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DPChallenge Forums >> Hardware and Software >> Memory card capacity
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05/10/2009 12:44:41 PM · #1
I recently bought an 8gb CF card. When I connect the camera to the PC, Vista shows a capacity of just 5.99gb (6,442,450,943 bytes). Even if they count 8gb as 8,000,000,000 bytes, that translates to 7.45gb the way Vista counts. I know the file system will use some space, but 1.45gb? The file system is new to me, DCF.

A friend of mine has a Lexar 8gb card, and that shows 7.45gb, with fat32. Does any of you have 8gb cards with DCF on it? What size does it show?
05/10/2009 12:56:19 PM · #2
well now im curios. im gonna check mine now
05/10/2009 12:58:23 PM · #3
my 8 gig says i have 7.42 free
05/10/2009 01:03:22 PM · #4
Normally, CF cards are formatted FAT32. If you re-format the card in-camera, does it retain the DCF format, or flip over to FAT32, and if it converts to FAT32, how much is then reported?
05/10/2009 01:20:57 PM · #5
It's DCF after formatting in camera, even when formatted from Vista (while still in the camera). I've just moved so my card reader is in a box somewhere... I'll try to reformat as fat32 once the card reader is found.
05/11/2009 04:22:07 AM · #6
When using a card reader the card shows as being formatted with FAT32 and a 7.68GB capacity. So nothing wrong with the card!
05/11/2009 07:44:27 AM · #7
Originally posted by hanserik:

When using a card reader the card shows as being formatted with FAT32 and a 7.68GB capacity. So nothing wrong with the card!


So what's happening, apparently, is that the camera interface is affecting the result. Not surprising, actually. I wouldn't stress too much about that, you have the capacity you expected to have.
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