microSD support

[Mo Abrahams]

Although the point is moot if there aren't any manufacturers exploiting
that.


On Fri, 2008-05-09 at 16:44 -0400, Kevin Dean wrote:
> It's also worth noting that the 32GB limit is also artificial. 2048GB
> is the technical limit for SDHC, if I recall correctly.
> 
> On Fri, May 9, 2008 at 4:23 PM, Stefan Misch <misel at misel.de> wrote:
> >
> >
> > Crane, Matthew wrote:
> >>
> >> The SD card association has limtied the size of sdhc to 32gb, the max
> >> size of a fat32 system.
> >
> > I just want to give a short note that this is not true. Fat32 supports
> > partition size of up to 2TiB. Microsoft artificially limited Windows 2000
> > and following to be able to create Fat32 partitions of max 32GiB. Using
> > other tools to create them (such as "mkfs.vfat") it's still possible to
> > create those partitions. And Windows reads and writes to them.
> >
> > Of course now that there's a reasonable stable NTFS access from Linux it
> > doesn't matter that much anymore but a few years back this was quite a pain
> > in the ass.
> >
> > just my 0.02€
> > Stefan
> >
> >
> >>  No doubt there's a lot of crappy SD cards out there that don't comply
> >> well to standard interfaces though, but unless you're really really
> >> skimping there's likely nothing to worry about with any common microsd
> >> cards.
> >>  You could even support larger cards because we aren't limited to fat32
> >> on a linux phone.
> >>  But has anybody found an SD card that doesn't work with existing
> >> hardware??   I only wish I had hardware so I can't test the few cards I
> >> have..  Matt
> >>
> >>  ________________________________
> >>
> >> From: community-bounces at lists.openmoko.org
> >> [mailto:community-bounces at lists.openmoko.org] On Behalf Of Travis Tabbal
> >> Sent: Friday, May 09, 2008 9:52 AM
> >> To: List for Openmoko community discussion
> >> Subject: Re: microSD support
> >>
> >>
> >> I think he's asking if the phone will support SDHC, which is required
> >> for larger cards and many older devices do not support. Or perhaps if
> >> 8GB in particular has been tested. It would be nice to know exactly what
> >> is supported, as those 8GB cards are getting cheap lately. We might have
> >> to wait for the first phones to ship to know for sure what will or will
> >> not work. Right now, only the OM dev team at FIC could test it for sure,
> >> and they are kind of busy getting mass production going. I think I'd
> >> rather have them do that and test the microSD size limits later.
> >>
> >>
> >> On Fri, May 9, 2008 at 6:16 AM, Crane, Matthew <mcrane03 at harris.com>
> >> wrote:
> >>
> >>
> >>
> >>        >From wikipedia entry on current sd cards:
> >>
> >>        Memory capacity = (C_SIZE+1) * 512 K = (222-1+1) * 512 K =
> >> (4194304-1+1)
> >>        * 512K = 2147483648 K = 2048 GB
> >>
> >>        So you're probally good.
> >>
> >>
> >>
> >>        -----Original Message-----
> >>        From: community-bounces at lists.openmoko.org
> >>        [mailto:community-bounces at lists.openmoko.org] On Behalf Of
> >> Giorgio M.
> >>        Sent: Friday, May 09, 2008 6:53 AM
> >>        To: List for Openmoko community discussion
> >>        Subject: microSD support
> >>
> >>
> >>        I know that freerunner will support MicroSD memory.
> >>
> >>        I want know wich capacity it will support?can i use 8GB
> >> microSD??
> >>
> >>        what is the limit?
> >>
> >>        thanks
> >>
> >>
> >>        _______________________________________________
> >>        Openmoko community mailing list
> >>        community at lists.openmoko.org
> >>        http://lists.openmoko.org/mailman/listinfo/community
> >>
> >>        _______________________________________________
> >>        Openmoko community mailing list
> >>        community at lists.openmoko.org
> >>        http://lists.openmoko.org/mailman/listinfo/community
> >>
> >>
> >>
> >>
> >>
> >>
> >> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
> >> Openmoko community mailing list
> >> community at lists.openmoko.org
> >> http://lists.openmoko.org/mailman/listinfo/community
> >
> >
> > _______________________________________________
> > Openmoko community mailing list
> > community at lists.openmoko.org
> > http://lists.openmoko.org/mailman/listinfo/community
> >
> _______________________________________________
> Openmoko community mailing list
> community at lists.openmoko.org
> http://lists.openmoko.org/mailman/listinfo/community