Kingmax announces microSDHC 4G card
grahame at falvey.net
Mon Jan 15 23:39:24 CET 2007
On 15/01/07, Paul Bohme <openmoko at bohme.org> wrote:
> kkr wrote:
> >> http://www.mobile-review.com/news.php?language=en#news12096
> >> Any chance to use those with the Neo?
> >> _______________________________________________
> >> OpenMoko community mailing list
> >> community at lists.openmoko.org
> >> http://lists.openmoko.org/mailman/listinfo/community
> > As mentioned on http://www.linuxtogo.org/gowiki/OpenMoko/Hardware , the
> > CPU (Samsung s3c2410) can manage 1 GB of memory.
> > Even if I don't know how Linux manage SDcard (or SDHC), I think that the
> > limitation is bound to the CPU.
> > Therefore, I don't think that it's possible
> > Could anybody confirm it?
> How big is the hard drive in your PC? I'd wager a lot larger than the
> RAM can be. ;-)
> The SD is going to be handled through interfaces that enable much larger
> range than the physical memory limitations of the CPU.
> I run a 2GB SD in my Zaurus (C760) and GP2X - both ARM-based devices -
> without issue.
>From the Wiki: http://en.wikipedia.org/wiki/Secure_Digital_card#SD_and_SDHC_-_compatibility
"SD and SDHC - compatibility
A new SD format, SDHC (Secure Digital High Capacity), allows
capacities in excess of 2GB (4GB to 32GB). SDHC uses the same form
factor as SD, but the SD 2.0 standard in SDHC uses a different memory
addressing method (sector addressing vs byte addressing)."
So it appears that it's all up the the controller chip in the reader?
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