Re: SDXC card compatibility with Debian Lenny and beyond
On 2010-11-28 20:51 +0100, Ken Heard wrote:
> I expect to buy next Tuesday a Canon 60D body which can use SD, SDHC and
> SDXC recording media. SDXC cards are considerably more expensive than
> the other two, in part I suppose because they use the Microsoft exFAT
> file system; so royalties must be paid.
The license fees for the manufacturers are probably not that high. The
main reason that SDXC cards are expensive is that they have a higher
capacity than SDHC cards. And they are not as common as SDHC cards yet.
> Besides the cost, I am concerned whether SDXC cards can be read by Lenny
> and successors on my PC and Lenovo laptop. Apparently a special driver
> is needed to do so.
You can also reformat the card with an FAT32 filesystem, assuming that
the camera can deal with that. I see no reason why it wouldn't, but you
never know what crap manufacturers put into their firmware.
The 32 GB limit for SDHC cards is completely arbitrary, it only exists
because Windows refuses to create bigger FAT32 filesystems.
> In view of the foregoing I wonder whether I am better using the SDHC
> cards instead, because their unit cost ($ per mB) are lower than the
> SDXC unit cost, and because they do not use a proprietary file system
> still with patent protection.
If the cost per mB is lower, then I would stick to SDHC cards for now.
> Has anyone had any experience with SDHC and SDXC cards in digital
> cameras to share?
Not me.
Sven
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