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Date: Fri, 6 Nov 2009 00:00:17 EST-10EDT,10,1,0,7200,4,1,0,7200,3600
Subject: [os2genau_digest] No. 1882
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**************************************************
Thursday 05 November 2009
 Number  1882
**************************************************

Subjects for today
 
1  Re:  Steps to prepare a USB key for FAT32 usage with eCS and WXP : Dennis Nolan <dennis at jeg-og dot com>

**= Email   1 ==========================**

Date:  Thu, 05 Nov 2009 07:37:23 +1100
From:  Dennis Nolan <dennis at jeg-og dot com>
Subject:  Re:  Steps to prepare a USB key for FAT32 usage with eCS and WXP

Hi Mike and Ed

Problem: 
Writing image data to a memory card is one of the performance parameters 
that reviewers highlight.
How to write image data faster.
Use low level direct access rather than a file system write-file approach.
Inconsistencies in the way the same file format is implemented from 
different OS's and versions.

Solution.
Use your own propriety format which is within the specifications of the 
file format.
Your camera can burst read and write directly to memory locations on the 
card
The card can be read by OS's using their file reading capability.

Also
When camera firmware is upgraded something is stored on the memory card. 
Well it is for my Konica Minolts 7D.
Formatting the card in a computer would destroy this info.

Dennis.

Mike O'Connor wrote:
> Ed Durrant wrote:
>> Mike O'Connor wrote:
>>> Hi Ed,
>>>
>>> No - not that - it's just the specific FAT32-formatted primary 
>>> partition location and geometry setup that Panasonic Lumix Cameras 
>>> *require*, which is very non-standard!
>>>
>>> Regards,
>>> Mike
>>>
>> Ok, so we're talking about a specific camera make/model problem - 
>> They're not uncommon. The Fuji Finepix camera that I have - if the 
>> card is updated in any way (format, delete files) directly from an OS 
>> (yes including Windoze),  rather than though its proprietry software 
>> it has problems. Nasty problems - after taking a few more pictures 
>> (can be any number), the camera will lock with the lens stuck out and 
>> wont retract and the only way to clear the problem is to remove the 
>> batteries and oh, yes all the pictures that you thought were on the 
>> card no longer accessible by anything! Appartently the camera 
>> manufacturers have "adapted" the FAT32 file system....
>>
>>
> Hi Ed,
>
> Unfortunately too many of them have differing "standards" for it!
> No consensus between manufacturers!
>
>
> Regards,
> Mike
>
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