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-   -   32GB micrSD coming soon (https://talk.maemo.org/showthread.php?t=40751)

Bratag 2010-01-15 18:42

32GB micrSD coming soon
 
http://www.boygeniusreport.com/2010/...february-2010/

Whahoo. 64GB storage on my n900 shortly :)

wmarone 2010-01-15 18:45

Re: 32GB micrSD coming soon
 
The question becomes what the Linux community will do regarding SDXC.

Technically, a kernel patch would allow the N900 to support them, but the issue then falls over to MS pushing the patent-riddled ExFat as the standard filesystem.

Bratag 2010-01-15 18:52

Re: 32GB micrSD coming soon
 
Quote:

Originally Posted by wmarone (Post 474652)
The question becomes what the Linux community will do regarding SDXC.

Technically, a kernel patch would allow the N900 to support them, but the issue then falls over to MS pushing the patent-riddled ExFat as the standard filesystem.

I would partition the card most likely 16/16 ext3 and vfat32

TA-t3 2010-01-16 21:57

Re: 32GB micrSD coming soon
 
Quote:

Originally Posted by wmarone (Post 474652)
The question becomes what the Linux community will do regarding SDXC.

Technically, a kernel patch would allow the N900 to support them,

Not really. As for the larger size, unless they changed the lines around (unlikely, as SDXC-readers should be able to read SDHC/SD) the kernel can handle up to 2TB already.
But we're not sure yet of the electrical interface. At least there's 100MHz involved, which a kernel patch can't solve. But it could be that the cards may work in slower mode with the lower frequency of our hardware.

Quote:

but the issue then falls over to MS pushing the patent-riddled ExFat as the standard filesystem.
Yes, but nothing stops us from using other filesystems.

AndrewG 2010-01-16 22:00

Re: 32GB micrSD coming soon
 
I've got to have one :D
Wonder what it'll cost me though :S

wmarone 2010-01-16 22:02

Re: 32GB micrSD coming soon
 
Quote:

Originally Posted by TA-t3 (Post 476961)
But we're not sure yet of the electrical interface. At least there's 100MHz involved, which a kernel patch can't solve. But it could be that the cards may work in slower mode with the lower frequency of our hardware.

Which is pretty much what I'd expect. All the capacity, but none of the speed (sadly.) You'd need an external reader to put stuff on it, but after that standard SDHC speeds, if not slightly higher, would be fine for the N900.

R-R 2010-02-10 03:52

Re: 32GB micrSD coming soon
 
from : http://en.wikipedia.org/wiki/SDXC#SDXC

SDHC devices will only support the SDXC cards which use UHS104 speeds;[31] SDHC devices will not recognize the SDXC cards which use the faster (SD 4.0), final-spec of SDXC.[43]

which may imply only 32GB sdxc card support... which is probably going to be a PITA if it was like those 4GB SD vs SDHC cards.


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