microSD support

[Kevin Dean]

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
>>
>>
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