Any Tool to Write-Protect microSD? (or SD)

Hello,

Inside the microSD flash memory, and SD flash memory, there is a bit, that
once programmed, the data inside the chip becomes write-protected, and
permanent. I searched for a tool that can program this bit, but I did not
find any. Do you know of such a tool? Or driver? Or Software? Any
thought on this will help me. Thank you very much.

Best Regards,
T.I.

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Under XP, I am able to set files to read-only on hard-disk drives, but files
on flash memory have no check box for read-only. If you know something that
I do not know about this, please tell me. Thank you.

> You can set the file properties to read only but that's all I know
> sorry.
> I guess it would also depend on how the SD was used by the apps. Could
> need some dynamic files updating on the SD by the app which might cause it
> to fail.
>
>

The card is FAT. Can SD and microSD be formatted differently? I did not
format the card, I got it and plugged it into a card reader that attaches to
the PC through USB. This card reader is from Patriot. But I am thinking
now even if I can set the attributes, would that keep the host device, like
MP3 player and cell phone, from erasing the data? I do not know if they
look at these attribute bits. And I do not know if these devices can read
from other than FAT. Please let me know. Thanks.



> Just tested it on my PC with a SDCard, pretty much the same as an MiniSD
> in an adapter, not sure why you're not getting the Atrributes under
> properties but you should see Read-Only Hidden & Archive. Might be the
> format of the card, do you know if its FAT ? What are you using the card
> in ?
> "Talal Itani" <[email protected]> wrote in message
> news:rJFyh.4667$6P4.2224@trnddc06...
>>
>> Under XP, I am able to set files to read-only on hard-disk drives, but
>> files on flash memory have no check box for read-only. If you know
>> something that I do not know about this, please tell me. Thank you.
>>
>>> You can set the file properties to read only but that's all I know
>>> sorry.
>>> I guess it would also depend on how the SD was used by the apps. Could
>>> need some dynamic files updating on the SD by the app which might cause
>>> it to fail.
>>>
>>>
>>
>>
>
>