Thank you for your reply.
=20
> You cannot do this directly in Linux for a few reasons.=20
Do you mean I can NOT write data to a flash or to SDRAM?

>Others have
> already mentioned the SDRAM / physical / virtual addressing.
But if a system can write , there IS a way how to achive my goal too, I thi=
nk

> If the flash devices are NAND, you cannot do it directly either
Depends  on what you mean directly.
I have a program that CAN  write data to a flash via JTAG


--=20
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