Low-level access to USB pendrive

David Woodhouse dwmw2 at infradead.org
Mon May 17 18:25:01 EDT 2004

On Mon, 2004-05-17 at 17:37 +0200, Cristiano Paris wrote:
> Hi everyone,
> I know that the external interface to usb flash pendrives is implemented
> as a block device. I also know that this is a logical organization of the
> underlying flash memory. The question is: is it possible to access the
> flash memory directly bypassing this "logical-to-physical" mapping layer?

Generally no. A USB pendrive is a SCSI-over-USB disk. If there's a way
to bypass its internal 'translation layer' and access the flash
directly, it's very manufacturer-specific and not documented.


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