
> > devices,
> > and the protocol to access your iPhone's music through iTunes is
> > different.
> > 
> > 
> > 
> > On Tuesday, July 07, 2015 11:44:42 AM Lonni J Friedman via Linux-users
> > 
> > wrote:
> >> Yes, its not a partitioning issue. The size of the device is
> >> mis-reported.
> >> 
> >> 
> >> 
> >> On Tue, Jul 7, 2015 at 11:43 AM, The Small Box Admin via Linux-users
> >> 
> >> <linux-users at linux-sxs.org> wrote:
> >> > Did you look at it with gparted? Maybe some weird partitioning scheme
> >> > on
> >> > 
> >> > it.
> >> > 
> >> > 
> >> > 
> >> > On Sun, Jul 5, 2015 at 3:44 PM, Lonni J Friedman via Linux-users
> >> > 
> >> > <linux-users at linux-sxs.org> wrote:
> >> >> I've got a weird one here. A microSD card which came with a junky old
> >> >> 
> >> >> Android phone claims to be 4GB on its label, however there's some
> >> >> 
> >> >> weird marketing nonsense about how "3GB reserved for music". When I
> >> >> 
> >> >> plug the card into a reader attached to a linux box, its always
> >> >> 
> >> >> detected as a 1GB card:
> >> >> 
> >> >> [3181684.541224] scsi 10:0:0:0: Direct-Access Generic STORAGE
> >> >> 
> >> >> DEVICE 0207 PQ: 0 ANSI: 0
> >> >> 
> >> >> [3181684.541593] sd 10:0:0:0: Attached scsi generic sg7 type 0
> >> >> 
> >> >> [3181685.004787] sd 10:0:0:0: [sdg] 1934848 512-byte logical blocks:
> >> >> 
> >> >> (990 MB/944 MiB)
> >> >> 
> >> >> 
> >> >> 
> >> >> 
> >> >> 
> >> >> I'm guessing that there's something weird going on with the card that
> >> >> 
> >> >> hides 3GB from the OS somehow. Has anyone run into this before? Any
> >> >> 
> >> >> tips on how to unhide the missing 3GB?
> >> >> 
> >> >> 
> >> >> 
> >> >> thanks
> >> >> 
> >> >> 
> >> >> 
> >> >> --
> >> >> 
> >> >> 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> >> >> 
> >> >> L. Friedman netllama at gmail.com
> >> >> 
> >> >> LlamaLand http://netllama.linux-sxs.org
> >> >> 
> >> >> _______________________________________________
> >> >> 
> >> >> Linux-users mailing list
> >> >> 
> >> >> Linux-users at linux-sxs.org
> >> >> 
> >> >> http://mailman.celestial.com/mailman/listinfo/linux-users
> >> > 
> >> > _______________________________________________
> >> > 
> >> > Linux-users mailing list
> >> > 
> >> > Linux-users at linux-sxs.org
> >> > 
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