IF eraseall will destryed(phys) the nand flash ?
saturn at structure.biochem.nchu.edu.tw
Wed Dec 4 08:00:51 EST 2002
On Wed, 4 Dec 2002, Thomas Gleixner wrote:
> On Tuesday 03 December 2002 23:46, shadow wrote:
> > On Wed, 4 Dec 2002, Thomas Gleixner wrote:
> > > > Another problem is why the new SMC has some bad blocks and occurred
> > > > at the same page with using eraseall program erase it.
> > >
> > > NAND FLASH can have factory marked bad blocks at shipping time. See
> > > datasheet. Bad block is bad block and does not go away by erasing it. In
> > > fact you _MUST NOT_ erase it, as bad block information is lost and
> > I don't understand what is shipping time, your meaming is it was
> > destroyed at the shipping time between the factory to retailer ?
> Nope, the blocks were bad, when the chip was produced or do you believe that
> the postman is a heavy source of gamma rays ? :)
Thank your response,
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