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Memory Card Size issue

Balaji Sridharan
Note: This was originally posted on 11th February 2011 at http://forums.arm.com

HI,

I am using 4GB MicroSD HC card to for booting.

I am flashing the image using the "Win32DiskImager.exe" utility.

After flashing the card, the size of the card is reduced to 128MB.

Can anyone let me know the reason and way to overcome it?
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  • Arm Employee Badge
    Note: This was originally posted on 11th February 2011 at http://forums.arm.com

    I've seen exactly that problem when using the builtin SD card slot on my laptop (Lenovo T61p).  When I use the same SD card in a USB SD card writer with the same app on the same laptop I can access the whole SD card.  I suspect it's a problem with the driver for the builtin SD card slot reporting the first partition size instead of the whole device size.

    If there's a way to "unpartition" the card that might be worth trying, but I don't know how to do that (well, 'dd' might do it, but I haven't tried and don't blame me if you destroy your data.
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  • Arm Employee Badge
    Note: This was originally posted on 11th February 2011 at http://forums.arm.com

    I've seen exactly that problem when using the builtin SD card slot on my laptop (Lenovo T61p).  When I use the same SD card in a USB SD card writer with the same app on the same laptop I can access the whole SD card.  I suspect it's a problem with the driver for the builtin SD card slot reporting the first partition size instead of the whole device size.

    If there's a way to "unpartition" the card that might be worth trying, but I don't know how to do that (well, 'dd' might do it, but I haven't tried and don't blame me if you destroy your data.
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