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Re: Formatting a 2Gb MicroSD card

From: Sebastian Tennant
Subject: Re: Formatting a 2Gb MicroSD card
Date: Sun, 27 Jul 2008 00:26:59 +0300
User-agent: Gnus/5.110011 (No Gnus v0.11) Emacs/22.2 (gnu/linux)

Quoth Jim Meyering <address@hidden>:
> Sebastian Tennant <address@hidden> wrote:
>> I decided to format it with the one true disk partitioner and have done
>> so successfully but the capacity of the card now appears to be
>> approximately half what it was before.
> What command(s) did you use?

The usual... 'mklabel msdos', 'print', 'mkpartfs pri fat16 0 1016'.  I
tried 2032 but having created the new label (partition table) 1016 was
the maximum value parted would allow me to use.

> What version of parted?


> So there's a printed label that says it's a 2GB card?


> Does cfdisk /dev/sdc show anything different?


Thinking back I think the card must have already been formatted when I
bought it from the shop (for use with my phone).  Either way, my phone
formats it as a 1Gb card too now.

Apart from losing data, I now remember noticing some weirdness before
invoking 'parted mklabel msdos' on the card.  I would receive different
capacity information depending on whether I issued the command
'parted print /dev/sdc' or 'parted print /dev/sdc1', and IIRC only the
latter command indicated that there was 2Gb of capacity.


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