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[OM] Re: Ornery mood

Subject: [OM] Re: Ornery mood
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxx>
Date: Thu, 16 Nov 2006 15:30:21 -0500
Interesting.  Is it possible then that some sectors could be locked but 
still appear as free space which the camera then interprets as a locked 
drive becuase it can't write to what it thinks is unallocated space?

Any, if that's the case it's still a bug.

Chuck Norcutt

Mark Dapoz wrote:

> On Thu, 16 Nov 2006, Garth wrote:
> 
>>It's not the microdrive per se, but the difference in the way the media
>>can (or can not) be set to read-only *globally*.  As far as I'm aware,
>>that's perfectly possible for a hard drive.  Unlike a CF card.
> 
> 
> Flash chips usually allow for at least some of the sectors to be marked as
> locked (read-only).  How many sectors and how this is accomplished is chip
> dependent and requires following the programming interface for the chip. 
> I have no idea if CF cards take advantage of this but it would be possible 
> for the CF microcontroller to lock the flash chips so that they can't be
> written to.
>                                               -mark
> 
> 
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