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Subject: Re: SDXC (was Re: Ladies and gentlemen, we have sound on HiFiMan HM-601.)

Re: SDXC (was Re: Ladies and gentlemen, we have sound on HiFiMan HM-601.)

From: Torne Wuff <torne+rockboxdev_at_wolfpuppy.org.uk>
Date: Fri, 21 Oct 2011 10:34:48 +0100

On 21 October 2011 09:48, Daniel Stenberg <daniel_at_haxx.se> wrote:
> On Fri, 21 Oct 2011, Andrew Ryabinin wrote:
>> AFAIK sdxc 64gb card works fine on this player. I think 128gb must work
>> too.
>
> As the SDXC standard mandates the 'exfat' file system, that will introduce
> some interesting challenges to Rockbox...
>
> Is there anything that prevents a Rockbox player to keep using regular VFAT?

You can repartition and reformat it as FAT32 and everything will work
just fine. You do have to change the partition type currently, though,
since exFAT uses type 7. I submitted a patch which removes partition
type dependencies from Rockbox but it got reverted by someone because
it broke mounting superfloppy-formatted SD cards for some people. We
should tighten up our MBR/FAT superblock sanity checking such that we
don't screw up in this situation (since nothing stops this from
happening *now*, it's just less likely that the superfloppy's "MBR"
happens to have a FAT type in the right "field") and then we can stop
checking partition types again.

-- 
Torne Wuff
torne_at_wolfpuppy.org.uk
Received on 2011-10-21

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