Because SD is DRM and since the method to double pump a split read/write10
across the bus is not very simple nor public, there is legal problem.
I suspect I just got myself one for even mentioning the stuff above.
On Fri, 6 Sep 2002, Eli wrote:
> All,
>
> Problem Summary:
> I have a SanDisk ImageMate USB compactFlash + SecureDigital + MultiMediaCard
> reader, and I am getting IO errors trying to read a 128MB SimpleTech CF card
> with 2.4 kernels.
>
> Details:
>
> I have an 8MB Canon CF card and a 128MB SimpleTech CF card.
>
> With the USB reader, I see:
> OS or Device | 8MB | 128MB |
> ------------------+-----+-------+
> MacOS 9 | OK | OK |
> RH 2.4.17-0.16smp | OK | ERR |
> RH 2.4.18-3 | OK | ERR |
>
> ERR means that I get IO errors when I try to 'cp -a' the contents of the CF
> card to local disk.
> "pc: reading '/mnt/flash1.....': Input/output error" is repeated for many of
> the files on the card, but not all of them. Most of them seem to be later
> files.
>
> Also, with a PCMCIA adapter in the RH 2.4.18-3, both CF cards work.
> Both cards also work in a HandEra 300 PDA and a Canon PowerShot A40 digital
> camera.
>
> Any suggestions of how I could track down the problem? (I've submitted a bug
> report to SanDisk as well, but this looks like a Linux problem to me.)
>
> (Please CC me as I am not subscribed here at home.)
>
> Eli Carter
> retracile(a)earthlink.net
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>
Andre Hedrick
LAD Storage Consulting Group
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